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// Copyright 2013 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package getopt
import (
"fmt"
"strings"
"testing"
)
var counterTests = []struct {
where string
in []string
c int
cnt int
err string
}{
{
loc(),
[]string{},
0,
0,
"",
},
{
loc(),
[]string{"test", "-c", "--cnt"},
1,
1,
"",
},
{
loc(),
[]string{"test", "-cc", "-c", "--cnt", "--cnt"},
3,
2,
"",
},
{
loc(),
[]string{"test", "--c=17", "--cnt=42"},
17,
42,
"",
},
{
loc(),
[]string{"test", "--cnt=false"},
0, 0,
"test: not a valid number: false\n",
},
}
func TestCounter(t *testing.T) {
for x, tt := range counterTests {
reset()
c := Counter('c')
cnt := CounterLong("cnt", 0)
if strings.Index(tt.where, ":-") > 0 {
tt.where = fmt.Sprintf("#%d", x)
}
parse(tt.in)
if s := checkError(tt.err); s != "" {
t.Errorf("%s: %s", tt.where, s)
}
if got, want := *c, tt.c; got != want {
t.Errorf("%s: got %v, want %v", tt.where, got, want)
}
if got, want := *cnt, tt.cnt; got != want {
t.Errorf("%s: got %v, want %v", tt.where, got, want)
}
}
reset()
c := 5
opt := CounterVar(&c, 'c')
parse([]string{"test", "-c"})
if c != 6 {
t.Errorf("got %d, want 6", c)
}
if opt.Count() != 1 {
t.Errorf("got %d, want 1", c)
}
Reset()
if c != 5 {
t.Errorf("got %d, want 5", c)
}
}
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