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Test move assignment in Array.

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Victor Zverovich 2014-04-26 06:49:22 -07:00
parent 3bb9941e37
commit 515fd5218a
1 changed files with 30 additions and 0 deletions
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30
format-test.cc
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@ -237,6 +237,36 @@ TEST(ArrayTest, MoveCtor) {
EXPECT_GT(array2.capacity(), 5); EXPECT_GT(array2.capacity(), 5);
} }
void CheckMoveAssignArray(const char *str, Array<char, 5> &array) {
Array<char, 5> array2;
array2 = std::move(array);
// Move shouldn't destroy the inline content of the first array.
EXPECT_EQ(str, std::string(&array[0], array.size()));
EXPECT_EQ(str, std::string(&array2[0], array2.size()));
EXPECT_EQ(5, array2.capacity());
}
TEST(ArrayTest, MoveAssignment) {
Array<char, 5> array;
const char test[] = "test";
array.append(test, test + 4);
CheckMoveAssignArray("test", array);
// Adding one more character fills the inline buffer, but doesn't cause
// dynamic allocation.
array.push_back('a');
CheckMoveAssignArray("testa", array);
const char *inline_buffer_ptr = &array[0];
// Adding one more character causes the content to move from the inline to
// a dynamically allocated buffer.
array.push_back('b');
Array<char, 5> array2;
array2 = std::move(array);
// Move should rip the guts of the first array.
EXPECT_EQ(inline_buffer_ptr, &array[0]);
EXPECT_EQ("testab", std::string(&array2[0], array2.size()));
EXPECT_GT(array2.capacity(), 5);
}
#endif // FMT_USE_RVALUE_REFERENCES #endif // FMT_USE_RVALUE_REFERENCES
TEST(ArrayTest, Access) { TEST(ArrayTest, Access) {