Function TestTrimCurlyBrackets

stack/context_test.go:2143–2183

(t *testing.T)

}

func TestTrimCurlyBrackets(t *testing.T) {
	t.Parallel()
	data := []struct {
		input                  []byte
		want                   []byte
		wantOpened, wantClosed int
	}{
		{nil, nil, 0, 0},
		{[]byte(""), []byte(""), 0, 0},
		{[]byte("a"), []byte("a"), 0, 0},
		{[]byte("{a"), []byte("a"), 1, 0},
		{[]byte("{{a"), []byte("a"), 2, 0},
		{[]byte("{{a}}"), []byte("a"), 2, 2},
		{[]byte("{a}}"), []byte("a"), 1, 2},
		{[]byte("a}}"), []byte("a"), 0, 2},
		{[]byte("{}"), []byte(""), 1, 1},
		{[]byte("{{}}"), []byte(""), 2, 2},
		// Not expected in practice.
		{[]byte("}{"), []byte("}{"), 0, 0},
		{[]byte("{{}}a{{}}"), []byte("}}a{{"), 2, 2},
	}
	for i, line := range data {
		line := line
		t.Run(fmt.Sprintf("%d-%s", i, line.input), func(t *testing.T) {
			gotOpened, got, gotClosed := trimCurlyBrackets(line.input)
			if !bytes.Equal(line.want, got) {
				t.Errorf("want %s, got %s", line.want, got)
			}
			equiv := bytes.TrimRight(bytes.TrimLeft(line.input, "{"), "}")
			if !bytes.Equal(line.want, equiv) {
				t.Errorf("want %s, got %s", line.want, got)
			}
			if line.wantOpened != gotOpened {
				t.Errorf("want %d opening curly brackets, got %d", line.wantOpened, gotOpened)
			}
			if line.wantClosed != gotClosed {
				t.Errorf("want %d closing curly brackets, got %d", line.wantClosed, gotClosed)
			}
		})
	}
}

func BenchmarkScanSnapshot_Guess(b *testing.B) {
	b.ReportAllocs()