1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description('Test that we properly fill in missing args with "undefined" in JIT code.'); 25 26 // Regression test for <rdar://problem/10763509> 27 28 29 function callee(a1, a2, a3, a4, a5, a6, a7, a8) 30 { 31 // We expect that the unused actual parameters will be filled 32 // with undefined. 33 if (a1 !== undefined) 34 return "Arg1 is wrong"; 35 if (a2 !== undefined) 36 return "Arg2 is wrong"; 37 if (a3 !== undefined) 38 return "Arg3 is wrong"; 39 if (a4 !== undefined) 40 return "Arg4 is wrong"; 41 if (a5 !== undefined) 42 return "Arg5 is wrong"; 43 if (a6 !== undefined) 44 return "Arg6 is wrong"; 45 if (a7 !== undefined) 46 return "Arg7 is wrong"; 47 if (a8 !== undefined) 48 return "Arg8 is wrong"; 49 50 return undefined; 51 } 52 53 function dummy(a1, a2, a3, a4, a5, a6, a7, a8) 54 { 55 } 56 57 function BaseObj() 58 { 59 } 60 61 function caller(testArgCount) 62 { 63 var baseObj = new BaseObj(); 64 65 var allArgs = [0, "String", callee, true, null, 2.5, [1, 2, 3], {'a': 1, 'b' : 2}]; 66 argCounts = [8, testArgCount]; 67 68 for (argCountIndex = 0; argCountIndex < argCounts.length; argCountIndex++) { 69 argCount = argCounts[argCountIndex]; 70 71 var varArgs = []; 72 for (i = 0; i < argCount; i++) 73 varArgs[i] = undefined; 74 75 for (numCalls = 0; numCalls < 10; numCalls++) { 76 // Run multiple times so that the JIT kicks in 77 dummy.apply(baseObj, allArgs); 78 var result = callee.apply(baseObj, varArgs); 79 if (result != undefined) 80 return result; 81 } 82 } 83 84 return undefined; 85 } 86 87 shouldBe("caller(0)", 'undefined'); 88 shouldBe("caller(1)", 'undefined'); 89 shouldBe("caller(2)", 'undefined'); 90 shouldBe("caller(3)", 'undefined'); 91 shouldBe("caller(4)", 'undefined'); 92 shouldBe("caller(5)", 'undefined'); 93 shouldBe("caller(6)", 'undefined'); 94 shouldBe("caller(7)", 'undefined'); 95 shouldBe("caller(8)", 'undefined'); 96 97 var successfullyParsed = true; 98
