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Diffstat (limited to 'deps/v8/test/mjsunit/es6/debug-promises/reject-uncaught-late.js')
-rw-r--r-- | deps/v8/test/mjsunit/es6/debug-promises/reject-uncaught-late.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/debug-promises/reject-uncaught-late.js b/deps/v8/test/mjsunit/es6/debug-promises/reject-uncaught-late.js new file mode 100644 index 000000000..4a883da13 --- /dev/null +++ b/deps/v8/test/mjsunit/es6/debug-promises/reject-uncaught-late.js @@ -0,0 +1,76 @@ +// 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: --expose-debug-as debug --allow-natives-syntax + +// Test debug events when we only listen to uncaught exceptions and +// there is a catch handler for the to-be-rejected Promise. +// We expect an Exception debug event with a promise to be triggered. + +Debug = debug.Debug; + +var expected_events = 1; +var log = []; + +var reject_closure; + +var p = new Promise(function(resolve, reject) { + log.push("postpone p"); + reject_closure = reject; +}); + +var q = new Promise(function(resolve, reject) { + log.push("resolve q"); + resolve(); +}); + +q.then(function() { + log.push("reject p"); + reject_closure(new Error("uncaught reject p")); // event +}) + + +function listener(event, exec_state, event_data, data) { + try { + if (event == Debug.DebugEvent.Exception) { + expected_events--; + assertTrue(expected_events >= 0); + assertEquals("uncaught reject p", event_data.exception().message); + assertTrue(event_data.promise() instanceof Promise); + assertSame(p, 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); + } + } catch (e) { + %AbortJS(e + "\n" + e.stack); + } +} + +Debug.setBreakOnUncaughtException(); +Debug.setListener(listener); + +log.push("end main"); + +function testDone(iteration) { + function checkResult() { + try { + assertTrue(iteration < 10); + if (expected_events === 0) { + assertEquals(["postpone p", "resolve q", "end main", "reject p"], log); + } else { + testDone(iteration + 1); + } + } catch (e) { + %AbortJS(e + "\n" + e.stack); + } + } + + // Run testDone through the Object.observe processing loop. + var dummy = {}; + Object.observe(dummy, checkResult); + dummy.dummy = dummy; +} + +testDone(0); |