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deps/v8/test/debugger/debug/debug-exceptions.js
87 строк
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Michaël Zasso
deps: update V8 to 5.6.326.55
22 фев 2017, 17:55
22 фев 2017, 17:55
7a77daf
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// Copyright 2016 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. Debug = debug.Debug let error = false; let uncaught; function listener(event, exec_state, event_data, data) { if (event != Debug.DebugEvent.Exception) return; try { uncaught = event_data.uncaught(); } catch (e) { error = true; } } Debug.setBreakOnException(); Debug.setListener(listener); function assertCaught(f) { try {f()} finally { assertFalse(uncaught); return; } } function assertUncaught(f) { try {f()} finally { assertTrue(uncaught); return; } } assertUncaught(() => { for (var a of [1, 2, 3]) { throw a } }); assertUncaught(() => { for (var a of [1, 2, 3]) { try {throw a} finally {} } }); assertCaught(() => { for (var a of [1, 2, 3]) { try { try {throw a} finally {} } catch(_) {} } }); assertCaught(() => { try { for (var a of [1, 2, 3]) { try {throw a} finally {} } } catch(_) {} }); // Check that an internal exception in our yield* desugaring is not observable. { uncaught = null; let iter = { next() {return {value:42, done:false}}, throw() {return {done:true}} }; let iterable = {[Symbol.iterator]() {return iter}}; function* f() { yield* iterable } let g = f(); g.next(); assertEquals({value: undefined, done: true}, g.throw()); assertNull(uncaught); // No exception event was generated. } assertFalse(error);