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100 lines
2.7 KiB
100 lines
2.7 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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//
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// Flags: --expose-debug-as debug
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Debug = debug.Debug
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var exception = null;
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function listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Break) {
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exec_state.prepareStep(Debug.StepAction.StepIn);
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print(event_data.sourceLineText());
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assertTrue(
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event_data.sourceLineText().indexOf(`B${breaks++}`) > 0);
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}
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} catch (e) {
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print(e);
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quit();
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exception = e;
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}
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}
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function cb_set(num) {
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print("element " + num); // B2 B5 B8
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return true; // B3 B6 B9
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} // B4 B7 B10
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function cb_map(key, val) {
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print("key " + key + ", value " + val); // B2 B5 B8
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return true; // B3 B6 B9
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} // B4 B7 B10
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var s = new Set();
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s.add(1);
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s.add(2);
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s.add(3);
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var m = new Map();
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m.set('foo', 1);
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m.set('bar', 2);
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m.set('baz', 3);
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var breaks = 0;
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Debug.setListener(listener);
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debugger; // B0
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s.forEach(cb_set); // B1
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Debug.setListener(null); // B11
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assertNull(exception);
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assertEquals(12, breaks);
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breaks = 0;
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Debug.setListener(listener);
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debugger; // B0
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m.forEach(cb_map); // B1
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Debug.setListener(null); // B11
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assertNull(exception);
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assertEquals(12, breaks);
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// Test two levels of builtin callbacks:
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// Array.forEach calls a callback function, which by itself uses
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// Array.forEach with another callback function.
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function cb_set_2(num) {
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print("element " + num); // B3 B6 B9 B15 B18 B21 B27 B30 B33
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return true; // B4 B7 B10 B16 B19 B22 B28 B31 B34
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} // B5 B8 B11 B17 B20 B23 B29 B32 B35
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function cb_map_2(k, v) {
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print(`key ${k}, value ${v}`); // B3 B6 B9 B15 B18 B21 B27 B30 B33
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return true; // B4 B7 B10 B16 B19 B22 B28 B31 B34
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} // B5 B8 B11 B17 B20 B23 B29 B32 B35
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function cb_set_foreach(num) {
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s.forEach(cb_set_2); // B2 B14 B26
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print("back."); // B12 B24 B36
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} // B13 B25 B37
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function cb_map_foreach(key, val) {
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m.forEach(cb_map_2); // B2 B14 B26
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print("back."); // B12 B24 B36
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} // B13 B25 B37
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breaks = 0;
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Debug.setListener(listener);
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debugger; // B0
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s.forEach(cb_set_foreach); // B1
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Debug.setListener(null); // B38
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assertNull(exception);
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assertEquals(39, breaks);
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breaks = 0;
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Debug.setListener(listener);
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debugger; // B0
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m.forEach(cb_map_foreach); // B1
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Debug.setListener(null); // B38
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assertNull(exception);
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assertEquals(39, breaks);
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