1 // Copyright 2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
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13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 // Flags: --expose-debug-as debug
29 // Get the Debug object exposed from the debug context global object.
32 listenerComplete = false;
35 // The base part of all evaluate requests.
36 var base_request = '"seq":0,"type":"request","command":"evaluate"'
38 function safeEval(code) {
40 return eval('(' + code + ')');
42 assertEquals(void 0, e);
47 function testRequest(dcp, arguments, success, result) {
48 // Generate request with the supplied arguments.
51 request = '{' + base_request + ',"arguments":' + arguments + '}';
53 request = '{' + base_request + '}'
55 var response = safeEval(dcp.processDebugJSONRequest(request));
57 assertTrue(response.success, request + ' -> ' + response.message);
58 assertEquals(result, response.body.value);
60 assertFalse(response.success, request + ' -> ' + response.message);
62 assertEquals(response.running, "unspecified_running_state",
63 request + ' -> expected not running');
66 function listener(event, exec_state, event_data, data) {
68 if (event == Debug.DebugEvent.Break) {
69 // Get the debug command processor.
70 var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
72 // Test some illegal evaluate requests.
73 testRequest(dcp, void 0, false);
74 testRequest(dcp, '{"expression":"1","global"=true}', false);
75 testRequest(dcp, '{"expression":"a","frame":4}', false);
77 // Test some legal evaluate requests.
78 testRequest(dcp, '{"expression":"1+2"}', true, 3);
79 testRequest(dcp, '{"expression":"a+2"}', true, 5);
80 testRequest(dcp, '{"expression":"({\\"a\\":1,\\"b\\":2}).b+2"}', true, 4);
82 // Test evaluation of a in the stack frames and the global context.
83 testRequest(dcp, '{"expression":"a"}', true, 3);
84 testRequest(dcp, '{"expression":"a","frame":0}', true, 3);
85 testRequest(dcp, '{"expression":"a","frame":1}', true, 2);
86 testRequest(dcp, '{"expression":"a","frame":2}', true, 1);
87 testRequest(dcp, '{"expression":"a","global":true}', true, 1);
88 testRequest(dcp, '{"expression":"this.a","global":true}', true, 1);
90 // Test that the whole string text is returned if maxStringLength
91 // parameter is passed.
94 '{"expression":"this.longString","global":true,"maxStringLength":-1}',
99 '{"expression":"this.longString","global":true,"maxStringLength":' +
100 longString.length + '}',
103 var truncatedStringSuffix = '... (length: ' + longString.length + ')';
106 '{"expression":"this.longString","global":true,"maxStringLength":0}',
108 truncatedStringSuffix);
111 '{"expression":"this.longString","global":true,"maxStringLength":1}',
113 longString.charAt(0) + truncatedStringSuffix);
114 // Test that by default string is truncated to first 80 chars.
117 '{"expression":"this.longString","global":true}',
119 longString.substring(0, 80) + truncatedStringSuffix);
121 // Indicate that all was processed.
122 listenerComplete = true;
129 // Add the debug event listener.
130 Debug.setListener(listener);
143 // String which is longer than 80 chars.
144 var longString = "1234567890_";
145 for (var i = 0; i < 4; i++) {
146 longString += longString;
149 // Set a break point at return in f and invoke g to hit the breakpoint.
150 Debug.setBreakPoint(f, 2, 0);
153 assertFalse(exception, "exception in listener")
154 // Make sure that the debug event listener vas invoked.
155 assertTrue(listenerComplete, "listener did not run to completion");