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Introduce a BeginEndDistanceIs matcher for containers such as std::forward_list

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which lack a size() member.

Also pull in gtest 678.
This commit is contained in:
kosak
2014-03-12 21:06:46 +00:00
parent fc4aa1d718
commit b6a348862b
2 changed files with 133 additions and 0 deletions
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61
test/gmock-matchers_test.cc
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@@ -54,6 +54,10 @@
#include "gtest/gtest.h"
#include "gtest/gtest-spi.h"
#if GTEST_LANG_CXX11
# include <forward_list> // NOLINT
#endif
namespace testing {
namespace internal {
@@ -4419,6 +4423,63 @@ TEST(StreamlikeTest, Iteration) {
}
}
#if GTEST_LANG_CXX11
TEST(BeginEndDistanceIsTest, WorksWithForwardList) {
std::forward_list<int> container;
EXPECT_THAT(container, BeginEndDistanceIs(0));
EXPECT_THAT(container, Not(BeginEndDistanceIs(1)));
container.push_front(0);
EXPECT_THAT(container, Not(BeginEndDistanceIs(0)));
EXPECT_THAT(container, BeginEndDistanceIs(1));
container.push_front(0);
EXPECT_THAT(container, Not(BeginEndDistanceIs(0)));
EXPECT_THAT(container, BeginEndDistanceIs(2));
}
#endif // GTEST_LANG_CXX11
TEST(BeginEndDistanceIsTest, WorksWithNonStdList) {
const int a[5] = { 1, 2, 3, 4, 5 };
Streamlike<int> s(a, a + 5);
EXPECT_THAT(s, BeginEndDistanceIs(5));
}
TEST(BeginEndDistanceIsTest, CanDescribeSelf) {
Matcher<vector<int> > m = BeginEndDistanceIs(2);
EXPECT_EQ("distance between begin() and end() is equal to 2", Describe(m));
EXPECT_EQ("distance between begin() and end() isn't equal to 2",
DescribeNegation(m));
}
TEST(BeginEndDistanceIsTest, ExplainsResult) {
Matcher<vector<int> > m1 = BeginEndDistanceIs(2);
Matcher<vector<int> > m2 = BeginEndDistanceIs(Lt(2));
Matcher<vector<int> > m3 = BeginEndDistanceIs(AnyOf(0, 3));
Matcher<vector<int> > m4 = BeginEndDistanceIs(GreaterThan(1));
vector<int> container;
EXPECT_EQ("whose distance between begin() and end() 0 doesn't match",
Explain(m1, container));
EXPECT_EQ("whose distance between begin() and end() 0 matches",
Explain(m2, container));
EXPECT_EQ("whose distance between begin() and end() 0 matches",
Explain(m3, container));
EXPECT_EQ(
"whose distance between begin() and end() 0 doesn't match, which is 1 "
"less than 1",
Explain(m4, container));
container.push_back(0);
container.push_back(0);
EXPECT_EQ("whose distance between begin() and end() 2 matches",
Explain(m1, container));
EXPECT_EQ("whose distance between begin() and end() 2 doesn't match",
Explain(m2, container));
EXPECT_EQ("whose distance between begin() and end() 2 doesn't match",
Explain(m3, container));
EXPECT_EQ(
"whose distance between begin() and end() 2 matches, which is 1 more "
"than 1",
Explain(m4, container));
}
TEST(WhenSortedTest, WorksForStreamlike) {
// Streamlike 'container' provides only minimal iterator support.
// Its iterators are tagged with input_iterator_tag.