object-introspection/test/test_alignment_calc.cpp
Alastair Robertson e86ebb7aff TypeGraph: Support bitfields
- Change member and parent offsets to work in bits, not bytes
- Printer still displays offsets in bytes, with decimals when using
  bitfields
- AddPadding: Don't pad bitfields
- CodeGen: Emit code for bitfields
2023-07-05 13:23:23 +01:00

84 lines
2.8 KiB
C++

#include <gtest/gtest.h>
#include "oi/type_graph/AlignmentCalc.h"
#include "test/type_graph_utils.h"
using namespace type_graph;
TEST(AlignmentCalcTest, PrimitiveMembers) {
auto myclass = Class{Class::Kind::Class, "MyClass", 16};
auto myint8 = Primitive{Primitive::Kind::Int8};
auto myint64 = Primitive{Primitive::Kind::Int64};
myclass.members.push_back(Member(&myint8, "n", 0));
myclass.members.push_back(Member(&myint64, "n", 8 * 8));
test(AlignmentCalc::createPass(), {myclass}, R"(
[0] Class: MyClass (size: 16, align: 8)
Member: n (offset: 0, align: 1)
Primitive: int8_t
Member: n (offset: 8, align: 8)
Primitive: int64_t
)");
}
TEST(AlignmentCalcTest, StructMembers) {
auto mystruct = Class{Class::Kind::Struct, "MyStruct", 8};
auto myint32 = Primitive{Primitive::Kind::Int32};
mystruct.members.push_back(Member(&myint32, "n1", 0));
mystruct.members.push_back(Member(&myint32, "n2", 4 * 8));
auto myclass = Class{Class::Kind::Class, "MyClass", 12};
auto myint8 = Primitive{Primitive::Kind::Int8};
myclass.members.push_back(Member(&myint8, "n", 0));
myclass.members.push_back(Member(&mystruct, "s", 4 * 8));
test(AlignmentCalc::createPass(), {myclass}, R"(
[0] Class: MyClass (size: 12, align: 4)
Member: n (offset: 0, align: 1)
Primitive: int8_t
Member: s (offset: 4, align: 4)
[1] Struct: MyStruct (size: 8, align: 4)
Member: n1 (offset: 0, align: 4)
Primitive: int32_t
Member: n2 (offset: 4, align: 4)
Primitive: int32_t
)");
}
TEST(AlignmentCalcTest, StructInContainer) {
auto myclass = Class{Class::Kind::Class, "MyClass", 16};
auto myint8 = Primitive{Primitive::Kind::Int8};
auto myint64 = Primitive{Primitive::Kind::Int64};
myclass.members.push_back(Member(&myint8, "n", 0));
myclass.members.push_back(Member(&myint64, "n", 8 * 8));
auto mycontainer = Container{ContainerInfo{}, 8};
mycontainer.templateParams.push_back(&myclass);
test(AlignmentCalc::createPass(), {mycontainer}, R"(
[0] Container: (size: 8)
Param
[1] Class: MyClass (size: 16, align: 8)
Member: n (offset: 0, align: 1)
Primitive: int8_t
Member: n (offset: 8, align: 8)
Primitive: int64_t
)");
}
TEST(AlignmentCalcTest, Packed) {
auto mystruct = Class{Class::Kind::Struct, "MyStruct", 9};
auto myint8 = Primitive{Primitive::Kind::Int8};
auto myint64 = Primitive{Primitive::Kind::Int64};
mystruct.members.push_back(Member(&myint8, "n1", 0));
mystruct.members.push_back(Member(&myint64, "n2", 1 * 8));
test(AlignmentCalc::createPass(), {mystruct}, R"(
[0] Struct: MyStruct (size: 9, align: 8, packed)
Member: n1 (offset: 0, align: 1)
Primitive: int8_t
Member: n2 (offset: 1, align: 8)
Primitive: int64_t
)");
}