| <!DOCTYPE html> |
| <html> |
| <meta charset=utf-8> |
| <meta name="timeout" content="long"> |
| <title>Test override subscripts.</title> |
| <script src="js/whlsl-test-harness.js"></script> |
| <script src="js/webgpu-functions.js"></script> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| const whlslTests = {}; |
| |
| whlslTests.overrideSubscriptStruct = async () => |
| { |
| let program = ` |
| struct Foo { |
| int x; |
| int y; |
| } |
| thread int* operator&[](thread Foo* foo, uint index) |
| { |
| if (index == 0) |
| return &foo->x; |
| if (index == 1) |
| return &foo->y; |
| return null; |
| } |
| int foo() |
| { |
| Foo foo; |
| foo.x = 498; |
| foo.y = 19; |
| return foo[0] + foo[1] * 3; |
| } |
| `; |
| assert_equals(await callIntFunction(program, "foo", []), 498 + 19 * 3); |
| } |
| |
| whlslTests.overrideSubscriptStructAndDoStores = async () => |
| { |
| let program = ` |
| struct Foo { |
| int x; |
| int y; |
| } |
| thread int* operator&[](thread Foo* foo, uint index) |
| { |
| if (index == 0) |
| return &foo->x; |
| if (index == 1) |
| return &foo->y; |
| return null; |
| } |
| int foo() |
| { |
| Foo foo; |
| foo[0] = 498; |
| foo[1] = 19; |
| return foo.x + foo.y; |
| } |
| `; |
| assert_equals(await callIntFunction(program, "foo", []), 498 + 19); |
| } |
| |
| whlslTests.overrideSubscriptStructAndUsePointers = async () => |
| { |
| let program = ` |
| struct Foo { |
| int x; |
| int y; |
| } |
| thread int* operator&[](thread Foo* foo, uint index) |
| { |
| if (index == 0) |
| return &foo->x; |
| if (index == 1) |
| return &foo->y; |
| return null; |
| } |
| int bar(thread Foo* foo) |
| { |
| return (*foo)[0] + (*foo)[1]; |
| } |
| int foo() |
| { |
| Foo foo; |
| foo.x = 498; |
| foo.y = 19; |
| return bar(&foo); |
| } |
| `; |
| assert_equals(await callIntFunction(program, "foo", []), 498 + 19); |
| } |
| |
| whlslTests.overrideSubscriptStructAndUsePointersIncorrectly = async () => |
| { |
| checkFail( |
| ` |
| struct Foo { |
| int x; |
| int y; |
| } |
| thread int* operator&[](thread Foo* foo, uint index) |
| { |
| if (index == 0) |
| return &foo->x; |
| if (index == 1) |
| return &foo->y; |
| return null; |
| } |
| int bar(thread Foo* foo) |
| { |
| return foo[0] + foo[1]; |
| } |
| int foo() |
| { |
| Foo foo; |
| foo.x = 498; |
| foo.y = 19; |
| return bar(&foo); |
| } |
| `); |
| } |
| |
| runTests(whlslTests); |
| </script> |
| </html> |
| |
