1 files changed, 37 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/unary/i32_arithmetic.spec.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/unary/i32_arithmetic.spec.ts
new file mode 100644
index 0000000000..14519b8967
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/unary/i32_arithmetic.spec.ts
@@ -0,0 +1,37 @@
+export const description = `
+Execution Tests for the i32 arithmetic unary expression operations
+`;
+
+import { makeTestGroup } from '../../../../../common/framework/test_group.js';
+import { GPUTest } from '../../../../gpu_test.js';
+import { i32, TypeI32 } from '../../../../util/conversion.js';
+import { fullI32Range } from '../../../../util/math.js';
+import { makeCaseCache } from '../case_cache.js';
+import { allInputSources, run } from '../expression.js';
+
+import { unary } from './unary.js';
+
+export const g = makeTestGroup(GPUTest);
+
+export const d = makeCaseCache('unary/i32_arithmetic', {
+  negation: () => {
+    return fullI32Range().map(e => {
+      return { input: i32(e), expected: i32(-e) };
+    });
+  },
+});
+
+g.test('negation')
+  .specURL('https://www.w3.org/TR/WGSL/#floating-point-evaluation')
+  .desc(
+    `
+Expression: -x
+`
+  )
+  .params(u =>
+    u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
+  )
+  .fn(async t => {
+    const cases = await d.get('negation');
+    await run(t, unary('-'), [TypeI32], TypeI32, t.params, cases);
+  });