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I like static_cast

This commit is contained in:
rusefi 2019-06-17 10:22:43 -04:00
parent 3d4b8617d4
commit 7d65295c6a
1 changed files with 6 additions and 0 deletions
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6
unit_tests/tests/test_cpp_memory_layout.cpp
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@ -70,7 +70,13 @@ TEST(misc, cppVirtualStructMemoryLayout) {
memcpy(&destimationInt, &c, 4); memcpy(&destimationInt, &c, 4);
ASSERT_NE(540, destimationInt); ASSERT_NE(540, destimationInt);
// static_cast is smart to skip the vtable, we like static_cast
TestParent *parent = static_cast<TestParent*>(&c);
ASSERT_EQ(0, (int)&c.field0 - (int)parent);
ASSERT_EQ(MAGIC_VTABLE_SIZE, (int)&c.field0 - (int)&c); ASSERT_EQ(MAGIC_VTABLE_SIZE, (int)&c.field0 - (int)&c);
} }
TEST(misc, cppPlainExtraFieldsStructMemoryLayout) { TEST(misc, cppPlainExtraFieldsStructMemoryLayout) {