Add test for duplicate scenario names failing

2 files changed, 19 insertions, 0 deletions

diff --git a/yarn.tests/duplicate-scenario-names.exit b/yarn.tests/duplicate-scenario-names.exit
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/yarn.tests/duplicate-scenario-names.exit
@@ -0,0 +1 @@
+1
diff --git a/yarn.tests/duplicate-scenario-names.script b/yarn.tests/duplicate-scenario-names.script
new file mode 100755
index 0000000..770f00a
--- /dev/null
+++ b/yarn.tests/duplicate-scenario-names.script
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+set -eu
+
+
+cat <<EOF > "$DATADIR/test.yarn"
+    SCENARIO    foo
+    THEN        nop
+
+    SCENARIO    foo
+    THEN        nop
+
+    IMPLEMENTS THEN nop
+    true
+EOF
+
+./run-yarn "$DATADIR/test.yarn"
+