diff options
Diffstat (limited to 'src/expvar/expvar_test.go')
| -rw-r--r-- | src/expvar/expvar_test.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/expvar/expvar_test.go b/src/expvar/expvar_test.go index 7014063d4f..728e763896 100644 --- a/src/expvar/expvar_test.go +++ b/src/expvar/expvar_test.go @@ -161,6 +161,28 @@ func BenchmarkStringSet(b *testing.B) { }) } +func TestMapInit(t *testing.T) { + RemoveAll() + colors := NewMap("bike-shed-colors") + colors.Add("red", 1) + colors.Add("blue", 1) + colors.Add("chartreuse", 1) + + n := 0 + colors.Do(func(KeyValue) { n++ }) + if n != 3 { + t.Errorf("after three Add calls with distinct keys, Do should invoke f 3 times; got %v", n) + } + + colors.Init() + + n = 0 + colors.Do(func(KeyValue) { n++ }) + if n != 0 { + t.Errorf("after Init, Do should invoke f 0 times; got %v", n) + } +} + func TestMapCounter(t *testing.T) { RemoveAll() colors := NewMap("bike-shed-colors") |