pkg/matcher: reapply 36881,36896 working around Issue 19173

pkg/matcher/test/string_matchers_test.dart

Index: pkg/matcher/test/string_matchers_test.dart
diff --git a/pkg/matcher/test/string_matchers_test.dart b/pkg/matcher/test/string_matchers_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..130364155ef46dc00856fdcf4f125e3ea0ce353c
--- /dev/null
+++ b/pkg/matcher/test/string_matchers_test.dart
@@ -0,0 +1,94 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library matcher.string_matchers_test;
+
+import 'package:matcher/matcher.dart';
+import 'package:unittest/unittest.dart' show test, group;
+
+import 'test_utils.dart';
+
+void main() {
+  initUtils();
+
+  test('collapseWhitespace', () {
+    var source = '\t\r\n hello\t\r\n world\r\t \n';
+    expect(collapseWhitespace(source), 'hello world');
+  });
+
+  test('isEmpty', () {
+    shouldPass('', isEmpty);
+    shouldFail(null, isEmpty, "Expected: empty Actual: <null>");
+    shouldFail(0, isEmpty, "Expected: empty Actual: <0>");
+    shouldFail('a', isEmpty, "Expected: empty Actual: 'a'");
+  });
+
+  test('equalsIgnoringCase', () {
+    shouldPass('hello', equalsIgnoringCase('HELLO'));
+    shouldFail('hi', equalsIgnoringCase('HELLO'),
+        "Expected: 'HELLO' ignoring case Actual: 'hi'");
+  });
+
+  test('equalsIgnoringWhitespace', () {
+    shouldPass(' hello   world  ', equalsIgnoringWhitespace('hello world'));
+    shouldFail(' helloworld  ', equalsIgnoringWhitespace('hello world'),
+        "Expected: 'hello world' ignoring whitespace "
+        "Actual: ' helloworld ' "
+        "Which: is 'helloworld' with whitespace compressed");
+  });
+
+  test('startsWith', () {
+    shouldPass('hello', startsWith(''));
+    shouldPass('hello', startsWith('hell'));
+    shouldPass('hello', startsWith('hello'));
+    shouldFail('hello', startsWith('hello '),
+        "Expected: a string starting with 'hello ' "
+        "Actual: 'hello'");
+  });
+
+  test('endsWith', () {
+    shouldPass('hello', endsWith(''));
+    shouldPass('hello', endsWith('lo'));
+    shouldPass('hello', endsWith('hello'));
+    shouldFail('hello', endsWith(' hello'),
+        "Expected: a string ending with ' hello' "
+        "Actual: 'hello'");
+  });
+
+  test('contains', () {
+    shouldPass('hello', contains(''));
+    shouldPass('hello', contains('h'));
+    shouldPass('hello', contains('o'));
+    shouldPass('hello', contains('hell'));
+    shouldPass('hello', contains('hello'));
+    shouldFail('hello', contains(' '),
+        "Expected: contains ' ' Actual: 'hello'");
+  });
+
+  test('stringContainsInOrder', () {
+    shouldPass('goodbye cruel world', stringContainsInOrder(['']));
+    shouldPass('goodbye cruel world', stringContainsInOrder(['goodbye']));
+    shouldPass('goodbye cruel world', stringContainsInOrder(['cruel']));
+    shouldPass('goodbye cruel world', stringContainsInOrder(['world']));
+    shouldPass('goodbye cruel world',
+               stringContainsInOrder(['good', 'bye', 'world']));
+    shouldPass('goodbye cruel world',
+               stringContainsInOrder(['goodbye', 'cruel']));
+    shouldPass('goodbye cruel world',
+               stringContainsInOrder(['cruel', 'world']));
+    shouldPass('goodbye cruel world',
+      stringContainsInOrder(['goodbye', 'cruel', 'world']));
+    shouldFail('goodbye cruel world',
+      stringContainsInOrder(['goo', 'cruel', 'bye']),
+      "Expected: a string containing 'goo', 'cruel', 'bye' in order "
+      "Actual: 'goodbye cruel world'");
+  });
+
+  test('matches', () {
+    shouldPass('c0d', matches('[a-z][0-9][a-z]'));
+    shouldPass('c0d', matches(new RegExp('[a-z][0-9][a-z]')));
+    shouldFail('cOd', matches('[a-z][0-9][a-z]'),
+        "Expected: match '[a-z][0-9][a-z]' Actual: 'cOd'");
+  });
+}