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Fix std::move to std::forward where appropriate to support reference types.

PiperOrigin-RevId: 292923058
This commit is contained in:
Abseil Team 2020-02-03 11:16:38 -05:00 committed by Andy Getz
parent 74b44b2d0f
commit 4f6609129a
4 changed files with 68 additions and 34 deletions
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85
googlemock/include/gmock/gmock-generated-matchers.h
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@ -100,7 +100,7 @@
GTEST_REFERENCE_TO_CONST_(arg_type)> {\
public:\
explicit gmock_Impl(p0##_type gmock_p0)\
: p0(::std::move(gmock_p0)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -147,7 +147,8 @@
GTEST_REFERENCE_TO_CONST_(arg_type)> {\
public:\
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -197,8 +198,9 @@
GTEST_REFERENCE_TO_CONST_(arg_type)> {\
public:\
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -251,8 +253,10 @@
public:\
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
p3##_type gmock_p3)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -311,9 +315,11 @@
public:\
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
p3##_type gmock_p3, p4##_type gmock_p4)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)), \
p4(::std::move(gmock_p4)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)), \
p4(::std::forward<p4##_type>(gmock_p4)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -373,9 +379,12 @@
public:\
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)), \
p4(::std::move(gmock_p4)), p5(::std::move(gmock_p5)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)), \
p4(::std::forward<p4##_type>(gmock_p4)), \
p5(::std::forward<p5##_type>(gmock_p5)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -439,10 +448,13 @@
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
p6##_type gmock_p6)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)), \
p4(::std::move(gmock_p4)), p5(::std::move(gmock_p5)), \
p6(::std::move(gmock_p6)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)), \
p4(::std::forward<p4##_type>(gmock_p4)), \
p5(::std::forward<p5##_type>(gmock_p5)), \
p6(::std::forward<p6##_type>(gmock_p6)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -512,10 +524,14 @@
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
p6##_type gmock_p6, p7##_type gmock_p7)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)), \
p4(::std::move(gmock_p4)), p5(::std::move(gmock_p5)), \
p6(::std::move(gmock_p6)), p7(::std::move(gmock_p7)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)), \
p4(::std::forward<p4##_type>(gmock_p4)), \
p5(::std::forward<p5##_type>(gmock_p5)), \
p6(::std::forward<p6##_type>(gmock_p6)), \
p7(::std::forward<p7##_type>(gmock_p7)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -588,11 +604,15 @@
gmock_Impl(p0##_type gmock_p0, p1##_type gmock_p1, p2##_type gmock_p2, \
p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
p6##_type gmock_p6, p7##_type gmock_p7, p8##_type gmock_p8)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)), \
p4(::std::move(gmock_p4)), p5(::std::move(gmock_p5)), \
p6(::std::move(gmock_p6)), p7(::std::move(gmock_p7)), \
p8(::std::move(gmock_p8)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)), \
p4(::std::forward<p4##_type>(gmock_p4)), \
p5(::std::forward<p5##_type>(gmock_p5)), \
p6(::std::forward<p6##_type>(gmock_p6)), \
p7(::std::forward<p7##_type>(gmock_p7)), \
p8(::std::forward<p8##_type>(gmock_p8)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\
@ -669,11 +689,16 @@
p3##_type gmock_p3, p4##_type gmock_p4, p5##_type gmock_p5, \
p6##_type gmock_p6, p7##_type gmock_p7, p8##_type gmock_p8, \
p9##_type gmock_p9)\
: p0(::std::move(gmock_p0)), p1(::std::move(gmock_p1)), \
p2(::std::move(gmock_p2)), p3(::std::move(gmock_p3)), \
p4(::std::move(gmock_p4)), p5(::std::move(gmock_p5)), \
p6(::std::move(gmock_p6)), p7(::std::move(gmock_p7)), \
p8(::std::move(gmock_p8)), p9(::std::move(gmock_p9)) {}\
: p0(::std::forward<p0##_type>(gmock_p0)), \
p1(::std::forward<p1##_type>(gmock_p1)), \
p2(::std::forward<p2##_type>(gmock_p2)), \
p3(::std::forward<p3##_type>(gmock_p3)), \
p4(::std::forward<p4##_type>(gmock_p4)), \
p5(::std::forward<p5##_type>(gmock_p5)), \
p6(::std::forward<p6##_type>(gmock_p6)), \
p7(::std::forward<p7##_type>(gmock_p7)), \
p8(::std::forward<p8##_type>(gmock_p8)), \
p9(::std::forward<p9##_type>(gmock_p9)) {}\
bool MatchAndExplain(\
GTEST_REFERENCE_TO_CONST_(arg_type) arg,\
::testing::MatchResultListener* result_listener) const override;\

2
googlemock/include/gmock/gmock-generated-matchers.h.pump
View File

@ -63,7 +63,7 @@ $var template = [[$if i==0 [[]] $else [[
template <$for j, [[typename p$j##_type]]>\
]]]]
$var impl_ctor_param_list = [[$for j, [[p$j##_type gmock_p$j]]]]
$var impl_inits = [[$if i==0 [[]] $else [[ : $for j, [[p$j(::std::move(gmock_p$j))]]]]]]
$var impl_inits = [[$if i==0 [[]] $else [[ : $for j, [[p$j(::std::forward<p$j##_type>(gmock_p$j))]]]]]]
$var params = [[$for j, [[p$j]]]]
$var param_types = [[$if i==0 [[]] $else [[<$for j, [[p$j##_type]]>]]]]
$var param_types_and_names = [[$for j, [[p$j##_type p$j]]]]

6
googlemock/include/gmock/gmock-matchers.h
View File

@ -470,10 +470,12 @@ class MatcherBaseImpl<Derived<Ts...>> {
// conversions.
template <typename E = std::enable_if<sizeof...(Ts) == 1>,
typename E::type* = nullptr>
explicit MatcherBaseImpl(Ts... params) : params_(std::move(params)...) {}
explicit MatcherBaseImpl(Ts... params)
: params_(std::forward<Ts>(params)...) {}
template <typename E = std::enable_if<sizeof...(Ts) != 1>,
typename = typename E::type>
MatcherBaseImpl(Ts... params) : params_(std::move(params)...) {} // NOLINT
MatcherBaseImpl(Ts... params) // NOLINT
: params_(std::forward<Ts>(params)...) {}
template <typename F>
operator ::testing::Matcher<F>() const { // NOLINT(runtime/explicit)

9
googlemock/test/gmock-generated-matchers_test.cc
View File

@ -764,9 +764,16 @@ MATCHER_P2(ReferencesAnyOf, variable1, variable2, "") {
TEST(MatcherPnMacroTest, WorksWhenExplicitlyInstantiatedWithReferences) {
UncopyableFoo foo1('1'), foo2('2'), foo3('3');
const Matcher<const UncopyableFoo&> m =
const Matcher<const UncopyableFoo&> const_m =
ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2);
EXPECT_TRUE(const_m.Matches(foo1));
EXPECT_TRUE(const_m.Matches(foo2));
EXPECT_FALSE(const_m.Matches(foo3));
const Matcher<UncopyableFoo&> m =
ReferencesAnyOf<UncopyableFoo&, UncopyableFoo&>(foo1, foo2);
EXPECT_TRUE(m.Matches(foo1));
EXPECT_TRUE(m.Matches(foo2));
EXPECT_FALSE(m.Matches(foo3));