Tools/TestWebKitAPI/Tests/WebCore/mac/GPUFunction.mm

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#import "config.h"

#if ENABLE(WEBGPU)

#import "GPUTest.h"
#import <Metal/Metal.h>
#import <WebCore/GPUDevice.h>
#import <WebCore/GPUFunction.h>
#import <WebCore/GPULibrary.h>

using namespace WebCore;

namespace TestWebKitAPI {

TEST_F(GPU, FunctionAccessByName)
{
    auto device = GPUDevice::create();
    // Not all hardware supports Metal, so it is possible
    // that we were unable to create the MTLDevice object.
    // In that case, the device should be null.
    if (!device)
        return;

    id<MTLDevice> mtlDevice = (id<MTLDevice>)device->platformDevice();
    EXPECT_NOT_NULL(mtlDevice);

    auto library = device->createLibrary(librarySourceCode());
    EXPECT_NOT_NULL(library);

    auto vertexFunction = library->functionWithName("vertex_main");
    EXPECT_NOT_NULL(vertexFunction);
    EXPECT_EQ("vertex_main", vertexFunction->name());

    auto fragmentFunction = library->functionWithName("fragment_main");
    EXPECT_NOT_NULL(fragmentFunction);
    EXPECT_EQ("fragment_main", fragmentFunction->name());

    auto nonExistentFunction = library->functionWithName("name_that_is_not_in_library");
    EXPECT_NULL(nonExistentFunction);
}

} // namespace TestWebKitAPI

#endif