1 files changed, 48 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/parse/unary_ops.spec.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/parse/unary_ops.spec.ts
new file mode 100644
index 0000000000..d1963864c3
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/parse/unary_ops.spec.ts
@@ -0,0 +1,48 @@
+export const description = `Validation tests for unary ops`;
+
+import { makeTestGroup } from '../../../../common/framework/test_group.js';
+import { keysOf } from '../../../../common/util/data_tables.js';
+import { ShaderValidationTest } from '../shader_validation_test.js';
+
+export const g = makeTestGroup(ShaderValidationTest);
+
+const kTests = {
+  not_bool_literal: {
+    src: 'let a = !true;',
+    pass: true,
+  },
+  not_bool_expr: {
+    src: `let a = !(1 == 2);`,
+    pass: true,
+  },
+  not_not_bool_literal: {
+    src: 'let a = !!true;',
+    pass: true,
+  },
+  not_not_bool_expr: {
+    src: `let a = !!(1 == 2);`,
+    pass: true,
+  },
+  not_int_literal: {
+    src: `let a = !42;`,
+    pass: false,
+  },
+  not_int_expr: {
+    src: `let a = !(40 + 2);`,
+    pass: false,
+  },
+};
+
+g.test('all')
+  .desc('Test that unary operators are validated correctly')
+  .params(u => u.combine('stmt', keysOf(kTests)))
+  .fn(t => {
+    const code = `
+@vertex
+fn vtx() -> @builtin(position) vec4f {
+  ${kTests[t.params.stmt].src}
+  return vec4f(1);
+}
+    `;
+    t.expectCompileResult(kTests[t.params.stmt].pass, code);
+  });