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Implements Contains(element) matcher. By Gary Morain.

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This commit is contained in:
zhanyong.wan 2009-02-20 18:31:04 +00:00
parent 7f4c2c0f95
commit 1bee7b2f1d
3 changed files with 178 additions and 0 deletions
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41
include/gmock/gmock-generated-matchers.h
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@ -1573,4 +1573,45 @@ string FormatMatcherDescription(
p4##_type, p5##_type, p6##_type, p7##_type, p8##_type, p9##_type>::\
gmock_Impl<arg_type>::Matches(arg_type arg) const
namespace testing {
namespace internal {
// Returns true iff element is in the STL-style container.
template <typename Container, typename Element>
inline bool Contains(const Container& container, const Element& element) {
return ::std::find(container.begin(), container.end(), element) !=
container.end();
}
// Returns true iff element is in the C-style array.
template <typename ArrayElement, size_t N, typename Element>
inline bool Contains(const ArrayElement (&array)[N], const Element& element) {
return ::std::find(array, array + N, element) != array + N;
}
} // namespace internal
// Matches an STL-style container or a C-style array that contains the given
// element.
//
// Examples:
// ::std::set<int> page_ids;
// page_ids.insert(3);
// page_ids.insert(1);
// EXPECT_THAT(page_ids, Contains(1));
// EXPECT_THAT(page_ids, Contains(3.0));
// EXPECT_THAT(page_ids, Not(Contains(4)));
//
// ::std::map<int, size_t> page_lengths;
// page_lengths[1] = 100;
// EXPECT_THAT(map_int, Contains(::std::pair<const int, size_t>(1, 100)));
//
// const char* user_ids[] = { "joe", "mike", "tom" };
// EXPECT_THAT(user_ids, Contains(::std::string("tom")));
MATCHER_P(Contains, element, "") {
return internal::Contains(arg, element);
}
} // namespace testing
#endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_MATCHERS_H_

41
include/gmock/gmock-generated-matchers.h.pump
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@ -590,4 +590,45 @@ $var param_field_decls2 = [[$for j
]]
namespace testing {
namespace internal {
// Returns true iff element is in the STL-style container.
template <typename Container, typename Element>
inline bool Contains(const Container& container, const Element& element) {
return ::std::find(container.begin(), container.end(), element) !=
container.end();
}
// Returns true iff element is in the C-style array.
template <typename ArrayElement, size_t N, typename Element>
inline bool Contains(const ArrayElement (&array)[N], const Element& element) {
return ::std::find(array, array + N, element) != array + N;
}
} // namespace internal
// Matches an STL-style container or a C-style array that contains the given
// element.
//
// Examples:
// ::std::set<int> page_ids;
// page_ids.insert(3);
// page_ids.insert(1);
// EXPECT_THAT(page_ids, Contains(1));
// EXPECT_THAT(page_ids, Contains(3.0));
// EXPECT_THAT(page_ids, Not(Contains(4)));
//
// ::std::map<int, size_t> page_lengths;
// page_lengths[1] = 100;
// EXPECT_THAT(map_int, Contains(::std::pair<const int, size_t>(1, 100)));
//
// const char* user_ids[] = { "joe", "mike", "tom" };
// EXPECT_THAT(user_ids, Contains(::std::string("tom")));
MATCHER_P(Contains, element, "") {
return internal::Contains(arg, element);
}
} // namespace testing
#endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_MATCHERS_H_

96
test/gmock-generated-matchers_test.cc
View File

@ -34,8 +34,11 @@
#include <gmock/gmock-generated-matchers.h>
#include <list>
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
#include <gmock/gmock.h>
@ -45,9 +48,13 @@
namespace {
using std::list;
using std::map;
using std::pair;
using std::set;
using std::stringstream;
using std::vector;
using testing::_;
using testing::Contains;
using testing::ElementsAre;
using testing::ElementsAreArray;
using testing::Eq;
@ -735,4 +742,93 @@ TEST(MatcherPnMacroTest, TypesAreCorrect) {
EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
}
TEST(ContainsTest, ListMatchesWhenElementIsInContainer) {
list<int> some_list;
some_list.push_back(3);
some_list.push_back(1);
some_list.push_back(2);
EXPECT_THAT(some_list, Contains(1));
EXPECT_THAT(some_list, Contains(3.0));
EXPECT_THAT(some_list, Contains(2.0f));
list<string> another_list;
another_list.push_back("fee");
another_list.push_back("fie");
another_list.push_back("foe");
another_list.push_back("fum");
EXPECT_THAT(another_list, Contains(string("fee")));
}
TEST(ContainsTest, ListDoesNotMatchWhenElementIsNotInContainer) {
list<int> some_list;
some_list.push_back(3);
some_list.push_back(1);
EXPECT_THAT(some_list, Not(Contains(4)));
}
TEST(ContainsTest, SetMatchesWhenElementIsInContainer) {
set<int> some_set;
some_set.insert(3);
some_set.insert(1);
some_set.insert(2);
EXPECT_THAT(some_set, Contains(1.0));
EXPECT_THAT(some_set, Contains(3.0f));
EXPECT_THAT(some_set, Contains(2));
set<const char*> another_set;
another_set.insert("fee");
another_set.insert("fie");
another_set.insert("foe");
another_set.insert("fum");
EXPECT_THAT(another_set, Contains(string("fum")));
}
TEST(ContainsTest, SetDoesNotMatchWhenElementIsNotInContainer) {
set<int> some_set;
some_set.insert(3);
some_set.insert(1);
EXPECT_THAT(some_set, Not(Contains(4)));
set<const char*> c_string_set;
c_string_set.insert("hello");
EXPECT_THAT(c_string_set, Not(Contains(string("hello").c_str())));
}
TEST(ContainsTest, DescribesItselfCorrectly) {
Matcher<vector<int> > m = Contains(1);
EXPECT_EQ("contains 1", Describe(m));
}
TEST(ContainsTest, MapMatchesWhenElementIsInContainer) {
map<const char*, int> my_map;
const char* bar = "a string";
my_map[bar] = 2;
EXPECT_THAT(my_map, Contains(pair<const char* const, int>(bar, 2)));
map<string, int> another_map;
another_map["fee"] = 1;
another_map["fie"] = 2;
another_map["foe"] = 3;
another_map["fum"] = 4;
EXPECT_THAT(another_map, Contains(pair<const string, int>(string("fee"), 1)));
EXPECT_THAT(another_map, Contains(pair<const string, int>("fie", 2)));
}
TEST(ContainsTest, MapDoesNotMatchWhenElementIsNotInContainer) {
map<int, int> some_map;
some_map[1] = 11;
some_map[2] = 22;
EXPECT_THAT(some_map, Not(Contains(pair<const int, int>(2, 23))));
}
TEST(ContainsTest, ArrayMatchesWhenElementIsInContainer) {
const char* string_array[] = { "fee", "fie", "foe", "fum" };
EXPECT_THAT(string_array, Contains(string("fum")));
}
TEST(ContainsTest, ArrayDoesNotMatchWhenElementIsNotInContainer) {
int int_array[] = { 1, 2, 3, 4 };
EXPECT_THAT(int_array, Not(Contains(5)));
}
} // namespace