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Diffstat (limited to 'googletest/test/googletest-tuple-test.cc')
-rw-r--r-- | googletest/test/googletest-tuple-test.cc | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/googletest/test/googletest-tuple-test.cc b/googletest/test/googletest-tuple-test.cc deleted file mode 100644 index 7a5bf42..0000000 --- a/googletest/test/googletest-tuple-test.cc +++ /dev/null @@ -1,319 +0,0 @@ -// Copyright 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -#include "gtest/internal/gtest-tuple.h" -#include <utility> -#include "gtest/gtest.h" - -namespace { - -using ::std::tr1::get; -using ::std::tr1::make_tuple; -using ::std::tr1::tuple; -using ::std::tr1::tuple_element; -using ::std::tr1::tuple_size; -using ::testing::StaticAssertTypeEq; - -// Tests that tuple_element<K, tuple<T0, T1, ..., TN> >::type returns TK. -TEST(tuple_element_Test, ReturnsElementType) { - StaticAssertTypeEq<int, tuple_element<0, tuple<int, char> >::type>(); - StaticAssertTypeEq<int&, tuple_element<1, tuple<double, int&> >::type>(); - StaticAssertTypeEq<bool, tuple_element<2, tuple<double, int, bool> >::type>(); -} - -// Tests that tuple_size<T>::value gives the number of fields in tuple -// type T. -TEST(tuple_size_Test, ReturnsNumberOfFields) { - EXPECT_EQ(0, +tuple_size<tuple<> >::value); - EXPECT_EQ(1, +tuple_size<tuple<void*> >::value); - EXPECT_EQ(1, +tuple_size<tuple<char> >::value); - EXPECT_EQ(1, +(tuple_size<tuple<tuple<int, double> > >::value)); - EXPECT_EQ(2, +(tuple_size<tuple<int&, const char> >::value)); - EXPECT_EQ(3, +(tuple_size<tuple<char*, void, const bool&> >::value)); -} - -// Tests comparing a tuple with itself. -TEST(ComparisonTest, ComparesWithSelf) { - const tuple<int, char, bool> a(5, 'a', false); - - EXPECT_TRUE(a == a); - EXPECT_FALSE(a != a); -} - -// Tests comparing two tuples with the same value. -TEST(ComparisonTest, ComparesEqualTuples) { - const tuple<int, bool> a(5, true), b(5, true); - - EXPECT_TRUE(a == b); - EXPECT_FALSE(a != b); -} - -// Tests comparing two different tuples that have no reference fields. -TEST(ComparisonTest, ComparesUnequalTuplesWithoutReferenceFields) { - typedef tuple<const int, char> FooTuple; - - const FooTuple a(0, 'x'); - const FooTuple b(1, 'a'); - - EXPECT_TRUE(a != b); - EXPECT_FALSE(a == b); - - const FooTuple c(1, 'b'); - - EXPECT_TRUE(b != c); - EXPECT_FALSE(b == c); -} - -// Tests comparing two different tuples that have reference fields. -TEST(ComparisonTest, ComparesUnequalTuplesWithReferenceFields) { - typedef tuple<int&, const char&> FooTuple; - - int i = 5; - const char ch = 'a'; - const FooTuple a(i, ch); - - int j = 6; - const FooTuple b(j, ch); - - EXPECT_TRUE(a != b); - EXPECT_FALSE(a == b); - - j = 5; - const char ch2 = 'b'; - const FooTuple c(j, ch2); - - EXPECT_TRUE(b != c); - EXPECT_FALSE(b == c); -} - -// Tests that a tuple field with a reference type is an alias of the -// variable it's supposed to reference. -TEST(ReferenceFieldTest, IsAliasOfReferencedVariable) { - int n = 0; - tuple<bool, int&> t(true, n); - - n = 1; - EXPECT_EQ(n, get<1>(t)) - << "Changing a underlying variable should update the reference field."; - - // Makes sure that the implementation doesn't do anything funny with - // the & operator for the return type of get<>(). - EXPECT_EQ(&n, &(get<1>(t))) - << "The address of a reference field should equal the address of " - << "the underlying variable."; - - get<1>(t) = 2; - EXPECT_EQ(2, n) - << "Changing a reference field should update the underlying variable."; -} - -// Tests that tuple's default constructor default initializes each field. -// This test needs to compile without generating warnings. -TEST(TupleConstructorTest, DefaultConstructorDefaultInitializesEachField) { - // The TR1 report requires that tuple's default constructor default - // initializes each field, even if it's a primitive type. If the - // implementation forgets to do this, this test will catch it by - // generating warnings about using uninitialized variables (assuming - // a decent compiler). - - tuple<> empty; - - tuple<int> a1, b1; - b1 = a1; - EXPECT_EQ(0, get<0>(b1)); - - tuple<int, double> a2, b2; - b2 = a2; - EXPECT_EQ(0, get<0>(b2)); - EXPECT_EQ(0.0, get<1>(b2)); - - tuple<double, char, bool*> a3, b3; - b3 = a3; - EXPECT_EQ(0.0, get<0>(b3)); - EXPECT_EQ('\0', get<1>(b3)); - EXPECT_TRUE(get<2>(b3) == nullptr); - - tuple<int, int, int, int, int, int, int, int, int, int> a10, b10; - b10 = a10; - EXPECT_EQ(0, get<0>(b10)); - EXPECT_EQ(0, get<1>(b10)); - EXPECT_EQ(0, get<2>(b10)); - EXPECT_EQ(0, get<3>(b10)); - EXPECT_EQ(0, get<4>(b10)); - EXPECT_EQ(0, get<5>(b10)); - EXPECT_EQ(0, get<6>(b10)); - EXPECT_EQ(0, get<7>(b10)); - EXPECT_EQ(0, get<8>(b10)); - EXPECT_EQ(0, get<9>(b10)); -} - -// Tests constructing a tuple from its fields. -TEST(TupleConstructorTest, ConstructsFromFields) { - int n = 1; - // Reference field. - tuple<int&> a(n); - EXPECT_EQ(&n, &(get<0>(a))); - - // Non-reference fields. - tuple<int, char> b(5, 'a'); - EXPECT_EQ(5, get<0>(b)); - EXPECT_EQ('a', get<1>(b)); - - // Const reference field. - const int m = 2; - tuple<bool, const int&> c(true, m); - EXPECT_TRUE(get<0>(c)); - EXPECT_EQ(&m, &(get<1>(c))); -} - -// Tests tuple's copy constructor. -TEST(TupleConstructorTest, CopyConstructor) { - tuple<double, bool> a(0.0, true); - tuple<double, bool> b(a); - - EXPECT_DOUBLE_EQ(0.0, get<0>(b)); - EXPECT_TRUE(get<1>(b)); -} - -// Tests constructing a tuple from another tuple that has a compatible -// but different type. -TEST(TupleConstructorTest, ConstructsFromDifferentTupleType) { - tuple<int, int, char> a(0, 1, 'a'); - tuple<double, long, int> b(a); - - EXPECT_DOUBLE_EQ(0.0, get<0>(b)); - EXPECT_EQ(1, get<1>(b)); - EXPECT_EQ('a', get<2>(b)); -} - -// Tests constructing a 2-tuple from an std::pair. -TEST(TupleConstructorTest, ConstructsFromPair) { - ::std::pair<int, char> a(1, 'a'); - tuple<int, char> b(a); - tuple<int, const char&> c(a); -} - -// Tests assigning a tuple to another tuple with the same type. -TEST(TupleAssignmentTest, AssignsToSameTupleType) { - const tuple<int, long> a(5, 7L); - tuple<int, long> b; - b = a; - EXPECT_EQ(5, get<0>(b)); - EXPECT_EQ(7L, get<1>(b)); -} - -// Tests assigning a tuple to another tuple with a different but -// compatible type. -TEST(TupleAssignmentTest, AssignsToDifferentTupleType) { - const tuple<int, long, bool> a(1, 7L, true); - tuple<long, int, bool> b; - b = a; - EXPECT_EQ(1L, get<0>(b)); - EXPECT_EQ(7, get<1>(b)); - EXPECT_TRUE(get<2>(b)); -} - -// Tests assigning an std::pair to a 2-tuple. -TEST(TupleAssignmentTest, AssignsFromPair) { - const ::std::pair<int, bool> a(5, true); - tuple<int, bool> b; - b = a; - EXPECT_EQ(5, get<0>(b)); - EXPECT_TRUE(get<1>(b)); - - tuple<long, bool> c; - c = a; - EXPECT_EQ(5L, get<0>(c)); - EXPECT_TRUE(get<1>(c)); -} - -// A fixture for testing big tuples. -class BigTupleTest : public testing::Test { - protected: - typedef tuple<int, int, int, int, int, int, int, int, int, int> BigTuple; - - BigTupleTest() : - a_(1, 0, 0, 0, 0, 0, 0, 0, 0, 2), - b_(1, 0, 0, 0, 0, 0, 0, 0, 0, 3) {} - - BigTuple a_, b_; -}; - -// Tests constructing big tuples. -TEST_F(BigTupleTest, Construction) { - BigTuple a; - BigTuple b(b_); -} - -// Tests that get<N>(t) returns the N-th (0-based) field of tuple t. -TEST_F(BigTupleTest, get) { - EXPECT_EQ(1, get<0>(a_)); - EXPECT_EQ(2, get<9>(a_)); - - // Tests that get() works on a const tuple too. - const BigTuple a(a_); - EXPECT_EQ(1, get<0>(a)); - EXPECT_EQ(2, get<9>(a)); -} - -// Tests comparing big tuples. -TEST_F(BigTupleTest, Comparisons) { - EXPECT_TRUE(a_ == a_); - EXPECT_FALSE(a_ != a_); - - EXPECT_TRUE(a_ != b_); - EXPECT_FALSE(a_ == b_); -} - -TEST(MakeTupleTest, WorksForScalarTypes) { - tuple<bool, int> a; - a = make_tuple(true, 5); - EXPECT_TRUE(get<0>(a)); - EXPECT_EQ(5, get<1>(a)); - - tuple<char, int, long> b; - b = make_tuple('a', 'b', 5); - EXPECT_EQ('a', get<0>(b)); - EXPECT_EQ('b', get<1>(b)); - EXPECT_EQ(5, get<2>(b)); -} - -TEST(MakeTupleTest, WorksForPointers) { - int a[] = { 1, 2, 3, 4 }; - const char* const str = "hi"; - int* const p = a; - - tuple<const char*, int*> t; - t = make_tuple(str, p); - EXPECT_EQ(str, get<0>(t)); - EXPECT_EQ(p, get<1>(t)); -} - -} // namespace |