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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
122 lines
3.5 KiB
Dart
122 lines
3.5 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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import "package:expect/expect.dart";
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// Dart test program for RegExp.allMatches.
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class RegExpAllMatchesTest {
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static testIterator() {
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var matches = new RegExp("foo").allMatches("foo foo");
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Iterator it = matches.iterator;
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Expect.isNull(it.current);
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Expect.isTrue(it.moveNext());
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Expect.equals('foo', it.current.group(0));
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Expect.isTrue(it.moveNext());
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Expect.equals('foo', it.current.group(0));
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Expect.isFalse(it.moveNext());
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// Run two iterators over the same results.
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it = matches.iterator;
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Iterator it2 = matches.iterator;
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Expect.isTrue(it.moveNext());
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Expect.isTrue(it2.moveNext());
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Expect.equals('foo', it.current.group(0));
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Expect.equals('foo', it2.current.group(0));
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Expect.isTrue(it.moveNext());
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Expect.isTrue(it2.moveNext());
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Expect.equals('foo', it.current.group(0));
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Expect.equals('foo', it2.current.group(0));
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Expect.equals(false, it.moveNext());
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Expect.equals(false, it2.moveNext());
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}
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static testForEach() {
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var matches = new RegExp("foo").allMatches("foo foo");
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var strbuf = new StringBuffer();
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matches.forEach((Match m) {
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strbuf.write(m.group(0));
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});
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Expect.equals("foofoo", strbuf.toString());
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}
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static testMap() {
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var matches = new RegExp("foo?").allMatches("foo fo foo fo");
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var mapped = matches.map((Match m) => "${m.group(0)}bar");
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Expect.equals(4, mapped.length);
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var strbuf = new StringBuffer();
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for (String s in mapped) {
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strbuf.write(s);
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}
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Expect.equals("foobarfobarfoobarfobar", strbuf.toString());
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}
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static testFilter() {
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var matches = new RegExp("foo?").allMatches("foo fo foo fo");
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var filtered = matches.where((Match m) {
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return m.group(0) == 'foo';
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});
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Expect.equals(2, filtered.length);
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var strbuf = new StringBuffer();
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for (Match m in filtered) {
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strbuf.write(m.group(0));
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}
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Expect.equals("foofoo", strbuf.toString());
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}
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static testEvery() {
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var matches = new RegExp("foo?").allMatches("foo fo foo fo");
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Expect.equals(true, matches.every((Match m) {
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return m.group(0).startsWith("fo");
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}));
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Expect.equals(false, matches.every((Match m) {
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return m.group(0).startsWith("foo");
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}));
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}
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static testSome() {
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var matches = new RegExp("foo?").allMatches("foo fo foo fo");
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Expect.equals(true, matches.any((Match m) {
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return m.group(0).startsWith("fo");
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}));
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Expect.equals(true, matches.any((Match m) {
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return m.group(0).startsWith("foo");
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}));
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Expect.equals(false, matches.any((Match m) {
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return m.group(0).startsWith("fooo");
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}));
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}
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static testIsEmpty() {
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var matches = new RegExp("foo?").allMatches("foo fo foo fo");
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Expect.equals(false, matches.isEmpty);
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matches = new RegExp("fooo").allMatches("foo fo foo fo");
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Expect.equals(true, matches.isEmpty);
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}
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static testGetCount() {
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var matches = new RegExp("foo?").allMatches("foo fo foo fo");
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Expect.equals(4, matches.length);
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matches = new RegExp("fooo").allMatches("foo fo foo fo");
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Expect.equals(0, matches.length);
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}
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static testMain() {
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testIterator();
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testForEach();
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testMap();
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testFilter();
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testEvery();
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testSome();
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testIsEmpty();
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testGetCount();
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}
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}
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main() {
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RegExpAllMatchesTest.testMain();
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}
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