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Unified Diff: test/mjsunit/es6/debug-promises-throw-in-constructor.js

Issue 266533003: Reland "Trigger exception debug event for promises at the throw site." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix Created 6 years, 8 months ago
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Index: test/mjsunit/es6/debug-promises-throw-in-constructor.js
diff --git a/test/mjsunit/es6/debug-promises-uncaught-uncaught.js b/test/mjsunit/es6/debug-promises-throw-in-constructor.js
similarity index 70%
copy from test/mjsunit/es6/debug-promises-uncaught-uncaught.js
copy to test/mjsunit/es6/debug-promises-throw-in-constructor.js
index ae58c628cacb7e88e29456cd6fe6ef3f7b45675c..d0267cefb52d940f57c2229af55c75ef69da6efc 100644
--- a/test/mjsunit/es6/debug-promises-uncaught-uncaught.js
+++ b/test/mjsunit/es6/debug-promises-throw-in-constructor.js
@@ -5,38 +5,25 @@
// Flags: --harmony-promises --expose-debug-as debug
// Test debug events when we only listen to uncaught exceptions and
-// there is a catch handler for the exception thrown in a Promise.
-// Expectation:
-// - only the PendingExceptionInPromise debug event is triggered.
+// an exception is thrown in the the Promise constructor.
+// We expect an Exception debug event with a promise to be triggered.
Debug = debug.Debug;
-var log = [];
var step = 0;
-
-var p = new Promise(function(resolve, reject) {
- log.push("resolve");
- resolve();
-});
-
-var q = p.chain(
- function() {
- log.push("throw");
- throw new Error("uncaught");
- });
+var exception = null;
function listener(event, exec_state, event_data, data) {
try {
// Ignore exceptions during startup in stress runs.
if (step >= 1) return;
- assertEquals(["resolve", "end main", "throw"], log);
if (event == Debug.DebugEvent.Exception) {
- assertUnreachable();
- } else if (event == Debug.DebugEvent.PendingExceptionInPromise) {
assertEquals(0, step);
assertEquals("uncaught", event_data.exception().message);
assertTrue(event_data.promise() instanceof Promise);
assertTrue(event_data.uncaught());
+ // Assert that the debug event is triggered at the throw site.
+ assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0);
step++;
}
} catch (e) {
@@ -44,11 +31,16 @@ function listener(event, exec_state, event_data, data) {
// debugger swallows exceptions and we expect the chained function
// and this listener to be executed after the main script is finished.
print("Unexpected exception: " + e + "\n" + e.stack);
- quit(1);
+ exception = e;
}
}
Debug.setBreakOnUncaughtException();
Debug.setListener(listener);
-log.push("end main");
+var p = new Promise(function(resolve, reject) {
+ throw new Error("uncaught"); // event
+});
+
+assertEquals(1, step);
+assertNull(exception);

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