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Diffstat (limited to 'deps/v8/test/mjsunit/es6/debug-promises-uncaught-uncaught.js')
-rw-r--r-- | deps/v8/test/mjsunit/es6/debug-promises-uncaught-uncaught.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/debug-promises-uncaught-uncaught.js b/deps/v8/test/mjsunit/es6/debug-promises-uncaught-uncaught.js new file mode 100644 index 000000000..fa97ac0d8 --- /dev/null +++ b/deps/v8/test/mjsunit/es6/debug-promises-uncaught-uncaught.js @@ -0,0 +1,54 @@ +// Copyright 2014 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// 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. +// 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"); // event + }); + +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) { + assertEquals(0, step); + assertEquals("uncaught", event_data.exception().message); + assertTrue(event_data.promise() instanceof Promise); + assertEquals(q, event_data.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) { + // Signal a failure with exit code 1. This is necessary since the + // 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); + } +} + +Debug.setBreakOnUncaughtException(); +Debug.setListener(listener); + +log.push("end main"); |