mirror of
https://github.com/danog/dart-sass.git
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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
236 lines
8.8 KiB
Dart
236 lines
8.8 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("an unquoted ASCII string", () {
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SassString value;
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setUp(() => value = parseValue("foobar") as SassString);
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test("has the correct text", () {
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expect(value.text, equals("foobar"));
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});
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test("has no quotes", () {
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expect(value.hasQuotes, isFalse);
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});
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test("equals the same string", () {
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expect(value, equalsWithHash(SassString("foobar", quotes: false)));
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expect(value, equalsWithHash(SassString("foobar", quotes: true)));
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});
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test("is a string", () {
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expect(value.assertString(), equals(value));
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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.assertFunction, 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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});
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test("sassLength returns the length", () {
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expect(value.sassLength, equals(6));
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});
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group("sassIndexToStringIndex()", () {
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test("converts a positive index to a Dart index", () {
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expect(value.sassIndexToStringIndex(SassNumber(1)), equals(0));
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expect(value.sassIndexToStringIndex(SassNumber(2)), equals(1));
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expect(value.sassIndexToStringIndex(SassNumber(3)), equals(2));
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expect(value.sassIndexToStringIndex(SassNumber(4)), equals(3));
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expect(value.sassIndexToStringIndex(SassNumber(5)), equals(4));
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expect(value.sassIndexToStringIndex(SassNumber(6)), equals(5));
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});
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test("converts a negative index to a Dart index", () {
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expect(value.sassIndexToStringIndex(SassNumber(-1)), equals(5));
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expect(value.sassIndexToStringIndex(SassNumber(-2)), equals(4));
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expect(value.sassIndexToStringIndex(SassNumber(-3)), equals(3));
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expect(value.sassIndexToStringIndex(SassNumber(-4)), equals(2));
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expect(value.sassIndexToStringIndex(SassNumber(-5)), equals(1));
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expect(value.sassIndexToStringIndex(SassNumber(-6)), equals(0));
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});
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test("rejects a non-number", () {
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expect(() => value.sassIndexToStringIndex(SassString("foo")),
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throwsSassScriptException);
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});
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test("rejects a non-integer", () {
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expect(() => value.sassIndexToStringIndex(SassNumber(1.1)),
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throwsSassScriptException);
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});
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test("rejects invalid indices", () {
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expect(() => value.sassIndexToStringIndex(SassNumber(0)),
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throwsSassScriptException);
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expect(() => value.sassIndexToStringIndex(SassNumber(7)),
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throwsSassScriptException);
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expect(() => value.sassIndexToStringIndex(SassNumber(-7)),
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throwsSassScriptException);
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});
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});
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group("sassIndexToRuneIndex()", () {
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test("converts a positive index to a Dart index", () {
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expect(value.sassIndexToRuneIndex(SassNumber(1)), equals(0));
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expect(value.sassIndexToRuneIndex(SassNumber(2)), equals(1));
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expect(value.sassIndexToRuneIndex(SassNumber(3)), equals(2));
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expect(value.sassIndexToRuneIndex(SassNumber(4)), equals(3));
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expect(value.sassIndexToRuneIndex(SassNumber(5)), equals(4));
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expect(value.sassIndexToRuneIndex(SassNumber(6)), equals(5));
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});
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test("converts a negative index to a Dart index", () {
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expect(value.sassIndexToRuneIndex(SassNumber(-1)), equals(5));
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expect(value.sassIndexToRuneIndex(SassNumber(-2)), equals(4));
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expect(value.sassIndexToRuneIndex(SassNumber(-3)), equals(3));
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expect(value.sassIndexToRuneIndex(SassNumber(-4)), equals(2));
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expect(value.sassIndexToRuneIndex(SassNumber(-5)), equals(1));
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expect(value.sassIndexToRuneIndex(SassNumber(-6)), equals(0));
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});
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test("rejects a non-number", () {
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expect(() => value.sassIndexToRuneIndex(SassString("foo")),
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throwsSassScriptException);
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});
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test("rejects a non-integer", () {
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expect(() => value.sassIndexToRuneIndex(SassNumber(1.1)),
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throwsSassScriptException);
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});
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test("rejects invalid indices", () {
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expect(() => value.sassIndexToRuneIndex(SassNumber(0)),
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throwsSassScriptException);
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expect(() => value.sassIndexToRuneIndex(SassNumber(7)),
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throwsSassScriptException);
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expect(() => value.sassIndexToRuneIndex(SassNumber(-7)),
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throwsSassScriptException);
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});
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});
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});
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group("a quoted ASCII string", () {
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SassString value;
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setUp(() => value = parseValue('"foobar"') as SassString);
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test("has the correct text", () {
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expect(value.text, equals("foobar"));
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});
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test("has quotes", () {
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expect(value.hasQuotes, isTrue);
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});
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test("equals the same string", () {
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expect(value, equalsWithHash(SassString("foobar", quotes: false)));
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expect(value, equalsWithHash(SassString("foobar", quotes: true)));
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});
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});
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group("an unquoted Unicde", () {
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SassString value;
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setUp(() => value = parseValue("a👭b👬c") as SassString);
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test("sassLength returns the length", () {
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expect(value.sassLength, equals(5));
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});
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group("sassIndexToStringIndex()", () {
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test("converts a positive index to a Dart index", () {
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expect(value.sassIndexToStringIndex(SassNumber(1)), equals(0));
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expect(value.sassIndexToStringIndex(SassNumber(2)), equals(1));
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expect(value.sassIndexToStringIndex(SassNumber(3)), equals(3));
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expect(value.sassIndexToStringIndex(SassNumber(4)), equals(4));
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expect(value.sassIndexToStringIndex(SassNumber(5)), equals(6));
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});
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test("converts a negative index to a Dart index", () {
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expect(value.sassIndexToStringIndex(SassNumber(-1)), equals(6));
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expect(value.sassIndexToStringIndex(SassNumber(-2)), equals(4));
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expect(value.sassIndexToStringIndex(SassNumber(-3)), equals(3));
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expect(value.sassIndexToStringIndex(SassNumber(-4)), equals(1));
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expect(value.sassIndexToStringIndex(SassNumber(-5)), equals(0));
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});
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test("rejects invalid indices", () {
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expect(() => value.sassIndexToStringIndex(SassNumber(0)),
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throwsSassScriptException);
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expect(() => value.sassIndexToStringIndex(SassNumber(6)),
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throwsSassScriptException);
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expect(() => value.sassIndexToStringIndex(SassNumber(-6)),
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throwsSassScriptException);
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});
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});
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group("sassIndexToRuneIndex()", () {
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test("converts a positive index to a Dart index", () {
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expect(value.sassIndexToRuneIndex(SassNumber(1)), equals(0));
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expect(value.sassIndexToRuneIndex(SassNumber(2)), equals(1));
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expect(value.sassIndexToRuneIndex(SassNumber(3)), equals(2));
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expect(value.sassIndexToRuneIndex(SassNumber(4)), equals(3));
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expect(value.sassIndexToRuneIndex(SassNumber(5)), equals(4));
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});
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test("converts a negative index to a Dart index", () {
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expect(value.sassIndexToRuneIndex(SassNumber(-1)), equals(4));
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expect(value.sassIndexToRuneIndex(SassNumber(-2)), equals(3));
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expect(value.sassIndexToRuneIndex(SassNumber(-3)), equals(2));
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expect(value.sassIndexToRuneIndex(SassNumber(-4)), equals(1));
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expect(value.sassIndexToRuneIndex(SassNumber(-5)), equals(0));
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});
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test("rejects invalid indices", () {
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expect(() => value.sassIndexToRuneIndex(SassNumber(0)),
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throwsSassScriptException);
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expect(() => value.sassIndexToRuneIndex(SassNumber(6)),
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throwsSassScriptException);
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expect(() => value.sassIndexToRuneIndex(SassNumber(-6)),
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throwsSassScriptException);
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});
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});
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});
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group("new SassString.empty()", () {
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test("creates an empty unquoted string", () {
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var string = SassString.empty(quotes: false);
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expect(string.text, isEmpty);
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expect(string.hasQuotes, isFalse);
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});
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test("creates an empty quoted string", () {
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var string = SassString.empty(quotes: true);
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expect(string.text, isEmpty);
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expect(string.hasQuotes, isTrue);
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});
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});
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group("new SassString()", () {
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test("creates an unquoted string with the given text", () {
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var string = SassString("a b c", quotes: false);
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expect(string.text, equals("a b c"));
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expect(string.hasQuotes, isFalse);
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});
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test("creates a quoted string with the given text", () {
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var string = SassString("a b c", quotes: true);
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expect(string.text, equals("a b c"));
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expect(string.hasQuotes, isTrue);
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});
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});
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}
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