Add stuff.

4 files changed, 2229 insertions, 0 deletions

diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..a70c1a2
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,469 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# tests/Makefile.  Generated from Makefile.in by configure.
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+
+pkgdatadir = $(datadir)/dynstr
+pkgincludedir = $(includedir)/dynstr
+pkglibdir = $(libdir)/dynstr
+pkglibexecdir = $(libexecdir)/dynstr
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = x86_64-unknown-linux-gnu
+host_triplet = x86_64-unknown-linux-gnu
+check_PROGRAMS = unittests$(EXEEXT)
+subdir = tests
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am_unittests_OBJECTS = unittests.$(OBJEXT)
+unittests_OBJECTS = $(am_unittests_OBJECTS)
+unittests_DEPENDENCIES = ../lib/libdynstr.la
+DEFAULT_INCLUDES = -I. -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(unittests_SOURCES)
+DIST_SOURCES = $(unittests_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = ${SHELL} /home/liw/dynstr/dynstr/missing --run aclocal-1.11
+AMTAR = ${SHELL} /home/liw/dynstr/dynstr/missing --run tar
+AR = ar
+AUTOCONF = ${SHELL} /home/liw/dynstr/dynstr/missing --run autoconf
+AUTOHEADER = ${SHELL} /home/liw/dynstr/dynstr/missing --run autoheader
+AUTOMAKE = ${SHELL} /home/liw/dynstr/dynstr/missing --run automake-1.11
+AWK = gawk
+CC = gcc -std=gnu99
+CCDEPMODE = depmode=gcc3
+CFLAGS = -g -O2
+CPP = gcc -E
+CPPFLAGS = 
+CYGPATH_W = echo
+DEFS = -DHAVE_CONFIG_H
+DEPDIR = .deps
+DSYMUTIL = 
+DUMPBIN = 
+ECHO_C = 
+ECHO_N = -n
+ECHO_T = 
+EGREP = /bin/grep -E
+EXEEXT = 
+FGREP = /bin/grep -F
+GREP = /bin/grep
+INSTALL = /usr/bin/install -c
+INSTALL_DATA = ${INSTALL} -m 644
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_SCRIPT = ${INSTALL}
+INSTALL_STRIP_PROGRAM = $(install_sh) -c -s
+LD = /usr/bin/ld -m elf_x86_64
+LDFLAGS = 
+LIBOBJS = 
+LIBS = 
+LIBTOOL = $(SHELL) $(top_builddir)/libtool
+LIPO = 
+LN_S = ln -s
+LTLIBOBJS = 
+MAKEINFO = ${SHELL} /home/liw/dynstr/dynstr/missing --run makeinfo
+MKDIR_P = /bin/mkdir -p
+NM = /usr/bin/nm -B
+NMEDIT = 
+OBJDUMP = objdump
+OBJEXT = o
+OTOOL = 
+OTOOL64 = 
+PACKAGE = dynstr
+PACKAGE_BUGREPORT = liw@liw.fi
+PACKAGE_NAME = dynstr
+PACKAGE_STRING = dynstr 0.0
+PACKAGE_TARNAME = dynstr
+PACKAGE_URL = 
+PACKAGE_VERSION = 0.0
+PATH_SEPARATOR = :
+RANLIB = ranlib
+SED = /bin/sed
+SET_MAKE = 
+SHELL = /bin/bash
+STRIP = strip
+VERSION = 0.0
+abs_builddir = /home/liw/dynstr/dynstr/tests
+abs_srcdir = /home/liw/dynstr/dynstr/tests
+abs_top_builddir = /home/liw/dynstr/dynstr
+abs_top_srcdir = /home/liw/dynstr/dynstr
+ac_ct_CC = gcc
+ac_ct_DUMPBIN = 
+am__include = include
+am__leading_dot = .
+am__quote = 
+am__tar = ${AMTAR} chof - "$$tardir"
+am__untar = ${AMTAR} xf -
+bindir = ${exec_prefix}/bin
+build = x86_64-unknown-linux-gnu
+build_alias = 
+build_cpu = x86_64
+build_os = linux-gnu
+build_vendor = unknown
+builddir = .
+datadir = ${datarootdir}
+datarootdir = ${prefix}/share
+docdir = ${datarootdir}/doc/${PACKAGE_TARNAME}
+dvidir = ${docdir}
+exec_prefix = ${prefix}
+host = x86_64-unknown-linux-gnu
+host_alias = 
+host_cpu = x86_64
+host_os = linux-gnu
+host_vendor = unknown
+htmldir = ${docdir}
+includedir = ${prefix}/include
+infodir = ${datarootdir}/info
+install_sh = ${SHELL} /home/liw/dynstr/dynstr/install-sh
+libdir = ${exec_prefix}/lib
+libexecdir = ${exec_prefix}/libexec
+localedir = ${datarootdir}/locale
+localstatedir = ${prefix}/var
+lt_ECHO = echo
+mandir = ${datarootdir}/man
+mkdir_p = /bin/mkdir -p
+oldincludedir = /usr/include
+pdfdir = ${docdir}
+prefix = /home/liw/test
+program_transform_name = s,x,x,
+psdir = ${docdir}
+sbindir = ${exec_prefix}/sbin
+sharedstatedir = ${prefix}/com
+srcdir = .
+sysconfdir = ${prefix}/etc
+target_alias = 
+top_build_prefix = ../
+top_builddir = ..
+top_srcdir = ..
+AM_CPPFLAGS = -I $(srcdir)/../lib
+unittests_SOURCES = unittests.c 
+unittests_LDADD = ../lib/libdynstr.la
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tests/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tests/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-checkPROGRAMS:
+	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+unittests$(EXEEXT): $(unittests_OBJECTS) $(unittests_DEPENDENCIES) 
+	@rm -f unittests$(EXEEXT)
+	$(LINK) $(unittests_OBJECTS) $(unittests_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+include ./$(DEPDIR)/unittests.Po
+
+.c.o:
+	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+#	source='$<' object='$@' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(COMPILE) -c $<
+
+.c.obj:
+	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+#	source='$<' object='$@' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+#	source='$<' object='$@' libtool=yes \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libtool ctags \
+	distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..f7f4cd2
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,4 @@
+AM_CPPFLAGS = -I $(srcdir)/../lib
+check_PROGRAMS = unittests
+unittests_SOURCES = unittests.c 
+unittests_LDADD = ../lib/libdynstr.la
diff --git a/tests/Makefile.in b/tests/Makefile.in
new file mode 100644
index 0000000..850e5b9
--- /dev/null
+++ b/tests/Makefile.in
@@ -0,0 +1,469 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+check_PROGRAMS = unittests$(EXEEXT)
+subdir = tests
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am_unittests_OBJECTS = unittests.$(OBJEXT)
+unittests_OBJECTS = $(am_unittests_OBJECTS)
+unittests_DEPENDENCIES = ../lib/libdynstr.la
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(unittests_SOURCES)
+DIST_SOURCES = $(unittests_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
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+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
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+
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+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
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+distdir: $(DISTFILES)
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
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+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
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+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/unittests.c b/tests/unittests.c
new file mode 100644
index 0000000..0ba5b33
--- /dev/null
+++ b/tests/unittests.c
@@ -0,0 +1,1287 @@
+/*
+ * unittests.c - unit tests for dynamic byte strings
+ * Copyright 2010  Lars Wirzenius
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#define _GNU_SOURCE
+
+#include <setjmp.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "dynstr.h"
+
+
+#define FAIL(msg) \
+    do { \
+        printf("FAIL: %s\n", msg); \
+        return false; \
+    } while (0)
+
+
+#define FAIL_UNLESS(cond) \
+    do { \
+        if (!(cond)) { \
+            printf("FAIL: %s:%d: %s\n", \
+                __FUNCTION__, __LINE__, #cond); \
+            return false;\
+        } \
+    } while (0)
+
+
+#define FAIL_UNLESS_EQUAL(a,b) \
+    do { \
+        if ((a) != (b)) { \
+            printf("FAIL: %s:%d: not equal: '%s' and '%s'\n", \
+                __FUNCTION__, __LINE__, #a, #b); \
+            return false;\
+        } \
+    } while (0)
+
+
+#define MAX_STRINGS 128
+static Dynstr *strings[MAX_STRINGS];
+static int num_strings;
+
+static void add(Dynstr *dynstr)
+{
+    if (num_strings < MAX_STRINGS) {
+        strings[num_strings] = dynstr;
+        num_strings++;
+    }
+}
+
+static Dynstr *new_from_cstring(const char *cstring)
+{
+    Dynstr *dynstr;
+    
+    dynstr = dynstr_new_from_cstring(cstring);
+    add(dynstr);
+    return dynstr;
+}
+
+static Dynstr *substr(Dynstr *dynstr, size_t offset, size_t size)
+{
+    Dynstr *sub;
+    
+    sub = dynstr_substr(dynstr, offset, size);
+    add(sub);
+    return sub;
+}
+
+static void free_all_strings(void)
+{
+    while (num_strings > 0) {
+        num_strings--;
+        dynstr_free(strings[num_strings]);
+    }
+}
+
+
+static int test_default_error_handler_is_indicate(void)
+{
+    FAIL_UNLESS_EQUAL(dynstr_get_malloc_error_handler(),
+                      dynstr_malloc_error_indicate);
+    return true;
+}
+
+
+static int test_sets_error_handler(void)
+{
+    dynstr_set_malloc_error_handler(dynstr_malloc_error_abort);
+    FAIL_UNLESS_EQUAL(dynstr_get_malloc_error_handler(),
+                      dynstr_malloc_error_abort);
+    return true;
+}
+
+
+static int test_init_resets_error_handler(void)
+{
+    dynstr_set_malloc_error_handler(dynstr_malloc_error_abort);
+    dynstr_init();
+    FAIL_UNLESS_EQUAL(dynstr_get_malloc_error_handler(),
+                      dynstr_malloc_error_indicate);
+    return true;
+}
+
+
+static int test_indicate_handler_returns(void)
+{
+    dynstr_malloc_error_indicate(0, 0, NULL);
+    return true;
+}
+
+
+static jmp_buf env;
+static void abort_handler(int signo)
+{
+    longjmp(env, 1);
+}
+
+
+static int test_abort_handler_calls_abort(void)
+{
+    struct sigaction act;
+    struct sigaction oldact;
+    
+    if (setjmp(env) == 0) {
+        act.sa_handler = abort_handler;
+        sigemptyset(&act.sa_mask);
+        act.sa_flags = 0;
+        sigaction(SIGABRT, &act, &oldact);
+        dynstr_set_malloc_error_handler(dynstr_malloc_error_abort);
+        dynstr_malloc_error_abort(0, 0, 0);
+        FAIL("dynstr_malloc_error_abort returned");
+    } else {
+        sigaction(SIGABRT, &oldact, NULL);
+    }
+    return true;
+}
+
+
+static bool error_handler_called;
+
+static void error_handler(int error, size_t size, void *oldptr)
+{
+    error_handler_called = true;
+}
+
+static int fail_malloc_after;
+
+static void *fail_malloc(size_t size)
+{
+    if (fail_malloc_after <= 0)
+        return NULL;
+    --fail_malloc_after;
+    return malloc(size);
+}
+
+static int test_alloc_calls_error_handler(void)
+{
+    Dynstr *dynstr;
+    
+    error_handler_called = false;
+    dynstr_set_malloc_error_handler(error_handler);
+    dynstr_set_malloc(fail_malloc);
+    dynstr = dynstr_new_empty();
+    FAIL_UNLESS_EQUAL(dynstr, NULL);
+    FAIL_UNLESS_EQUAL(error_handler_called, true);
+    return true;
+}
+
+static int test_alloc_does_not_call_error_handler(void)
+{
+    Dynstr *dynstr;
+    
+    error_handler_called = false;
+    dynstr_set_malloc_error_handler(error_handler);
+    dynstr_set_malloc(malloc);
+    dynstr = dynstr_new_empty();
+    FAIL_UNLESS_EQUAL(error_handler_called, false);
+    dynstr_free(dynstr);
+    return true;
+}
+
+
+static int test_uses_malloc_by_default(void)
+{
+    dynstr_init();
+    FAIL_UNLESS_EQUAL(dynstr_get_malloc(), malloc);
+    return true;
+}
+
+
+static int test_sets_malloc(void)
+{
+    dynstr_set_malloc(fail_malloc);
+    FAIL_UNLESS_EQUAL(dynstr_get_malloc(), fail_malloc);
+    return true;
+}
+
+
+static int test_init_resets_malloc(void)
+{
+    dynstr_set_malloc(fail_malloc);
+    dynstr_init();
+    FAIL_UNLESS_EQUAL(dynstr_get_malloc(), malloc);
+    return true;
+}
+
+
+static int test_empty_string_is_empty(void)
+{
+    Dynstr *dynstr;
+    
+    dynstr = dynstr_new_empty();
+    FAIL_UNLESS_EQUAL(dynstr_len(dynstr), 0);
+    FAIL_UNLESS_EQUAL(dynstr_is_empty(dynstr), true);
+    dynstr_free(dynstr);
+    return true;
+}
+
+
+static int test_new_returns_NULL_upon_first_allocation_failure(void)
+{
+    Dynstr *dynstr;
+
+    dynstr_init();
+    dynstr_set_malloc(fail_malloc);    
+    dynstr = dynstr_new_empty();
+    FAIL_UNLESS_EQUAL(dynstr, NULL);
+    return true;
+}
+
+
+static int test_creates_from_cstring(void)
+{
+    const char bytes[] = "asdfasdfafdasdfasdfqw4tb";
+    char newbytes[sizeof(bytes)];
+    Dynstr *dynstr;
+    size_t size;
+    
+    dynstr = new_from_cstring(bytes);
+    FAIL_UNLESS_EQUAL(dynstr_len(dynstr), strlen(bytes));
+
+    size = dynstr_memcpy(newbytes, dynstr, 0, strlen(bytes));
+    FAIL_UNLESS_EQUAL(size, strlen(bytes));
+    FAIL_UNLESS_EQUAL(memcmp(bytes, newbytes, strlen(bytes)), 0);
+    
+    return true;
+}
+
+
+static int test_creates_from_memory(void)
+{
+    const char bytes[] = "asdfasdfafdasdfasdfqw4tb";
+    char newbytes[sizeof(bytes)];
+    Dynstr *dynstr;
+    size_t size;
+    
+    dynstr = dynstr_new_from_memory(bytes, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(dynstr_len(dynstr), sizeof(bytes));
+
+    size = dynstr_memcpy(newbytes, dynstr, 0, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(size, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(memcmp(bytes, newbytes, sizeof(bytes)), 0);
+
+    dynstr_free(dynstr);
+    return true;
+}
+
+
+static int test_creates_from_constant_cstring(void)
+{
+    char bytes[] = "asdfasdfafdasdfasdfqw4tb";
+    char newbytes[sizeof(bytes)];
+    Dynstr *dynstr;
+    size_t size;
+    
+    dynstr = dynstr_new_from_constant_cstring(bytes);
+    FAIL_UNLESS_EQUAL(dynstr_len(dynstr), strlen(bytes));
+
+    size = dynstr_memcpy(newbytes, dynstr, 0, strlen(bytes));
+    FAIL_UNLESS_EQUAL(size, strlen(bytes));
+    FAIL_UNLESS_EQUAL(memcmp(bytes, newbytes, strlen(bytes)), 0);
+    
+    bytes[0] = 'x';
+    dynstr_memcpy(newbytes, dynstr, 0, strlen(bytes));
+    FAIL_UNLESS_EQUAL(memcmp(bytes, newbytes, strlen(bytes)), 0);
+    
+    dynstr_free(dynstr);
+    return true;
+}
+
+
+static int test_creates_from_constant_memory(void)
+{
+    char bytes[] = "asdfasdfafdasdfasdfqw4tb";
+    char newbytes[sizeof(bytes)];
+    Dynstr *dynstr;
+    size_t size;
+    
+    dynstr = dynstr_new_from_constant_memory(bytes, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(dynstr_len(dynstr), sizeof(bytes));
+
+    size = dynstr_memcpy(newbytes, dynstr, 0, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(size, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(memcmp(bytes, newbytes, sizeof(bytes)), 0);
+
+    bytes[0] = 'x';
+    dynstr_memcpy(newbytes, dynstr, 0, sizeof(bytes));
+    FAIL_UNLESS_EQUAL(memcmp(bytes, newbytes, sizeof(bytes)), 0);
+
+    dynstr_free(dynstr);
+    return true;
+}
+
+
+static int test_memcpy_returns_zero_if_offset_is_too_large(void)
+{
+    Dynstr *dynstr;
+    char mem[1024];
+    
+    dynstr = new_from_cstring("hello");
+    FAIL_UNLESS_EQUAL(dynstr_memcpy(mem, dynstr, dynstr_len(dynstr), 1), 0);
+    FAIL_UNLESS_EQUAL(dynstr_memcpy(mem, dynstr, dynstr_len(dynstr) + 1, 1), 0);
+    return true;
+}
+
+
+static int test_memcpy_truncates_if_copying_too_much(void)
+{
+    Dynstr *dynstr;
+    char mem[1024];
+    size_t len;
+    
+    dynstr = new_from_cstring("hello");
+    len = dynstr_len(dynstr);
+    FAIL_UNLESS_EQUAL(dynstr_memcpy(mem, dynstr, 0, len), len);
+    FAIL_UNLESS_EQUAL(dynstr_memcpy(mem, dynstr, 0, len + 1), len);
+    return true;
+}
+
+
+static int test_memcpy_copies_whole_string_ok(void)
+{
+    Dynstr *dynstr;
+    const char data[] = "hello";
+    char mem[1024];
+    size_t len;
+    
+    dynstr = new_from_cstring(data);
+    len = dynstr_len(dynstr);
+    dynstr_memcpy(mem, dynstr, 0, len);
+    FAIL_UNLESS_EQUAL(memcmp(data, mem, len), 0);
+    return true;
+}
+
+
+static int test_memcpy_copies_substring_ok(void)
+{
+    Dynstr *dynstr;
+    const char data[] = "hello";
+    char mem[1024];
+    size_t len;
+    
+    dynstr = new_from_cstring(data);
+    len = dynstr_len(dynstr);
+    dynstr_memcpy(mem, dynstr, 1, len-2);
+    FAIL_UNLESS_EQUAL(memcmp(data + 1, mem, len-2), 0);
+    return true;
+}
+
+
+static int test_copies_empty_substring_ok(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 1, 0);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 0);
+    return true;
+}
+
+
+static int test_copies_single_byte_substring_ok(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 1, 1);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 1);
+    FAIL_UNLESS_EQUAL(memcmp(buf, "b", 1), 0);
+    return true;
+}
+
+
+static int test_copies_middle_substring_ok(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 1, 4);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 4);
+    FAIL_UNLESS_EQUAL(memcmp(buf, "bcde", 4), 0);
+    return true;
+}
+
+
+static int test_copies_initial_substring_ok(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 0, 5);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 5);
+    FAIL_UNLESS_EQUAL(memcmp(buf, "abcde", 5), 0);
+    return true;
+}
+
+
+static int test_copies_final_substring_ok(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 1, 5);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 5);
+    FAIL_UNLESS_EQUAL(memcmp(buf, "bcdef", 5), 0);
+    return true;
+}
+
+
+static int test_copies_empty_substring_when_offset_too_big(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 100, 1);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 0);
+    return true;
+}
+
+
+static int test_copies_partial_substring_when_length_too_big(void)
+{
+    Dynstr *dynstr;
+    Dynstr *sub;
+    size_t size;
+    char buf[1024];
+    
+    dynstr = new_from_cstring("abcdef");
+    sub = substr(dynstr, 1, 6);
+    size = dynstr_memcpy(buf, sub, 0, dynstr_len(sub));
+    FAIL_UNLESS_EQUAL(size, 5);
+    FAIL_UNLESS_EQUAL(memcmp(buf, "bcdef", 5), 0);
+    return true;
+}
+
+
+static int test_strdup_duplicates_string(void)
+{
+    Dynstr *dynstr;
+    char *cstring;
+    char data[] = "hello, world";
+    
+    dynstr = dynstr_new_from_constant_cstring(data);
+    cstring = dynstr_strdup(dynstr);
+    FAIL_UNLESS_EQUAL(memcmp(data, cstring, sizeof(data)), 0);
+    free(cstring);
+    dynstr_free(dynstr);
+    return true;
+}
+
+
+static int test_cats_ok(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    Dynstr *c;
+    char buf[1024];
+    size_t size;
+    
+    a = new_from_cstring("abc");
+    b = new_from_cstring("def");
+    c = dynstr_cat(a, b);
+    FAIL_UNLESS_EQUAL(dynstr_len(c), 6);
+    size = dynstr_memcpy(buf, c, 0, dynstr_len(c));
+    FAIL_UNLESS_EQUAL(size, 6);
+    FAIL_UNLESS_EQUAL(memcmp(buf, "abcdef", 6), 0);
+    dynstr_free(c);
+    return true;
+}
+
+
+static int test_cat_returns_NULL_for_first_malloc_failure(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    Dynstr *c;
+
+    a = new_from_cstring("abc");
+    b = new_from_cstring("def");
+    dynstr_set_malloc(fail_malloc);
+    c = dynstr_cat(a, b);
+    FAIL_UNLESS_EQUAL(c, NULL);
+    return true;
+}
+
+
+static int test_byteat_reports_correct_character(void)
+{
+    Dynstr *dynstr;
+    
+    dynstr = new_from_cstring("abc");
+    FAIL_UNLESS_EQUAL(dynstr_byte_at(dynstr, 1), 'b');
+    return true;
+}
+
+
+static int test_byteat_reports_error_for_too_large_offset(void)
+{
+    Dynstr *dynstr;
+    
+    dynstr = new_from_cstring("abc");
+    FAIL_UNLESS_EQUAL(dynstr_byte_at(dynstr, 1024), -1);
+    return true;
+}
+
+
+static int test_byteat_reports_0xff_correctly(void)
+{
+    Dynstr *dynstr;
+    
+    dynstr = new_from_cstring("\xff");
+    FAIL_UNLESS_EQUAL(dynstr_byte_at(dynstr, 0), 255);
+    return true;
+}
+
+
+static int test_first_byte_finds_byte(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    offset = dynstr_first_byte(dynstr, 0, '3');
+    FAIL_UNLESS_EQUAL(offset, 2);
+    return true;
+}
+
+
+static int test_first_byte_only_finds_first_byte(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    offset = dynstr_first_byte(dynstr, 0, '3');
+    FAIL_UNLESS_EQUAL(offset, 2);
+    return true;
+}
+
+
+static int test_first_byte_does_not_find_nonexistent_byte(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    offset = dynstr_first_byte(dynstr, 0, 'x');
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_first_byte_does_not_find_byte_outside_range(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    offset = dynstr_first_byte(dynstr, 4, '3');
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_first_byte_only_finds_byte_inside_range(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    offset = dynstr_first_byte(dynstr, 3, '3');
+    FAIL_UNLESS_EQUAL(offset, 5);
+    return true;
+}
+
+
+static int test_first_byte_does_not_find_in_range_outside_string(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    offset = dynstr_first_byte(dynstr, 128, '3');
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_last_byte_finds_byte(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    offset = dynstr_last_byte(dynstr, 0, '3');
+    FAIL_UNLESS_EQUAL(offset, 2);
+    return true;
+}
+
+
+static int test_last_byte_only_finds_last_byte(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    offset = dynstr_last_byte(dynstr, 0, '3');
+    FAIL_UNLESS_EQUAL(offset, 5);
+    return true;
+}
+
+
+static int test_last_byte_does_not_find_nonexistent_byte(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    offset = dynstr_last_byte(dynstr, 0, 'x');
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_last_byte_does_not_find_byte_outside_range(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    offset = dynstr_last_byte(dynstr, 4, '3');
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_last_byte_only_finds_byte_inside_range(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    offset = dynstr_last_byte(dynstr, 3, '3');
+    FAIL_UNLESS_EQUAL(offset, 5);
+    return true;
+}
+
+
+static int test_last_byte_does_not_find_in_range_outside_string(void)
+{
+    Dynstr *dynstr;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    offset = dynstr_last_byte(dynstr, 128, '3');
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_first_string_finds_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    pattern = new_from_cstring("345");
+    offset = dynstr_first_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, 2);
+    return true;
+}
+
+
+static int test_first_string_only_finds_first_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    pattern = new_from_cstring("123");
+    offset = dynstr_first_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, 0);
+    return true;
+}
+
+
+static int test_first_string_does_not_find_nonexistent_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    pattern = new_from_cstring("x");
+    offset = dynstr_first_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_first_string_does_not_find_pattern_outside_range(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    pattern = new_from_cstring("123");
+    offset = dynstr_first_string(dynstr, 3, pattern);
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_first_string_only_finds_pattern_inside_range(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    pattern = new_from_cstring("3");
+    offset = dynstr_first_string(dynstr, 3, pattern);
+    FAIL_UNLESS_EQUAL(offset, 5);
+    return true;
+}
+
+
+static int test_first_string_does_not_find_empty_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    pattern = new_from_cstring("");
+    offset = dynstr_first_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_last_string_finds_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    pattern = new_from_cstring("345");
+    offset = dynstr_last_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, 2);
+    return true;
+}
+
+
+static int test_last_string_only_finds_last_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    pattern = new_from_cstring("123");
+    offset = dynstr_last_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, 3);
+    return true;
+}
+
+
+static int test_last_string_does_not_find_nonexistent_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    pattern = new_from_cstring("x");
+    offset = dynstr_last_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_last_string_does_not_find_pattern_outside_range(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123456");
+    pattern = new_from_cstring("123");
+    offset = dynstr_last_string(dynstr, 3, pattern);
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+
+static int test_last_string_only_finds_pattern_inside_range(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    pattern = new_from_cstring("3");
+    offset = dynstr_last_string(dynstr, 3, pattern);
+    FAIL_UNLESS_EQUAL(offset, 5);
+    return true;
+}
+
+
+static int test_last_string_does_not_find_empty_pattern(void)
+{
+    Dynstr *dynstr;
+    Dynstr *pattern;
+    size_t offset;
+    
+    dynstr = new_from_cstring("123123");
+    pattern = new_from_cstring("");
+    offset = dynstr_last_string(dynstr, 0, pattern);
+    FAIL_UNLESS_EQUAL(offset, DYNSTR_NOT_FOUND);
+    return true;
+}
+
+static int test_cmp_returns_0_for_equal_strings(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    
+    a = new_from_cstring("foo");
+    b = new_from_cstring("foo");
+    FAIL_UNLESS_EQUAL(dynstr_cmp(a, b), 0);
+    return true;
+}
+
+
+static int test_cmp_returns_0_for_empty_strings(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    
+    a = dynstr_new_empty();
+    b = dynstr_new_empty();
+    FAIL_UNLESS_EQUAL(dynstr_cmp(a, b), 0);
+    dynstr_free(a);
+    dynstr_free(b);
+    return true;
+}
+
+
+static int test_cmp_returns_negative_if_only_first_string_is_empty(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    
+    a = new_from_cstring("");
+    b = new_from_cstring("foo");
+    FAIL_UNLESS(dynstr_cmp(a, b) < 0);
+    return true;
+}
+
+
+static int test_cmp_returns_positive_if_only_second_string_is_empty(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    
+    a = new_from_cstring("foo");
+    b = new_from_cstring("");
+    FAIL_UNLESS(dynstr_cmp(a, b) > 0);
+    return true;
+}
+
+
+static int test_cmp_returns_negative_if_first_string_comes_first(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    
+    a = new_from_cstring("x");
+    b = new_from_cstring("\xff"); /* Check for unsigned comparision, too. */
+    FAIL_UNLESS(dynstr_cmp(a, b) < 0);
+    return true;
+}
+
+
+static int test_cmp_returns_positive_if_second_string_comes_first(void)
+{
+    Dynstr *a;
+    Dynstr *b;
+    
+    a = new_from_cstring("\xff");
+    b = new_from_cstring("x");
+    FAIL_UNLESS(dynstr_cmp(a, b) > 0);
+    return true;
+}
+
+
+static int write_test(long (*callback)(char *filename, Dynstr *dynstr))
+{
+    char tempname[] = "unittest.tmp.XXXXXX";
+    int fd;
+    size_t num_bytes;
+    Dynstr *dynstr;
+    Dynstr *dynstr2;
+    char buf[1024];
+    int read_bytes;
+    
+    dynstr = new_from_cstring("life is too short for str* and mem* in apps");
+    
+    fd = mkstemp(tempname);
+    if (fd == -1)
+        abort();
+
+    num_bytes = callback(tempname, dynstr);
+
+    FAIL_UNLESS_EQUAL(num_bytes, dynstr_len(dynstr));
+    
+    read_bytes = read(fd, buf, sizeof(buf));
+    if (read_bytes == -1)
+        abort();
+    close(fd);
+    remove(tempname);
+
+    dynstr2 = dynstr_new_from_memory(buf, read_bytes);
+    FAIL_UNLESS_EQUAL(read_bytes, dynstr_len(dynstr));
+    FAIL_UNLESS_EQUAL(dynstr_cmp(dynstr, dynstr2), 0);
+    dynstr_free(dynstr2);
+
+    return true;
+}
+
+
+static long fwrite_callback(char *filename, Dynstr *dynstr)
+{
+    FILE *f;
+    long num_bytes;
+    
+    f = fopen(filename, "w");
+    num_bytes = dynstr_fwrite(f, dynstr);
+    fclose(f);
+    return num_bytes;
+}
+
+
+static int test_fwrite_writes_string(void)
+{
+    return write_test(fwrite_callback);
+}
+
+
+static long write_callback(char *filename, Dynstr *dynstr)
+{
+    int fd;
+    long num_bytes;
+    
+    fd = open(filename, O_WRONLY, 0);
+    num_bytes = dynstr_write(fd, dynstr);
+    close(fd);
+    return num_bytes;
+}
+
+
+static int test_write_writes_string(void)
+{
+    return write_test(write_callback);
+}
+
+
+static int read_test(Dynstr *(*callback)(char *filename, size_t size))
+{
+    char tempname[] = "unittest.tmp.XXXXXX";
+    int fd;
+    Dynstr *dynstr;
+    Dynstr *dynstr2;
+    const char canonical[] = "life is too short for str* and mem* in apps";
+    
+    fd = mkstemp(tempname);
+    if (fd == -1)
+        abort();
+    if (write(fd, canonical, sizeof(canonical)) == -1)
+        abort();
+    close(fd);
+
+    dynstr = callback(tempname, sizeof(canonical) * 2);
+    remove(tempname);
+
+    FAIL_UNLESS(dynstr != NULL);
+    FAIL_UNLESS_EQUAL(dynstr_len(dynstr), sizeof(canonical));
+    
+    dynstr2 = dynstr_new_from_memory(canonical, sizeof(canonical));
+    FAIL_UNLESS_EQUAL(dynstr_cmp(dynstr, dynstr2), 0);
+
+    dynstr_free(dynstr);
+    dynstr_free(dynstr2);
+
+    return true;
+}
+
+
+static Dynstr *fread_callback(char *filename, size_t size)
+{
+    FILE *f;
+    Dynstr *dynstr;
+    
+    f = fopen(filename, "r");
+    dynstr = dynstr_fread(f, size);
+    fclose(f);
+    return dynstr;
+}
+
+
+static int test_fread_reads_string(void)
+{
+    return read_test(fread_callback);
+}
+
+
+static Dynstr *read_callback(char *filename, size_t size)
+{
+    int fd;
+    Dynstr *dynstr;
+    
+    fd = open(filename, O_RDONLY, 0);
+    dynstr = dynstr_read(fd, size);
+    close(fd);
+    return dynstr;
+}
+
+
+static int test_read_reads_string(void)
+{
+    return read_test(read_callback);
+}
+
+
+static int readline_test(Dynstr *(*callback)(char *filename))
+{
+    char tempname[] = "unittest.tmp.XXXXXX";
+    int fd;
+    const char cline1[] = "life is too short for str* and mem* in apps\n";
+    const char cline2[] = "use dynstr instead!\n";
+    Dynstr *lines;
+    Dynstr *line1;
+    Dynstr *line2;
+    Dynstr *result;
+    
+    fd = mkstemp(tempname);
+    if (fd == -1)
+        abort();
+        
+    line1 = dynstr_new_from_constant_cstring(cline1);
+    line2 = dynstr_new_from_constant_cstring(cline2);
+    lines = dynstr_cat(line1, line2);
+    if (dynstr_write(fd, lines) != dynstr_len(lines))
+        abort();
+    close(fd);
+    
+    result = callback(tempname);
+    remove(tempname);
+
+    FAIL_UNLESS_EQUAL(dynstr_cmp(line1, result), 0);
+
+    dynstr_free(line1);
+    dynstr_free(line2);
+    dynstr_free(lines);
+    dynstr_free(result);
+
+    return true;
+}
+
+
+static Dynstr *freadline_callback(char *filename)
+{
+    FILE *f;
+    Dynstr *line1;
+    
+    f = fopen(filename, "r");
+    line1 = dynstr_freadline(f);
+    fclose(f);
+    return line1;
+}
+
+
+static int test_freadline_reads_first_line(void)
+{
+    return readline_test(freadline_callback);
+}
+
+
+static Dynstr *readline_callback(char *filename)
+{
+    int fd;
+    Dynstr *line1;
+    
+    fd = open(filename, O_RDONLY, 0);
+    line1 = dynstr_readline(fd);
+    close(fd);
+    return line1;
+}
+
+
+static int test_readline_reads_first_line(void)
+{
+    return readline_test(readline_callback);
+}
+
+
+static void setup(void)
+{
+    dynstr_init();
+    fail_malloc_after = 0;
+}
+
+
+static void teardown(void)
+{
+    free_all_strings();
+}
+
+
+struct test {
+    const char *name;
+    int (*test)(void);
+};
+
+
+#define TEST(func) { #func, func }
+
+static const struct test tests[] = {
+    TEST(test_default_error_handler_is_indicate),
+    TEST(test_sets_error_handler),
+    TEST(test_init_resets_error_handler),
+    TEST(test_uses_malloc_by_default),
+    TEST(test_sets_malloc),
+    TEST(test_init_resets_malloc),
+    TEST(test_alloc_calls_error_handler),
+    TEST(test_alloc_does_not_call_error_handler),
+    TEST(test_indicate_handler_returns),
+    TEST(test_abort_handler_calls_abort),
+    TEST(test_empty_string_is_empty),
+    TEST(test_new_returns_NULL_upon_first_allocation_failure),
+    TEST(test_creates_from_cstring),
+    TEST(test_creates_from_memory),
+    TEST(test_creates_from_constant_cstring),
+    TEST(test_creates_from_constant_memory),
+    TEST(test_memcpy_returns_zero_if_offset_is_too_large),
+    TEST(test_memcpy_truncates_if_copying_too_much),
+    TEST(test_memcpy_copies_whole_string_ok),
+    TEST(test_memcpy_copies_substring_ok),
+    TEST(test_strdup_duplicates_string),
+    TEST(test_copies_empty_substring_ok),
+    TEST(test_copies_single_byte_substring_ok),
+    TEST(test_copies_middle_substring_ok),
+    TEST(test_copies_initial_substring_ok),
+    TEST(test_copies_final_substring_ok),
+    TEST(test_copies_empty_substring_when_offset_too_big),
+    TEST(test_copies_partial_substring_when_length_too_big),
+    TEST(test_cats_ok),
+    TEST(test_cat_returns_NULL_for_first_malloc_failure),
+    TEST(test_byteat_reports_correct_character),
+    TEST(test_byteat_reports_error_for_too_large_offset),
+    TEST(test_byteat_reports_0xff_correctly),
+    TEST(test_first_byte_finds_byte),
+    TEST(test_first_byte_only_finds_first_byte),
+    TEST(test_first_byte_does_not_find_nonexistent_byte),
+    TEST(test_first_byte_does_not_find_byte_outside_range),
+    TEST(test_first_byte_only_finds_byte_inside_range),
+    TEST(test_first_byte_does_not_find_in_range_outside_string),
+    TEST(test_last_byte_finds_byte),
+    TEST(test_last_byte_only_finds_last_byte),
+    TEST(test_last_byte_does_not_find_nonexistent_byte),
+    TEST(test_last_byte_does_not_find_byte_outside_range),
+    TEST(test_last_byte_only_finds_byte_inside_range),
+    TEST(test_last_byte_does_not_find_in_range_outside_string),
+    TEST(test_first_string_finds_pattern),
+    TEST(test_first_string_only_finds_first_pattern),
+    TEST(test_first_string_does_not_find_nonexistent_pattern),
+    TEST(test_first_string_does_not_find_pattern_outside_range),
+    TEST(test_first_string_only_finds_pattern_inside_range),
+    TEST(test_first_string_does_not_find_empty_pattern),
+    TEST(test_last_string_finds_pattern),
+    TEST(test_last_string_only_finds_last_pattern),
+    TEST(test_last_string_does_not_find_nonexistent_pattern),
+    TEST(test_last_string_does_not_find_pattern_outside_range),
+    TEST(test_last_string_only_finds_pattern_inside_range),
+    TEST(test_last_string_does_not_find_empty_pattern),
+    TEST(test_cmp_returns_0_for_equal_strings),
+    TEST(test_cmp_returns_0_for_empty_strings),
+    TEST(test_cmp_returns_negative_if_only_first_string_is_empty),
+    TEST(test_cmp_returns_positive_if_only_second_string_is_empty),
+    TEST(test_cmp_returns_negative_if_first_string_comes_first),
+    TEST(test_cmp_returns_positive_if_second_string_comes_first),
+    TEST(test_fwrite_writes_string),
+    TEST(test_write_writes_string),
+    TEST(test_fread_reads_string),
+    TEST(test_read_reads_string),
+    TEST(test_freadline_reads_first_line),
+    TEST(test_readline_reads_first_line),
+};
+static const int num_tests = sizeof(tests) / sizeof(tests[0]);
+
+int main(void)
+{
+    int exit;
+
+    exit = EXIT_SUCCESS;
+    for (int i = 0; i < num_tests; ++i) {
+        setup();
+        if (!tests[i].test()) {
+            exit = EXIT_FAILURE;
+        }
+        teardown();
+    }
+    return exit;
+}