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Makes UnorderedElementsAre*() work with containers that don't have size() or empty().

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zhanyong.wan
2013-07-30 06:16:21 +00:00
parent fb25d53911
commit 5579c1a8b1
2 changed files with 38 additions and 8 deletions
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32
test/gmock-matchers_test.cc
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@@ -4430,7 +4430,7 @@ TEST(WhenSortedTest, WorksForStreamlike) {
// Streamlike 'container' provides only minimal iterator support.
// Its iterators are tagged with input_iterator_tag.
const int a[5] = { 2, 1, 4, 5, 3 };
Streamlike<int> s(a, a + 5);
Streamlike<int> s(a, a + GMOCK_ARRAY_SIZE_(a));
EXPECT_THAT(s, WhenSorted(ElementsAre(1, 2, 3, 4, 5)));
EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3))));
}
@@ -4465,6 +4465,25 @@ TEST(UnorderedElementsAreArrayTest, VectorBool) {
actual, &listener)) << listener.str();
}
TEST(UnorderedElementsAreArrayTest, WorksForStreamlike) {
// Streamlike 'container' provides only minimal iterator support.
// Its iterators are tagged with input_iterator_tag, and it has no
// size() or empty() methods.
const int a[5] = { 2, 1, 4, 5, 3 };
Streamlike<int> s(a, a + GMOCK_ARRAY_SIZE_(a));
::std::vector<int> expected;
expected.push_back(1);
expected.push_back(2);
expected.push_back(3);
expected.push_back(4);
expected.push_back(5);
EXPECT_THAT(s, UnorderedElementsAreArray(expected));
expected.push_back(6);
EXPECT_THAT(s, Not(UnorderedElementsAreArray(expected)));
}
class UnorderedElementsAreTest : public testing::Test {
protected:
typedef std::vector<int> IntVec;
@@ -4493,6 +4512,17 @@ TEST_F(UnorderedElementsAreTest, FailsWhenAnElementMatchesNoMatcher) {
s, &listener)) << listener.str();
}
TEST_F(UnorderedElementsAreTest, WorksForStreamlike) {
// Streamlike 'container' provides only minimal iterator support.
// Its iterators are tagged with input_iterator_tag, and it has no
// size() or empty() methods.
const int a[5] = { 2, 1, 4, 5, 3 };
Streamlike<int> s(a, a + GMOCK_ARRAY_SIZE_(a));
EXPECT_THAT(s, UnorderedElementsAre(1, 2, 3, 4, 5));
EXPECT_THAT(s, Not(UnorderedElementsAre(2, 2, 3, 4, 5)));
}
// One naive implementation of the matcher runs in O(N!) time, which is too
// slow for many real-world inputs. This test shows that our matcher can match
// 100 inputs very quickly (a few milliseconds). An O(100!) is 10^158