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48 lines
1.2 KiB
48 lines
1.2 KiB
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-debug-as debug --harmony-generators
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Debug = debug.Debug
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var debug_step = 0;
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var failure = null;
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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if (debug_step == 0) {
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assertEquals(1, exec_state.frame(0).evaluate('a').value());
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assertEquals(3, exec_state.frame(0).evaluate('b').value());
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exec_state.frame(0).evaluate("a = 4").value();
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debug_step++;
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} else {
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assertEquals(4, exec_state.frame(0).evaluate('a').value());
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assertEquals(3, exec_state.frame(0).evaluate('b').value());
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exec_state.frame(0).evaluate("b = 5").value();
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}
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} catch (e) {
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failure = e;
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}
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}
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Debug.setListener(listener);
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function* generator(a, b) {
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var b = 3; // Shadows a parameter.
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debugger;
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yield a;
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yield b;
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debugger;
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return b;
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}
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var foo = generator(1, 2);
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assertEquals(4, foo.next().value);
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assertEquals(3, foo.next().value);
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assertEquals(5, foo.next().value);
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assertNull(failure);
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Debug.setListener(null);
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