diff options
Diffstat (limited to 'src/strings/strings_test.go')
| -rw-r--r-- | src/strings/strings_test.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/strings/strings_test.go b/src/strings/strings_test.go index ee0c260753..4e21deaecd 100644 --- a/src/strings/strings_test.go +++ b/src/strings/strings_test.go @@ -120,6 +120,23 @@ func TestLastIndex(t *testing.T) { runIndexTests(t, LastIndex, "LastIndex", l func TestIndexAny(t *testing.T) { runIndexTests(t, IndexAny, "IndexAny", indexAnyTests) } func TestLastIndexAny(t *testing.T) { runIndexTests(t, LastIndexAny, "LastIndexAny", lastIndexAnyTests) } +func TestLastIndexByte(t *testing.T) { + testCases := []IndexTest{ + {"", "q", -1}, + {"abcdef", "q", -1}, + {"abcdefabcdef", "a", len("abcdef")}, // something in the middle + {"abcdefabcdef", "f", len("abcdefabcde")}, // last byte + {"zabcdefabcdef", "z", 0}, // first byte + {"a☺b☻c☹d", "b", len("a☺")}, // non-ascii + } + for _, test := range testCases { + actual := LastIndexByte(test.s, test.sep[0]) + if actual != test.out { + t.Errorf("LastIndexByte(%q,%c) = %v; want %v", test.s, test.sep[0], actual, test.out) + } + } +} + var indexRuneTests = []struct { s string rune rune |