dart-sass/test/legacy_node_api/value/null_test.dart

49 lines
1.1 KiB
Dart

// Copyright 2018 Google Inc. Use of this source code is governed by an
// MIT-style license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT.
@TestOn('node')
@Tags(['node'])
import 'dart:js_util';
import 'package:test/test.dart';
import '../api.dart';
import 'utils.dart';
void main() {
group("from a parameter", () {
late NodeSassNull value;
setUp(() {
value = parseValue<NodeSassNull>("null");
});
test("is instanceof Null", () {
expect(value, isJSInstanceOf(sass.types.Null));
});
test("equals NULL", () {
expect(value, equals(sass.types.Null.NULL));
});
test("has a useful .constructor.name", () {
expect(value.constructor.name, equals("SassNull"));
});
});
group("from a constant", () {
test("has a useful .constructor.name", () {
expect(sass.types.Null.NULL.constructor.name, equals("SassNull"));
});
});
test("the constructor throws", () {
expect(() => callConstructor(sass.types.Null, []), throwsA(anything));
});
test("the convenience accessor sass.NULL exists", () {
expect(sass.NULL, equals(sass.types.Null.NULL));
});
}