src/dawn/tests/unittests/DefaultTests.cpp

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#include "dawn/webgpu.h"
#include "dawn/webgpu_cpp.h"
#include "gtest/gtest.h"

// Test that the C init structs match the C++ default values
TEST(DefaultTests, CMatchesCpp) {
    // Test render pipeline descriptor.
    // It's non-trivial and has nested structs too.
    wgpu::RenderPipelineDescriptor cppDesc = {};
    WGPURenderPipelineDescriptor cDesc = WGPU_RENDER_PIPELINE_DESCRIPTOR_INIT;

    EXPECT_EQ(cppDesc.primitive.topology,
              static_cast<wgpu::PrimitiveTopology>(cDesc.primitive.topology));
    EXPECT_EQ(cppDesc.primitive.stripIndexFormat,
              static_cast<wgpu::IndexFormat>(cDesc.primitive.stripIndexFormat));
    EXPECT_EQ(cppDesc.primitive.frontFace, static_cast<wgpu::FrontFace>(cDesc.primitive.frontFace));
    EXPECT_EQ(cppDesc.primitive.cullMode, static_cast<wgpu::CullMode>(cDesc.primitive.cullMode));
    EXPECT_EQ(cppDesc.multisample.count, cDesc.multisample.count);
    EXPECT_EQ(cppDesc.multisample.mask, cDesc.multisample.mask);
    EXPECT_EQ(cppDesc.multisample.alphaToCoverageEnabled, cDesc.multisample.alphaToCoverageEnabled);
}