debug-changebreakpoint.js 4.18 KB
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// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug

// Simple function which stores the last debug event.
listenerComplete = false;
exception = false;

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var breakpoint = -1;
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var base_request = '"seq":0,"type":"request","command":"changebreakpoint"'

function safeEval(code) {
  try {
    return eval('(' + code + ')');
  } catch (e) {
    assertEquals(void 0, e);
    return undefined;
  }
}

function testArguments(dcp, arguments, success) {
  var request = '{' + base_request + ',"arguments":' + arguments + '}'
  var json_response = dcp.processDebugJSONRequest(request);
  var response = safeEval(json_response);
  if (success) {
    assertTrue(response.success, json_response);
  } else {
    assertFalse(response.success, json_response);
  }
}

function listener(event, exec_state, event_data, data) {
  try {
  if (event == Debug.DebugEvent.Break) {
    // Get the debug command processor.
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    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
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    // Test some illegal clearbreakpoint requests.
    var request = '{' + base_request + '}'
    var response = safeEval(dcp.processDebugJSONRequest(request));
    assertFalse(response.success);

    testArguments(dcp, '{}', false);
    testArguments(dcp, '{"breakpoint":0,"condition":"false"}', false);
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    testArguments(dcp, '{"breakpoint":' + (breakpoint + 1) + ',"condition":"false"}', false);
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    testArguments(dcp, '{"breakpoint":"xx","condition":"false"}', false);

    // Test some legal clearbreakpoint requests.
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    var bp_str = '"breakpoint":' + breakpoint;;
    testArguments(dcp, '{' + bp_str + '}', true);
    testArguments(dcp, '{' + bp_str + ',"enabled":"true"}', true);
    testArguments(dcp, '{' + bp_str + ',"enabled":"false"}', true);
    testArguments(dcp, '{' + bp_str + ',"condition":"1==2"}', true);
    testArguments(dcp, '{' + bp_str + ',"condition":"false"}', true);
    testArguments(dcp, '{' + bp_str + ',"ignoreCount":7}', true);
    testArguments(dcp, '{' + bp_str + ',"ignoreCount":0}', true);
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    testArguments(
        dcp,
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        '{' + bp_str + ',"enabled":"true","condition":"false","ignoreCount":0}',
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        true);

    // Indicate that all was processed.
    listenerComplete = true;
  }
  } catch (e) {
    exception = e
  };
};

// Add the debug event listener.
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Debug.setListener(listener);
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function g() {};

// Set a break point and call to invoke the debug event listener.
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breakpoint = Debug.setBreakPoint(g, 0, 0);
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g();

// Make sure that the debug event listener vas invoked.
assertTrue(listenerComplete, "listener did not run to completion");
assertFalse(exception, "exception in listener")