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Converts more matchers to the new API; fixes MatchAndExplain() for polymorphic matchers to allow non-const reference arguments.

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This commit is contained in:
zhanyong.wan 2010-01-12 09:03:52 +00:00
parent 821133180c
commit e122e457a6
1 changed files with 95 additions and 48 deletions
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143
include/gmock/gmock-matchers.h
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@ -265,10 +265,11 @@ inline void ExplainMatchResultTo(const PolymorphicMatcherImpl& /* impl */,
}
// The default implementation of MatchAndExplain() for polymorphic
// matchers.
// matchers. The type of argument x cannot be const T&, in case
// impl.Matches() takes a non-const reference.
template <typename PolymorphicMatcherImpl, typename T>
inline bool MatchAndExplain(const PolymorphicMatcherImpl& impl,
const T& x,
T& x,
MatchResultListener* listener) {
const bool match = impl.Matches(x);
@ -789,6 +790,12 @@ class IsNullMatcher {
}
};
template <typename Pointer>
bool MatchAndExplain(const IsNullMatcher& impl, Pointer& p,
MatchResultListener* /* listener */) {
return impl.Matches(p);
}
// Implements the polymorphic NotNull() matcher, which matches any raw or smart
// pointer that is not NULL.
class NotNullMatcher {
@ -802,6 +809,12 @@ class NotNullMatcher {
}
};
template <typename Pointer>
bool MatchAndExplain(const NotNullMatcher& impl, Pointer& p,
MatchResultListener* /* listener */) {
return impl.Matches(p);
}
// Ref(variable) matches any argument that is a reference to
// 'variable'. This matcher is polymorphic as it can match any
// super type of the type of 'variable'.
@ -964,6 +977,12 @@ class StrEqualityMatcher {
GTEST_DISALLOW_ASSIGN_(StrEqualityMatcher);
};
template <typename StringType, typename T>
bool MatchAndExplain(const StrEqualityMatcher<StringType>& impl, T& s,
MatchResultListener* /* listener */) {
return impl.Matches(s);
}
// Implements the polymorphic HasSubstr(substring) matcher, which
// can be used as a Matcher<T> as long as T can be converted to a
// string.
@ -1003,6 +1022,12 @@ class HasSubstrMatcher {
GTEST_DISALLOW_ASSIGN_(HasSubstrMatcher);
};
template <typename StringType, typename T>
bool MatchAndExplain(const HasSubstrMatcher<StringType>& impl, T& s,
MatchResultListener* /* listener */) {
return impl.Matches(s);
}
// Implements the polymorphic StartsWith(substring) matcher, which
// can be used as a Matcher<T> as long as T can be converted to a
// string.
@ -1042,6 +1067,12 @@ class StartsWithMatcher {
GTEST_DISALLOW_ASSIGN_(StartsWithMatcher);
};
template <typename StringType, typename T>
bool MatchAndExplain(const StartsWithMatcher<StringType>& impl, T& s,
MatchResultListener* /* listener */) {
return impl.Matches(s);
}
// Implements the polymorphic EndsWith(substring) matcher, which
// can be used as a Matcher<T> as long as T can be converted to a
// string.
@ -1080,6 +1111,12 @@ class EndsWithMatcher {
GTEST_DISALLOW_ASSIGN_(EndsWithMatcher);
};
template <typename StringType, typename T>
bool MatchAndExplain(const EndsWithMatcher<StringType>& impl, T& s,
MatchResultListener* /* listener */) {
return impl.Matches(s);
}
#if GMOCK_HAS_REGEX
// Implements polymorphic matchers MatchesRegex(regex) and
@ -1122,6 +1159,12 @@ class MatchesRegexMatcher {
GTEST_DISALLOW_ASSIGN_(MatchesRegexMatcher);
};
template <typename T>
bool MatchAndExplain(const MatchesRegexMatcher& impl, T& s,
MatchResultListener* /* listener */) {
return impl.Matches(s);
}
#endif // GMOCK_HAS_REGEX
// Implements a matcher that compares the two fields of a 2-tuple
@ -1425,6 +1468,12 @@ class TrulyMatcher {
GTEST_DISALLOW_ASSIGN_(TrulyMatcher);
};
template <typename Predicate, typename T>
bool MatchAndExplain(const TrulyMatcher<Predicate>& impl, T& x,
MatchResultListener* /* listener */) {
return impl.Matches(x);
}
// Used for implementing Matches(matcher), which turns a matcher into
// a predicate.
template <typename M>
@ -1733,7 +1782,7 @@ class FieldMatcher {
template <typename Class, typename FieldType, typename T>
bool MatchAndExplain(const FieldMatcher<Class, FieldType>& matcher,
const T& value, MatchResultListener* listener) {
T& value, MatchResultListener* listener) {
return matcher.MatchAndExplain(
typename ::testing::internal::is_pointer<T>::type(), value, listener);
}
@ -1798,7 +1847,7 @@ class PropertyMatcher {
template <typename Class, typename PropertyType, typename T>
bool MatchAndExplain(const PropertyMatcher<Class, PropertyType>& matcher,
const T& value, MatchResultListener* listener) {
T& value, MatchResultListener* listener) {
return matcher.MatchAndExplain(
typename ::testing::internal::is_pointer<T>::type(), value, listener);
}
@ -1933,15 +1982,6 @@ class ContainerEqMatcher {
GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container))>();
}
template <typename LhsContainer>
bool Matches(const LhsContainer& lhs) const {
// GMOCK_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug
// that causes LhsContainer to be a const type sometimes.
typedef internal::StlContainerView<GMOCK_REMOVE_CONST_(LhsContainer)>
LhsView;
StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs);
return lhs_stl_container == rhs_;
}
void DescribeTo(::std::ostream* os) const {
*os << "equals ";
UniversalPrinter<StlContainer>::Print(rhs_, os);
@ -1952,48 +1992,55 @@ class ContainerEqMatcher {
}
template <typename LhsContainer>
void ExplainMatchResultTo(const LhsContainer& lhs,
::std::ostream* os) const {
bool MatchAndExplain(const LhsContainer& lhs,
MatchResultListener* listener) const {
// GMOCK_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug
// that causes LhsContainer to be a const type sometimes.
typedef internal::StlContainerView<GMOCK_REMOVE_CONST_(LhsContainer)>
LhsView;
typedef typename LhsView::type LhsStlContainer;
StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs);
if (lhs_stl_container == rhs_)
return true;
// Something is different. Check for missing values first.
bool printed_header = false;
for (typename LhsStlContainer::const_iterator it =
lhs_stl_container.begin();
it != lhs_stl_container.end(); ++it) {
if (internal::ArrayAwareFind(rhs_.begin(), rhs_.end(), *it) ==
rhs_.end()) {
if (printed_header) {
*os << ", ";
} else {
*os << "Only in actual: ";
printed_header = true;
::std::ostream* const os = listener->stream();
if (os != NULL) {
// Something is different. Check for missing values first.
bool printed_header = false;
for (typename LhsStlContainer::const_iterator it =
lhs_stl_container.begin();
it != lhs_stl_container.end(); ++it) {
if (internal::ArrayAwareFind(rhs_.begin(), rhs_.end(), *it) ==
rhs_.end()) {
if (printed_header) {
*os << ", ";
} else {
*os << "Only in actual: ";
printed_header = true;
}
UniversalPrinter<typename LhsStlContainer::value_type>::Print(*it, os);
}
}
// Now check for extra values.
bool printed_header2 = false;
for (typename StlContainer::const_iterator it = rhs_.begin();
it != rhs_.end(); ++it) {
if (internal::ArrayAwareFind(
lhs_stl_container.begin(), lhs_stl_container.end(), *it) ==
lhs_stl_container.end()) {
if (printed_header2) {
*os << ", ";
} else {
*os << (printed_header ? "; not" : "Not") << " in actual: ";
printed_header2 = true;
}
UniversalPrinter<typename StlContainer::value_type>::Print(*it, os);
}
UniversalPrinter<typename LhsStlContainer::value_type>::Print(*it, os);
}
}
// Now check for extra values.
bool printed_header2 = false;
for (typename StlContainer::const_iterator it = rhs_.begin();
it != rhs_.end(); ++it) {
if (internal::ArrayAwareFind(
lhs_stl_container.begin(), lhs_stl_container.end(), *it) ==
lhs_stl_container.end()) {
if (printed_header2) {
*os << ", ";
} else {
*os << (printed_header ? "; not" : "Not") << " in actual: ";
printed_header2 = true;
}
UniversalPrinter<typename StlContainer::value_type>::Print(*it, os);
}
}
return false;
}
private:
@ -2003,10 +2050,10 @@ class ContainerEqMatcher {
};
template <typename LhsContainer, typename Container>
void ExplainMatchResultTo(const ContainerEqMatcher<Container>& matcher,
const LhsContainer& lhs,
::std::ostream* os) {
matcher.ExplainMatchResultTo(lhs, os);
bool MatchAndExplain(const ContainerEqMatcher<Container>& matcher,
LhsContainer& lhs,
MatchResultListener* listener) {
return matcher.MatchAndExplain(lhs, listener);
}
// Implements Contains(element_matcher) for the given argument type Container.