Version 3.0.7

test/mjsunit/debug-listbreakpoints.js

+// Copyright 2010 the V8 project authors. All rights reserved.
+// 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
+
+// Note: the following tests only checks the debugger handling of the
+// setexceptionbreak command.  It does not test whether the debugger
+// actually breaks on exceptions or not.  That functionality is tested
+// in test-debug.cc instead.
+
+// Note: The following function g() is purposedly placed here so that
+// its line numbers will not change should we add more lines of test code
+// below.  The test checks for these line numbers.
+
+function g() { // line 40
+  var x = 5; 
+  var y = 6;
+  var z = 7;
+};
+
+var first_lineno = 40; // Must be the line number of g() above.
+                       // The first line of the file is line 0.
+
+// Simple function which stores the last debug event.
+listenerComplete = false;
+exception = false;
+
+var breakpoint1 = -1;
+var base_request = '"seq":0,"type":"request","command":"listbreakpoints"'
+
+function safeEval(code) {
+  try {
+    return eval('(' + code + ')');
+  } catch (e) {
+    assertEquals(void 0, e);
+    return undefined;
+  }
+}
+
+
+function clearBreakpoint(dcp, breakpoint_id) {
+  var base_request = '"seq":0,"type":"request","command":"clearbreakpoint"'
+  var arguments = '{"breakpoint":' + breakpoint_id + '}'
+  var request = '{' + base_request + ',"arguments":' + arguments + '}'
+  var json_response = dcp.processDebugJSONRequest(request);
+}
+
+
+function setBreakOnException(dcp, type, enabled) {
+  var base_request = '"seq":0,"type":"request","command":"setexceptionbreak"'
+  var arguments = '{"type":"' + type + '","enabled":' + enabled + '}'
+  var request = '{' + base_request + ',"arguments":' + arguments + '}'
+  var json_response = dcp.processDebugJSONRequest(request);
+}
+
+
+function testArguments(dcp, success, breakpoint_ids, breakpoint_linenos,
+                       break_on_all, break_on_uncaught) {
+  var request = '{' + base_request + '}'
+  var json_response = dcp.processDebugJSONRequest(request);
+  var response = safeEval(json_response);
+  var num_breakpoints = breakpoint_ids.length;
+
+  if (success) {
+    assertTrue(response.success, json_response);
+    assertEquals(response.body.breakpoints.length, num_breakpoints);
+    if (num_breakpoints > 0) {
+      var breakpoints = response.body.breakpoints;
+      for (var i = 0; i < breakpoints.length; i++) {
+        var id = breakpoints[i].number;
+        var found = false;
+        for (var j = 0; j < num_breakpoints; j++) {
+          if (breakpoint_ids[j] == id) {
+            assertEquals(breakpoints[i].line, breakpoint_linenos[j]);
+            found = true;
+            break;
+          }
+        }
+        assertTrue(found, "found unexpected breakpoint " + id);
+      }
+    }
+    assertEquals(response.body.breakOnExceptions, break_on_all);
+    assertEquals(response.body.breakOnUncaughtExceptions, break_on_uncaught);
+  } 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.
+    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
+
+    // Test with the 1 breakpoint already set:
+    testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false);
+
+    setBreakOnException(dcp, "all", true);
+    testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, false);
+
+    setBreakOnException(dcp, "uncaught", true);
+    testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], true, true);
+
+    setBreakOnException(dcp, "all", false);
+    testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, true);
+
+    setBreakOnException(dcp, "uncaught", false);
+    testArguments(dcp, true, [ breakpoint1 ], [ first_lineno ], false, false);
+
+    // Clear the one breakpoint and retest:
+    clearBreakpoint(dcp, breakpoint1);
+    testArguments(dcp, true, [], [], false, false);
+
+    setBreakOnException(dcp, "all", true);
+    testArguments(dcp, true, [], [], true, false);
+
+    setBreakOnException(dcp, "uncaught", true);
+    testArguments(dcp, true, [], [], true, true);
+
+    setBreakOnException(dcp, "all", false);
+    testArguments(dcp, true, [], [], false, true);
+
+    setBreakOnException(dcp, "uncaught", false);
+    testArguments(dcp, true, [], [], false, false);
+
+    // Set some more breakpoints, and clear them in various orders:
+    var bp2 = Debug.setBreakPoint(g, 1, 0);
+    testArguments(dcp, true, [ bp2 ],
+                  [ first_lineno + 1 ],
+                  false, false);
+
+    var bp3 = Debug.setBreakPoint(g, 2, 0);
+    testArguments(dcp, true, [ bp2, bp3 ],
+                  [ first_lineno + 1, first_lineno + 2 ],
+                  false, false);
+
+    var bp4 = Debug.setBreakPoint(g, 3, 0);
+    testArguments(dcp, true, [ bp2, bp3, bp4 ],
+                  [ first_lineno + 1, first_lineno + 2, first_lineno + 3 ],
+                  false, false);
+
+    clearBreakpoint(dcp, bp3);
+    testArguments(dcp, true, [ bp2, bp4 ],
+                  [ first_lineno + 1, first_lineno + 3 ],
+                  false, false);
+
+    clearBreakpoint(dcp, bp4);
+    testArguments(dcp, true, [ bp2 ],
+                  [ first_lineno + 1 ],
+                  false, false);
+
+    var bp5 = Debug.setBreakPoint(g, 3, 0);
+    testArguments(dcp, true, [ bp2, bp5 ],
+                  [ first_lineno + 1, first_lineno + 3 ],
+                  false, false);
+
+    clearBreakpoint(dcp, bp2);
+    testArguments(dcp, true, [ bp5 ],
+                  [ first_lineno + 3 ],
+                  false, false);
+
+    clearBreakpoint(dcp, bp5);
+    testArguments(dcp, true, [], [], false, false);
+
+    // Indicate that all was processed.
+    listenerComplete = true;
+
+  }
+  } catch (e) {
+    exception = e
+  };
+};
+
+// Add the debug event listener.
+Debug.setListener(listener);
+
+// Set a break point and call to invoke the debug event listener.
+breakpoint1 = Debug.setBreakPoint(g, 0, 0);
+g();
+
+// Make sure that the debug event listener vas invoked.
+assertFalse(exception, "exception in listener")
+assertTrue(listenerComplete, "listener did not run to completion");