Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(409)

Unified Diff: runtime/observatory/tests/service/causal_async_star_stack_contents_test.dart

Issue 2646443005: Track async causal stack traces (Closed)
Patch Set: rebase Created 3 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: runtime/observatory/tests/service/causal_async_star_stack_contents_test.dart
diff --git a/runtime/observatory/tests/service/causal_async_star_stack_contents_test.dart b/runtime/observatory/tests/service/causal_async_star_stack_contents_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d50f69d251f6aa2cce34375bdb26bc7415595a68
--- /dev/null
+++ b/runtime/observatory/tests/service/causal_async_star_stack_contents_test.dart
@@ -0,0 +1,87 @@
+// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+// VMOptions=--error_on_bad_type --error_on_bad_override --verbose_debug
+
+import 'dart:developer';
+import 'package:observatory/models.dart' as M;
+import 'package:observatory/service_io.dart';
+import 'package:unittest/unittest.dart';
+import 'service_test_common.dart';
+import 'test_helper.dart';
+
+const LINE_A = 26;
+const LINE_B = 19;
+const LINE_C = 21;
+
+foobar() async* {
+ debugger();
+ yield 1; // LINE_B.
+ debugger();
+ yield 2; // LINE_C.
+}
+
+helper() async {
+ debugger();
+ print('helper'); // LINE_A.
+ await for (var i in foobar()) {
+ print('helper $i');
+ }
+}
+
+testMain() {
+ helper();
+}
+
+var tests = [
+ hasStoppedAtBreakpoint,
+ stoppedAtLine(LINE_A),
+ (Isolate isolate) async {
+ ServiceMap stack = await isolate.getStack();
+ // No causal frames because we are in a completely synchronous stack.
+ expect(stack['asyncCausalFrames'], isNotNull);
+ var asyncStack = stack['asyncCausalFrames'];
+ expect(asyncStack[0].toString(), contains('helper_async_body'));
+ expect(asyncStack[1].kind, equals(M.FrameKind.asyncSuspensionMarker));
+ expect(asyncStack[2].toString(), contains('helper'));
+ },
+ resumeIsolate,
+ hasStoppedAtBreakpoint,
+ stoppedAtLine(LINE_B),
+
+ (Isolate isolate) async {
+ ServiceMap stack = await isolate.getStack();
+ // Has causal frames (we are inside an async function)
+ expect(stack['asyncCausalFrames'], isNotNull);
+ var asyncStack = stack['asyncCausalFrames'];
+ expect(asyncStack[0].toString(), contains('foobar_async_gen_body'));
+ expect(asyncStack[1].kind, equals(M.FrameKind.asyncSuspensionMarker));
+ expect(asyncStack[2].toString(), contains('foobar'));
+ expect(asyncStack[3].toString(), contains('helper_async_body'));
+ expect(asyncStack[4].kind, equals(M.FrameKind.asyncSuspensionMarker));
+ expect(asyncStack[5].toString(), contains('helper'));
+ expect(asyncStack[6].toString(), contains('testMain'));
+ },
+
+ resumeIsolate,
+ hasStoppedAtBreakpoint,
+ stoppedAtLine(LINE_C),
+
+ (Isolate isolate) async {
+ ServiceMap stack = await isolate.getStack();
+ // Has causal frames (we are inside a function called by an async function)
+ expect(stack['asyncCausalFrames'], isNotNull);
+ var asyncStack = stack['asyncCausalFrames'];
+ expect(asyncStack[0].toString(), contains('foobar_async_gen_body'));
+ expect(asyncStack[1].kind, equals(M.FrameKind.asyncSuspensionMarker));
+ expect(asyncStack[2].toString(), contains('foobar'));
+ expect(asyncStack[3].toString(), contains('helper_async_body'));
+ expect(asyncStack[4].kind, equals(M.FrameKind.asyncSuspensionMarker));
+ expect(asyncStack[5].toString(), contains('helper'));
+ expect(asyncStack[6].toString(), contains('testMain'));
+ },
+];
+
+main(args) => runIsolateTestsSynchronous(args,
+ tests,
+ testeeConcurrent: testMain);

Powered by Google App Engine
This is Rietveld 408576698