1 files changed, 138 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/unittests/getStackTrace.spec.ts b/dom/webgpu/tests/cts/checkout/src/unittests/getStackTrace.spec.ts
new file mode 100644
index 0000000000..5090fe3f9d
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/unittests/getStackTrace.spec.ts
@@ -0,0 +1,138 @@
+export const description = `
+Tests for getStackTrace.
+`;
+
+import { makeTestGroup } from '../common/framework/test_group.js';
+import { extractImportantStackTrace } from '../common/internal/stack.js';
+
+import { UnitTest } from './unit_test.js';
+
+export const g = makeTestGroup(UnitTest);
+
+g.test('stacks')
+  .paramsSimple([
+    {
+      case: 'node_fail',
+      _expectedLines: 3,
+      _stack: `Error:
+   at CaseRecorder.fail (/Users/kainino/src/cts/src/common/framework/logger.ts:99:30)
+   at RunCaseSpecific.exports.g.test.t [as fn] (/Users/kainino/src/cts/src/unittests/logger.spec.ts:80:7)
+   at RunCaseSpecific.run (/Users/kainino/src/cts/src/common/framework/test_group.ts:121:18)
+   at processTicksAndRejections (internal/process/task_queues.js:86:5)`,
+    },
+    {
+      // MAINTENANCE_TODO: make sure this test case actually matches what happens on windows
+      case: 'node_fail_backslash',
+      _expectedLines: 3,
+      _stack: `Error:
+   at CaseRecorder.fail (C:\\Users\\kainino\\src\\cts\\src\\common\\framework\\logger.ts:99:30)
+   at RunCaseSpecific.exports.g.test.t [as fn] (C:\\Users\\kainino\\src\\cts\\src\\unittests\\logger.spec.ts:80:7)
+   at RunCaseSpecific.run (C:\\Users\\kainino\\src\\cts\\src\\common\\framework\\test_group.ts:121:18)
+   at processTicksAndRejections (internal\\process\\task_queues.js:86:5)`,
+    },
+    {
+      case: 'node_fail_processTicksAndRejections',
+      _expectedLines: 5,
+      _stack: `Error: expectation had no effect: suite1:foo:
+    at Object.generateMinimalQueryList (/Users/kainino/src/cts/src/common/framework/generate_minimal_query_list.ts:72:24)
+    at testGenerateMinimalQueryList (/Users/kainino/src/cts/src/unittests/loading.spec.ts:289:25)
+    at processTicksAndRejections (internal/process/task_queues.js:93:5)
+    at RunCaseSpecific.fn (/Users/kainino/src/cts/src/unittests/loading.spec.ts:300:3)
+    at RunCaseSpecific.run (/Users/kainino/src/cts/src/common/framework/test_group.ts:144:9)
+    at /Users/kainino/src/cts/src/common/runtime/cmdline.ts:62:25
+    at async Promise.all (index 29)
+    at /Users/kainino/src/cts/src/common/runtime/cmdline.ts:78:5`,
+    },
+    {
+      case: 'node_throw',
+      _expectedLines: 2,
+      _stack: `Error: hello
+    at RunCaseSpecific.g.test.t [as fn] (/Users/kainino/src/cts/src/unittests/test_group.spec.ts:51:11)
+    at RunCaseSpecific.run (/Users/kainino/src/cts/src/common/framework/test_group.ts:121:18)
+    at processTicksAndRejections (internal/process/task_queues.js:86:5)`,
+    },
+    {
+      case: 'firefox_fail',
+      _expectedLines: 3,
+      _stack: `fail@http://localhost:8080/out/common/framework/logger.js:104:30
+expect@http://localhost:8080/out/common/framework/default_fixture.js:59:16
+@http://localhost:8080/out/unittests/util.spec.js:35:5
+run@http://localhost:8080/out/common/framework/test_group.js:119:18`,
+    },
+    {
+      case: 'firefox_throw',
+      _expectedLines: 1,
+      _stack: `@http://localhost:8080/out/unittests/test_group.spec.js:48:11
+run@http://localhost:8080/out/common/framework/test_group.js:119:18`,
+    },
+    {
+      case: 'safari_fail',
+      _expectedLines: 3,
+      _stack: `fail@http://localhost:8080/out/common/framework/logger.js:104:39
+expect@http://localhost:8080/out/common/framework/default_fixture.js:59:20
+http://localhost:8080/out/unittests/util.spec.js:35:11
+http://localhost:8080/out/common/framework/test_group.js:119:20
+asyncFunctionResume@[native code]
+[native code]
+promiseReactionJob@[native code]`,
+    },
+    {
+      case: 'safari_throw',
+      _expectedLines: 1,
+      _stack: `http://localhost:8080/out/unittests/test_group.spec.js:48:20
+http://localhost:8080/out/common/framework/test_group.js:119:20
+asyncFunctionResume@[native code]
+[native code]
+promiseReactionJob@[native code]`,
+    },
+    {
+      case: 'chrome_fail',
+      _expectedLines: 4,
+      _stack: `Error
+    at CaseRecorder.fail (http://localhost:8080/out/common/framework/logger.js:104:30)
+    at DefaultFixture.expect (http://localhost:8080/out/common/framework/default_fixture.js:59:16)
+    at RunCaseSpecific.fn (http://localhost:8080/out/unittests/util.spec.js:35:5)
+    at RunCaseSpecific.run (http://localhost:8080/out/common/framework/test_group.js:119:18)
+    at async runCase (http://localhost:8080/out/common/runtime/standalone.js:37:17)
+    at async http://localhost:8080/out/common/runtime/standalone.js:102:7`,
+    },
+    {
+      case: 'chrome_throw',
+      _expectedLines: 6,
+      _stack: `Error: hello
+    at RunCaseSpecific.fn (http://localhost:8080/out/unittests/test_group.spec.js:48:11)
+    at RunCaseSpecific.run (http://localhost:8080/out/common/framework/test_group.js:119:18)"
+    at async Promise.all (index 0)
+    at async TestGroupTest.run (http://localhost:8080/out/unittests/test_group_test.js:6:5)
+    at async RunCaseSpecific.fn (http://localhost:8080/out/unittests/test_group.spec.js:53:15)
+    at async RunCaseSpecific.run (http://localhost:8080/out/common/framework/test_group.js:119:7)
+    at async runCase (http://localhost:8080/out/common/runtime/standalone.js:37:17)
+    at async http://localhost:8080/out/common/runtime/standalone.js:102:7`,
+    },
+    {
+      case: 'multiple_lines',
+      _expectedLines: 8,
+      _stack: `Error: hello
+    at RunCaseSpecific.fn (http://localhost:8080/out/unittests/test_group.spec.js:48:11)
+    at RunCaseSpecific.fn (http://localhost:8080/out/unittests/test_group.spec.js:48:11)
+    at RunCaseSpecific.fn (http://localhost:8080/out/unittests/test_group.spec.js:48:11)
+    at RunCaseSpecific.run (http://localhost:8080/out/common/framework/test_group.js:119:18)"
+    at async Promise.all (index 0)
+    at async TestGroupTest.run (http://localhost:8080/out/unittests/test_group_test.js:6:5)
+    at async RunCaseSpecific.fn (http://localhost:8080/out/unittests/test_group.spec.js:53:15)
+    at async RunCaseSpecific.run (http://localhost:8080/out/common/framework/test_group.js:119:7)
+    at async runCase (http://localhost:8080/out/common/runtime/standalone.js:37:17)
+    at async http://localhost:8080/out/common/runtime/standalone.js:102:7`,
+    },
+  ])
+  .fn(t => {
+    const ex = new Error();
+    ex.stack = t.params._stack;
+    t.expect(ex.stack === t.params._stack);
+    const stringified = extractImportantStackTrace(ex);
+    const parts = stringified.split('\n');
+
+    t.expect(parts.length === t.params._expectedLines);
+    const last = parts[parts.length - 1];
+    t.expect(last.indexOf('/unittests/') !== -1 || last.indexOf('\\unittests\\') !== -1);
+  });