1 files changed, 50 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/parse/blankspace.spec.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/parse/blankspace.spec.ts
new file mode 100644
index 0000000000..e2a58520d5
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/parse/blankspace.spec.ts
@@ -0,0 +1,50 @@
+export const description = `Validation tests for blankspace handling`;
+
+import { makeTestGroup } from '../../../../common/framework/test_group.js';
+import { ShaderValidationTest } from '../shader_validation_test.js';
+
+export const g = makeTestGroup(ShaderValidationTest);
+
+g.test('null_characters')
+  .desc(`Test that WGSL source containing a null character is rejected.`)
+  .params(u =>
+    u
+      .combine('contains_null', [true, false])
+      .combine('placement', ['comment', 'delimiter', 'eol'])
+      .beginSubcases()
+  )
+  .fn(t => {
+    let code = '';
+    if (t.params.placement === 'comment') {
+      code = `// Here is a ${t.params.contains_null ? '\0' : 'Z'} character`;
+    } else if (t.params.placement === 'delimiter') {
+      code = `const${t.params.contains_null ? '\0' : ' '}name : i32 = 0;`;
+    } else if (t.params.placement === 'eol') {
+      code = `const name : i32 = 0;${t.params.contains_null ? '\0' : ''}`;
+    }
+    t.expectCompileResult(!t.params.contains_null, code);
+  });
+
+g.test('blankspace')
+  .desc(`Test that all blankspace characters act as delimiters.`)
+  .params(u =>
+    u
+      .combine('blankspace', [
+        ['\u0020', 'space'],
+        ['\u0009', 'horizontal_tab'],
+        ['\u000a', 'line_feed'],
+        ['\u000b', 'vertical_tab'],
+        ['\u000c', 'form_feed'],
+        ['\u000d', 'carriage_return'],
+        ['\u0085', 'next_line'],
+        ['\u200e', 'left_to_right_mark'],
+        ['\u200f', 'right_to_left_mark'],
+        ['\u2028', 'line_separator'],
+        ['\u2029', 'paragraph_separator'],
+      ])
+      .beginSubcases()
+  )
+  .fn(t => {
+    const code = `const${t.params.blankspace[0]}ident : i32 = 0;`;
+    t.expectCompileResult(true, code);
+  });