dart-sass/test/dart_api/value/string_test.dart
Natalie Weizenbaum 315e86b442
Add a map.deep-merge() function (#1077) (#1080)
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
2020-09-15 16:23:01 -07:00

236 lines
8.8 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("vm")
import 'package:test/test.dart';
import 'package:sass/sass.dart';
import 'utils.dart';
void main() {
group("an unquoted ASCII string", () {
SassString value;
setUp(() => value = parseValue("foobar") as SassString);
test("has the correct text", () {
expect(value.text, equals("foobar"));
});
test("has no quotes", () {
expect(value.hasQuotes, isFalse);
});
test("equals the same string", () {
expect(value, equalsWithHash(SassString("foobar", quotes: false)));
expect(value, equalsWithHash(SassString("foobar", quotes: true)));
});
test("is a string", () {
expect(value.assertString(), equals(value));
});
test("isn't any other type", () {
expect(value.assertBoolean, throwsSassScriptException);
expect(value.assertColor, throwsSassScriptException);
expect(value.assertFunction, throwsSassScriptException);
expect(value.assertMap, throwsSassScriptException);
expect(value.tryMap(), isNull);
expect(value.assertNumber, throwsSassScriptException);
});
test("sassLength returns the length", () {
expect(value.sassLength, equals(6));
});
group("sassIndexToStringIndex()", () {
test("converts a positive index to a Dart index", () {
expect(value.sassIndexToStringIndex(SassNumber(1)), equals(0));
expect(value.sassIndexToStringIndex(SassNumber(2)), equals(1));
expect(value.sassIndexToStringIndex(SassNumber(3)), equals(2));
expect(value.sassIndexToStringIndex(SassNumber(4)), equals(3));
expect(value.sassIndexToStringIndex(SassNumber(5)), equals(4));
expect(value.sassIndexToStringIndex(SassNumber(6)), equals(5));
});
test("converts a negative index to a Dart index", () {
expect(value.sassIndexToStringIndex(SassNumber(-1)), equals(5));
expect(value.sassIndexToStringIndex(SassNumber(-2)), equals(4));
expect(value.sassIndexToStringIndex(SassNumber(-3)), equals(3));
expect(value.sassIndexToStringIndex(SassNumber(-4)), equals(2));
expect(value.sassIndexToStringIndex(SassNumber(-5)), equals(1));
expect(value.sassIndexToStringIndex(SassNumber(-6)), equals(0));
});
test("rejects a non-number", () {
expect(() => value.sassIndexToStringIndex(SassString("foo")),
throwsSassScriptException);
});
test("rejects a non-integer", () {
expect(() => value.sassIndexToStringIndex(SassNumber(1.1)),
throwsSassScriptException);
});
test("rejects invalid indices", () {
expect(() => value.sassIndexToStringIndex(SassNumber(0)),
throwsSassScriptException);
expect(() => value.sassIndexToStringIndex(SassNumber(7)),
throwsSassScriptException);
expect(() => value.sassIndexToStringIndex(SassNumber(-7)),
throwsSassScriptException);
});
});
group("sassIndexToRuneIndex()", () {
test("converts a positive index to a Dart index", () {
expect(value.sassIndexToRuneIndex(SassNumber(1)), equals(0));
expect(value.sassIndexToRuneIndex(SassNumber(2)), equals(1));
expect(value.sassIndexToRuneIndex(SassNumber(3)), equals(2));
expect(value.sassIndexToRuneIndex(SassNumber(4)), equals(3));
expect(value.sassIndexToRuneIndex(SassNumber(5)), equals(4));
expect(value.sassIndexToRuneIndex(SassNumber(6)), equals(5));
});
test("converts a negative index to a Dart index", () {
expect(value.sassIndexToRuneIndex(SassNumber(-1)), equals(5));
expect(value.sassIndexToRuneIndex(SassNumber(-2)), equals(4));
expect(value.sassIndexToRuneIndex(SassNumber(-3)), equals(3));
expect(value.sassIndexToRuneIndex(SassNumber(-4)), equals(2));
expect(value.sassIndexToRuneIndex(SassNumber(-5)), equals(1));
expect(value.sassIndexToRuneIndex(SassNumber(-6)), equals(0));
});
test("rejects a non-number", () {
expect(() => value.sassIndexToRuneIndex(SassString("foo")),
throwsSassScriptException);
});
test("rejects a non-integer", () {
expect(() => value.sassIndexToRuneIndex(SassNumber(1.1)),
throwsSassScriptException);
});
test("rejects invalid indices", () {
expect(() => value.sassIndexToRuneIndex(SassNumber(0)),
throwsSassScriptException);
expect(() => value.sassIndexToRuneIndex(SassNumber(7)),
throwsSassScriptException);
expect(() => value.sassIndexToRuneIndex(SassNumber(-7)),
throwsSassScriptException);
});
});
});
group("a quoted ASCII string", () {
SassString value;
setUp(() => value = parseValue('"foobar"') as SassString);
test("has the correct text", () {
expect(value.text, equals("foobar"));
});
test("has quotes", () {
expect(value.hasQuotes, isTrue);
});
test("equals the same string", () {
expect(value, equalsWithHash(SassString("foobar", quotes: false)));
expect(value, equalsWithHash(SassString("foobar", quotes: true)));
});
});
group("an unquoted Unicde", () {
SassString value;
setUp(() => value = parseValue("a👭b👬c") as SassString);
test("sassLength returns the length", () {
expect(value.sassLength, equals(5));
});
group("sassIndexToStringIndex()", () {
test("converts a positive index to a Dart index", () {
expect(value.sassIndexToStringIndex(SassNumber(1)), equals(0));
expect(value.sassIndexToStringIndex(SassNumber(2)), equals(1));
expect(value.sassIndexToStringIndex(SassNumber(3)), equals(3));
expect(value.sassIndexToStringIndex(SassNumber(4)), equals(4));
expect(value.sassIndexToStringIndex(SassNumber(5)), equals(6));
});
test("converts a negative index to a Dart index", () {
expect(value.sassIndexToStringIndex(SassNumber(-1)), equals(6));
expect(value.sassIndexToStringIndex(SassNumber(-2)), equals(4));
expect(value.sassIndexToStringIndex(SassNumber(-3)), equals(3));
expect(value.sassIndexToStringIndex(SassNumber(-4)), equals(1));
expect(value.sassIndexToStringIndex(SassNumber(-5)), equals(0));
});
test("rejects invalid indices", () {
expect(() => value.sassIndexToStringIndex(SassNumber(0)),
throwsSassScriptException);
expect(() => value.sassIndexToStringIndex(SassNumber(6)),
throwsSassScriptException);
expect(() => value.sassIndexToStringIndex(SassNumber(-6)),
throwsSassScriptException);
});
});
group("sassIndexToRuneIndex()", () {
test("converts a positive index to a Dart index", () {
expect(value.sassIndexToRuneIndex(SassNumber(1)), equals(0));
expect(value.sassIndexToRuneIndex(SassNumber(2)), equals(1));
expect(value.sassIndexToRuneIndex(SassNumber(3)), equals(2));
expect(value.sassIndexToRuneIndex(SassNumber(4)), equals(3));
expect(value.sassIndexToRuneIndex(SassNumber(5)), equals(4));
});
test("converts a negative index to a Dart index", () {
expect(value.sassIndexToRuneIndex(SassNumber(-1)), equals(4));
expect(value.sassIndexToRuneIndex(SassNumber(-2)), equals(3));
expect(value.sassIndexToRuneIndex(SassNumber(-3)), equals(2));
expect(value.sassIndexToRuneIndex(SassNumber(-4)), equals(1));
expect(value.sassIndexToRuneIndex(SassNumber(-5)), equals(0));
});
test("rejects invalid indices", () {
expect(() => value.sassIndexToRuneIndex(SassNumber(0)),
throwsSassScriptException);
expect(() => value.sassIndexToRuneIndex(SassNumber(6)),
throwsSassScriptException);
expect(() => value.sassIndexToRuneIndex(SassNumber(-6)),
throwsSassScriptException);
});
});
});
group("new SassString.empty()", () {
test("creates an empty unquoted string", () {
var string = SassString.empty(quotes: false);
expect(string.text, isEmpty);
expect(string.hasQuotes, isFalse);
});
test("creates an empty quoted string", () {
var string = SassString.empty(quotes: true);
expect(string.text, isEmpty);
expect(string.hasQuotes, isTrue);
});
});
group("new SassString()", () {
test("creates an unquoted string with the given text", () {
var string = SassString("a b c", quotes: false);
expect(string.text, equals("a b c"));
expect(string.hasQuotes, isFalse);
});
test("creates a quoted string with the given text", () {
var string = SassString("a b c", quotes: true);
expect(string.text, equals("a b c"));
expect(string.hasQuotes, isTrue);
});
});
}