<!DOCTYPE html>
<html>
<meta charset=utf-8>
<title>Test shader validation.</title>
<script src="js/webgpu-functions.js"></script>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script>
const shaders = `
#include <metal_stdlib>
    
using namespace metal;

struct Vertex
{
    float4 position [[position]];
};

vertex Vertex vertex_main()
{
    return Vertex { float4(0, 0, 0, 1) };
}

fragment float4 fragment_main(Vertex vertexIn [[stage_in]])
{
    return vertexIn.position;
}
`

promise_test(() => {
    return getBasicDevice().then(function(device) {
        let shaderModule = device.createShaderModule({ code: shaders });
        assert_true(shaderModule instanceof GPUShaderModule, "Shader module created successfully.");
    }, function() {
    });
}, "Test shader code validation when creating modules.");
</script>
</html>