| // RUN: %target-build-swift %s -import-objc-header %S/Inputs/unions-and-bitfields.h -disable-bridging-pch -o %t |
| // RUN: %target-codesign %t |
| // RUN: %target-run %t |
| // REQUIRES: executable_test |
| |
| // The -disable-bridging-pch above isn't actually relevant to the test; however, |
| // precompiled headers don't play nice with the way we include the platform |
| // module map on non-Apple platforms. See |
| // https://bugs.llvm.org/show_bug.cgi?id=36245. |
| |
| import StdlibUnittest |
| |
| var suite = TestSuite("UnionsAndBitfields") |
| |
| suite.test("PlainUnion") { |
| var x = PlainUnion() |
| populate(&x) |
| expectEqual(0x11223344, x.whole) |
| expectTrue(x.first == 0x11 || x.first == 0x44) |
| } |
| |
| suite.test("PlainBitfield") { |
| var x = PlainBitfield() |
| populateAtOffset(&x) |
| expectTrue(x.first == 0x11 || x.first == 0x44) |
| } |
| |
| suite.test("PlainIndirect") { |
| var x = PlainIndirect() |
| populateAtOffset(&x) |
| expectEqual(0x11223344, x.whole) |
| } |
| |
| suite.test("BitfieldUnion") { |
| var x = BitfieldUnion() |
| populate(&x) |
| expectEqual(0x11223344, x.whole) |
| expectTrue(x.first == 0x11 || x.first == 0x44) |
| } |
| |
| suite.test("BitfieldIndirect") { |
| var x = BitfieldIndirect() |
| populateAtOffset(&x) |
| expectTrue(x.first == 0x11 || x.first == 0x44) |
| } |
| |
| suite.test("UnionIndirect") { |
| var x = UnionIndirect() |
| populateAtOffset(&x) |
| expectEqual(0x11223344, x.whole) |
| expectTrue(x.first == 0x11 || x.first == 0x44) |
| } |
| |
| suite.test("BitfieldUnionIndirect") { |
| var x = BitfieldUnionIndirect() |
| populateAtOffset(&x) |
| expectEqual(0x11223344, x.whole) |
| expectTrue(x.first == 0x11 || x.first == 0x44) |
| } |
| |
| runAllTests() |