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      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
      4 // met:
      5 //
      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.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     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.
     27 
     28 // Flags: --expose-debug-as debug
     29 // Test the mirror object for unresolved functions.
     30 
     31 function MirrorRefCache(json_refs) {
     32   var tmp = eval('(' + json_refs + ')');
     33   this.refs_ = [];
     34   for (var i = 0; i < tmp.length; i++) {
     35     this.refs_[tmp[i].handle] = tmp[i];
     36   }
     37 }
     38 
     39 MirrorRefCache.prototype.lookup = function(handle) {
     40   return this.refs_[handle];
     41 }
     42 
     43 var mirror = new debug.UnresolvedFunctionMirror("f");
     44 var serializer = debug.MakeMirrorSerializer();
     45 var json = JSON.stringify(serializer.serializeValue(mirror));
     46 var refs = new MirrorRefCache(
     47     JSON.stringify(serializer.serializeReferencedObjects()));
     48 
     49 // Check the mirror hierachy for unresolved functions.
     50 assertTrue(mirror instanceof debug.Mirror);
     51 assertTrue(mirror instanceof debug.ValueMirror);
     52 assertTrue(mirror instanceof debug.ObjectMirror);
     53 assertTrue(mirror instanceof debug.FunctionMirror);
     54 
     55 // Check the mirror properties for unresolved functions.
     56 assertTrue(mirror.isUnresolvedFunction());
     57 assertEquals('function', mirror.type());
     58 assertFalse(mirror.isPrimitive());
     59 assertEquals("Function", mirror.className());
     60 assertEquals("f", mirror.name());
     61 assertEquals('undefined', typeof mirror.inferredName());
     62 assertFalse(mirror.resolved());
     63 assertEquals(void 0, mirror.source());
     64 assertEquals('undefined', mirror.constructorFunction().type());
     65 assertEquals('undefined', mirror.protoObject().type());
     66 assertEquals('undefined', mirror.prototypeObject().type());
     67   
     68 // Parse JSON representation of unresolved functions and check.
     69 var fromJSON = eval('(' + json + ')');
     70 assertEquals('function', fromJSON.type, 'Unexpected mirror type in JSON');
     71 assertEquals('Function', fromJSON.className, 'Unexpected mirror class name in JSON');
     72 assertEquals(mirror.constructorFunction().handle(), fromJSON.constructorFunction.ref, 'Unexpected constructor function handle in JSON');
     73 assertEquals('undefined', refs.lookup(fromJSON.constructorFunction.ref).type, 'Unexpected constructor function type in JSON');
     74 assertEquals(mirror.protoObject().handle(), fromJSON.protoObject.ref, 'Unexpected proto object handle in JSON');
     75 assertEquals('undefined', refs.lookup(fromJSON.protoObject.ref).type, 'Unexpected proto object type in JSON');
     76 assertEquals(mirror.prototypeObject().handle(), fromJSON.prototypeObject.ref, 'Unexpected prototype object handle in JSON');
     77 assertEquals('undefined', refs.lookup(fromJSON.prototypeObject.ref).type, 'Unexpected prototype object type in JSON');
     78 assertFalse(fromJSON.resolved);
     79 assertEquals("f", fromJSON.name);
     80 assertFalse('inferredName' in fromJSON);
     81 assertEquals(void 0, fromJSON.source);
     82