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Unified Diff: pkg/matcher/test/iterable_matchers_test.dart

Issue 317733006: pkg/matcher: reapply 36881,36896 working around Issue 19173 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: nit Created 6 years, 6 months ago
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Index: pkg/matcher/test/iterable_matchers_test.dart
diff --git a/pkg/matcher/test/iterable_matchers_test.dart b/pkg/matcher/test/iterable_matchers_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..4570d52616480ca9777d75d6e978f836be58df61
--- /dev/null
+++ b/pkg/matcher/test/iterable_matchers_test.dart
@@ -0,0 +1,166 @@
+// 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.iterable_matchers_test;
+
+import 'package:matcher/matcher.dart';
+import 'package:unittest/unittest.dart' show test, group;
+
+import 'test_utils.dart';
+
+void main() {
+ initUtils();
+
+ test('isEmpty', () {
+ shouldPass([], isEmpty);
+ shouldFail([1], isEmpty, "Expected: empty Actual: [1]");
+ });
+
+ test('contains', () {
+ var d = [1, 2];
+ shouldPass(d, contains(1));
+ shouldFail(d, contains(0), "Expected: contains <0> "
+ "Actual: [1, 2]");
+ });
+
+ test('equals with matcher element', () {
+ var d = ['foo', 'bar'];
+ shouldPass(d, equals(['foo', startsWith('ba')]));
+ shouldFail(d, equals(['foo', endsWith('ba')]),
+ "Expected: ['foo', <a string ending with 'ba'>] "
+ "Actual: ['foo', 'bar'] "
+ "Which: does not match a string ending with 'ba' at location [1]");
+ });
+
+ test('isIn', () {
+ var d = [1, 2];
+ shouldPass(1, isIn(d));
+ shouldFail(0, isIn(d), "Expected: is in [1, 2] Actual: <0>");
+ });
+
+ test('everyElement', () {
+ var d = [1, 2];
+ var e = [1, 1, 1];
+ shouldFail(d, everyElement(1),
+ "Expected: every element(<1>) "
+ "Actual: [1, 2] "
+ "Which: has value <2> which doesn't match <1> at index 1");
+ shouldPass(e, everyElement(1));
+ });
+
+ test('nested everyElement', () {
+ var d = [['foo', 'bar'], ['foo'], []];
+ var e = [['foo', 'bar'], ['foo'], 3, []];
+ shouldPass(d, everyElement(anyOf(isEmpty, contains('foo'))));
+ shouldFail(d, everyElement(everyElement(equals('foo'))),
+ "Expected: every element(every element('foo')) "
+ "Actual: [['foo', 'bar'], ['foo'], []] "
+ "Which: has value ['foo', 'bar'] which has value 'bar' "
+ "which is different. Expected: foo Actual: bar ^ "
+ "Differ at offset 0 at index 1 at index 0");
+ shouldFail(d, everyElement(allOf(hasLength(greaterThan(0)),
+ contains('foo'))),
+ "Expected: every element((an object with length of a value "
+ "greater than <0> and contains 'foo')) "
+ "Actual: [['foo', 'bar'], ['foo'], []] "
+ "Which: has value [] which has length of <0> at index 2");
+ shouldFail(d, everyElement(allOf(contains('foo'),
+ hasLength(greaterThan(0)))),
+ "Expected: every element((contains 'foo' and "
+ "an object with length of a value greater than <0>)) "
+ "Actual: [['foo', 'bar'], ['foo'], []] "
+ "Which: has value [] which doesn't match (contains 'foo' and "
+ "an object with length of a value greater than <0>) at index 2");
+ shouldFail(e, everyElement(allOf(contains('foo'),
+ hasLength(greaterThan(0)))),
+ "Expected: every element((contains 'foo' and an object with "
+ "length of a value greater than <0>)) "
+ "Actual: [['foo', 'bar'], ['foo'], 3, []] "
+ "Which: has value <3> which is not a string, map or iterable "
+ "at index 2");
+ });
+
+ test('anyElement', () {
+ var d = [1, 2];
+ var e = [1, 1, 1];
+ shouldPass(d, anyElement(2));
+ shouldFail(e, anyElement(2),
+ "Expected: some element <2> Actual: [1, 1, 1]");
+ });
+
+ test('orderedEquals', () {
+ shouldPass([null], orderedEquals([null]));
+ var d = [1, 2];
+ shouldPass(d, orderedEquals([1, 2]));
+ shouldFail(d, orderedEquals([2, 1]),
+ "Expected: equals [2, 1] ordered "
+ "Actual: [1, 2] "
+ "Which: was <1> instead of <2> at location [0]");
+ });
+
+ test('unorderedEquals', () {
+ var d = [1, 2];
+ shouldPass(d, unorderedEquals([2, 1]));
+ shouldFail(d, unorderedEquals([1]),
+ "Expected: equals [1] unordered "
+ "Actual: [1, 2] "
+ "Which: has too many elements (2 > 1)");
+ shouldFail(d, unorderedEquals([3, 2, 1]),
+ "Expected: equals [3, 2, 1] unordered "
+ "Actual: [1, 2] "
+ "Which: has too few elements (2 < 3)");
+ shouldFail(d, unorderedEquals([3, 1]),
+ "Expected: equals [3, 1] unordered "
+ "Actual: [1, 2] "
+ "Which: has no match for <3> at index 0");
+ });
+
+ test('unorderedMatchess', () {
+ var d = [1, 2];
+ shouldPass(d, unorderedMatches([2, 1]));
+ shouldPass(d, unorderedMatches([greaterThan(1), greaterThan(0)]));
+ shouldFail(d, unorderedMatches([greaterThan(0)]),
+ "Expected: matches [a value greater than <0>] unordered "
+ "Actual: [1, 2] "
+ "Which: has too many elements (2 > 1)");
+ shouldFail(d, unorderedMatches([3, 2, 1]),
+ "Expected: matches [<3>, <2>, <1>] unordered "
+ "Actual: [1, 2] "
+ "Which: has too few elements (2 < 3)");
+ shouldFail(d, unorderedMatches([3, 1]),
+ "Expected: matches [<3>, <1>] unordered "
+ "Actual: [1, 2] "
+ "Which: has no match for <3> at index 0");
+ shouldFail(d, unorderedMatches([greaterThan(3), greaterThan(0)]),
+ "Expected: matches [a value greater than <3>, a value greater than "
+ "<0>] unordered "
+ "Actual: [1, 2] "
+ "Which: has no match for a value greater than <3> at index 0");
+ });
+
+ test('pairwise compare', () {
+ var c = [1, 2];
+ var d = [1, 2, 3];
+ var e = [1, 4, 9];
+ shouldFail('x', pairwiseCompare(e, (e,a) => a <= e,
+ "less than or equal"),
+ "Expected: pairwise less than or equal [1, 4, 9] "
+ "Actual: 'x' "
+ "Which: is not an Iterable");
+ shouldFail(c, pairwiseCompare(e, (e,a) => a <= e, "less than or equal"),
+ "Expected: pairwise less than or equal [1, 4, 9] "
+ "Actual: [1, 2] "
+ "Which: has length 2 instead of 3");
+ shouldPass(d, pairwiseCompare(e, (e,a) => a <= e, "less than or equal"));
+ shouldFail(d, pairwiseCompare(e, (e,a) => a < e, "less than"),
+ "Expected: pairwise less than [1, 4, 9] "
+ "Actual: [1, 2, 3] "
+ "Which: has <1> which is not less than <1> at index 0");
+ shouldPass(d, pairwiseCompare(e, (e,a) => a * a == e, "square root of"));
+ shouldFail(d, pairwiseCompare(e, (e,a) => a + a == e, "double"),
+ "Expected: pairwise double [1, 4, 9] "
+ "Actual: [1, 2, 3] "
+ "Which: has <1> which is not double <1> at index 0");
+ });
+}
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