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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.
// Flags: --expose-debug-as debug
Debug = debug.Debug
var exception = null;
var log = [];
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Exception) return;
try {
var line = exec_state.frame(0).sourceLineText();
var match = /Exception (\w)/.exec(line);
assertNotNull(match);
assertEquals(match[1], event_data.exception());
log.push(match[1]);
} catch (e) {
exception = e;
}
}
function* g() {
try {
throw "a"; // Ordinary throw. Exception a
} catch (e) {}
try {
yield 1; // Caught internally. Exception b
} catch (e) {}
yield 2;
yield 3; // Caught externally. Exception c
yield 4;
}
Debug.setListener(listener);
Debug.setBreakOnException();
var g_obj = g();
assertEquals(1, g_obj.next().value);
assertEquals(2, g_obj.throw("b").value);
assertEquals(3, g_obj.next().value);
assertThrows(() => g_obj.throw("c"));
assertThrows(() => g_obj.throw("d")); // Closed generator. Exception d
Debug.setListener(null);
Debug.clearBreakOnException();
assertEquals(["a", "b", "c", "d"], log);
assertNull(exception);
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