Function TestWrapPrefixError

error_test.go:179–211

(t *testing.T)

}

func TestWrapPrefixError(t *testing.T) {

	e := func() error {
		return WrapPrefix("hi", "prefix", 1)
	}()

	if e.Error() != "prefix: hi" {
		t.Errorf("Constructor with a string failed")
	}

	if WrapPrefix(fmt.Errorf("yo"), "prefix", 0).Error() != "prefix: yo" {
		t.Errorf("Constructor with an error failed")
	}

	prefixed := WrapPrefix(e, "prefix", 0)
	original := e.(*Error)

	if prefixed.Err != original.Err || !reflect.DeepEqual(prefixed.stack, original.stack) || !reflect.DeepEqual(prefixed.frames, original.frames) || prefixed.Error() != "prefix: prefix: hi" {
		t.Errorf("Constructor with an Error failed")
	}

	if original.Error() == prefixed.Error() {
		t.Errorf("WrapPrefix changed the original error")
	}

	if WrapPrefix(nil, "prefix", 0) != nil {
		t.Errorf("Constructor with nil failed")
	}

	if !strings.HasSuffix(original.StackFrames()[0].File, "error_test.go") || strings.HasSuffix(original.StackFrames()[1].File, "error_test.go") {
		t.Errorf("Skip failed")
	}
}

func ExampleErrorf(x int) (int, error) {
	if x%2 == 1 {