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028b2f6a01
This also adds a Value.tryMap() function, which was useful for implementing this and may be more generally useful to users as well. See sass/sass#2836 See sass/sass-spec#1560
51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
// Copyright 2018 Google Inc. Use of this source code is governed by an
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// MIT-style license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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@TestOn("vm")
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import 'package:test/test.dart';
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import 'package:sass/sass.dart';
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import 'utils.dart';
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void main() {
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group("a function value", () {
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SassFunction value;
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setUp(() => value = parseValue("get-function('red')") as SassFunction);
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test("has a callable with the given name", () {
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expect(value.callable.name, equals("red"));
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});
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test("is a function", () {
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expect(value.assertFunction(), equals(value));
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});
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test("equals the same function", () {
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expect(value, equalsWithHash(parseValue("get-function('red')")));
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});
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test("isn't any other type", () {
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expect(value.assertBoolean, throwsSassScriptException);
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expect(value.assertColor, throwsSassScriptException);
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expect(value.assertMap, throwsSassScriptException);
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expect(value.tryMap(), isNull);
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expect(value.assertNumber, throwsSassScriptException);
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expect(value.assertString, throwsSassScriptException);
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});
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});
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test("can return a new function", () {
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var css = compileString("a {b: call(foo(), 12)}", functions: [
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Callable("foo", "", (_) {
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return SassFunction(Callable("bar", r"$arg",
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(arguments) => SassNumber(arguments[0].assertNumber().value + 1)));
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})
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]);
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expect(css, equalsIgnoringWhitespace("a { b: 13; }"));
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});
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}
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