| Test exception handling with various arithmetic and logic operators, it checks the following things:<br/> |
| <ul> |
| <li>In assignment expressions the lefthand side is not modified if the right hand side throws</li> |
| <li>If the left hand side of a binary operator throws then the right hand should not be executed</li> |
| <li>If valueOf/toString throws in the left hand expression of a binop it does not prevent evaluation of the right hand expression, but does prevent evaluation of toString/valueOf on the rhs.</li> |
| </ul> |
| <div id="log"></div> |
| <script> |
| if (this.testRunner) |
| testRunner.dumpAsText(); |
| |
| if (this.document) { |
| log = function(msg) {document.getElementById("log").innerHTML += msg + "<br />";}; |
| fail = function(msg) {log("<span style='color: red'>FAIL: </span>" + msg) }; |
| pass = function(msg) { passCount++; log("<span style='color: green'>PASS: </span>" + msg) }; |
| } else { |
| log = print; |
| fail = function(msg) {log("FAIL: " + msg) }; |
| pass = function(msg) { passCount++; log("PASS: " + msg); }; |
| } |
| |
| var unaryOps = ['~', '+', '-', '++', '--']; |
| var binaryOps = ['-', '+', '*', '/', '%', '|', '&', '^', '<', '<=', '>=', '>', '==', '!=', '<<', '>>']; |
| |
| var valueOfThrower = { valueOf: function() { throw "throw from valueOf"; } } |
| var toStringThrower = { toString: function() { throw "throw from toString"; } } |
| var testCount = 0; |
| var passCount = 0; |
| function id(){} |
| function createTest(expr) { |
| // For reasons i don't quite understand these tests aren't expected to throw |
| if (expr == "valueOfThrower == rhsNonZeroNum") return id; |
| if (expr == "toStringThrower == rhsNonZeroNum") return id; |
| if (expr == "valueOfThrower != rhsNonZeroNum") return id; |
| if (expr == "toStringThrower != rhsNonZeroNum") return id; |
| if (expr == "valueOfThrower == rhsToStringThrower") return id; |
| if (expr == "toStringThrower == rhsToStringThrower") return id; |
| if (expr == "valueOfThrower != rhsToStringThrower") return id; |
| if (expr == "toStringThrower != rhsToStringThrower") return id; |
| |
| // This creates a test case that ensures that a binary operand will execute the left hand expression first, |
| // and will not execute the right hand side if the left hand side throws. |
| var functionPrefix = "(function(){ executedRHS = false; var result = 'PASS'; try { result = "; |
| var functionPostfix = "; fail('Did not throw exception with \"' + expr + '\"') } catch (e) { " + |
| " if (result != 'PASS' && executedRHS) { fail('\"'+expr+'\" threw exception, but modified assignment target and executed RHS'); " + |
| " } else if (result != 'PASS') { fail('\"'+expr+'\" threw exception, but modified assignment target'); " + |
| " } else if (executedRHS) { fail('\"'+expr+'\" threw exception, but executed right hand half of expression')" + |
| " } else { pass('Handled \"'+ expr +'\" correctly.') } } })"; |
| testCount++; |
| try { |
| return eval(functionPrefix + expr + functionPostfix); |
| } catch(e) { |
| throw new String(expr); |
| } |
| } |
| |
| function createTestWithRHSExec(expr) { |
| // This tests that we evaluate the right hand side of a binary expression before we |
| // do any type conversion with toString and/or valueOf which may throw. |
| var functionPrefix = "(function(){ executedRHS = false; var result = 'PASS'; try { result = "; |
| var functionPostfix = "; fail('Did not throw exception with \"' + expr + '\"') } catch (e) { " + |
| " if (result != 'PASS') { fail('\"'+expr+'\" threw exception, but modified assignment target'); " + |
| " } else if (!executedRHS) { fail('\"'+expr+'\" threw exception, and failed to execute RHS when expected')" + |
| " } else { pass('Handled \"'+ expr +'\" correctly.') } } })"; |
| testCount++; |
| try { |
| return eval(functionPrefix + expr + functionPostfix); |
| } catch(e) { |
| throw new String(expr); |
| } |
| } |
| |
| window.__defineGetter__('throwingProperty', function(){ throw "throwing resolve"; }); |
| |
| var throwingPropStr = 'throwingProperty'; |
| var valueOfThrowerStr = 'valueOfThrower'; |
| var toStringThrowerStr = 'toStringThrower'; |
| var throwingObjGetter = '({get throwingProperty(){ throw "throwing property" }}).throwingProperty'; |
| |
| createTest(throwingPropStr)(); |
| createTest(throwingObjGetter)(); |
| createTest("!undefinedProperty")(); |
| var local = new String("PASS"); |
| var localTest; |
| globalValueOfThrower = valueOfThrower; |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~valueOfThrower; |
| fail("Failed to throw an exception for local = ~valueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~valueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +valueOfThrower; |
| fail("Failed to throw an exception for local = +valueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +valueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -valueOfThrower; |
| fail("Failed to throw an exception for local = -valueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -valueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++valueOfThrower; |
| fail("Failed to throw an exception for local = ++valueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++valueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --valueOfThrower; |
| fail("Failed to throw an exception for local = --valueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --valueOfThrower worked as expected;"); |
| } |
| |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~globalValueOfThrower; |
| fail("Failed to throw an exception for local = ~globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +globalValueOfThrower; |
| fail("Failed to throw an exception for local = +globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -globalValueOfThrower; |
| fail("Failed to throw an exception for local = -globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++globalValueOfThrower; |
| fail("Failed to throw an exception for local = ++globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --globalValueOfThrower; |
| fail("Failed to throw an exception for local = --globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --globalValueOfThrower worked as expected;"); |
| } |
| |
| // Dot node tests |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~this.globalValueOfThrower; |
| fail("Failed to throw an exception for local = ~this.globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~this.globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +this.globalValueOfThrower; |
| fail("Failed to throw an exception for local = +this.globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +this.globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -this.globalValueOfThrower; |
| fail("Failed to throw an exception for local = -this.globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -this.globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++this.globalValueOfThrower; |
| fail("Failed to throw an exception for local = ++this.globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++this.globalValueOfThrower worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --this.globalValueOfThrower; |
| fail("Failed to throw an exception for local = --this.globalValueOfThrower"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --this.globalValueOfThrower worked as expected;"); |
| } |
| |
| |
| // Bracket node tests |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~this['globalValueOfThrower']; |
| fail("Failed to throw an exception for local = ~this['globalValueOfThrower']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~this['globalValueOfThrower'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +this['globalValueOfThrower']; |
| fail("Failed to throw an exception for local = +this['globalValueOfThrower']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +this['globalValueOfThrower'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -this['globalValueOfThrower']; |
| fail("Failed to throw an exception for local = -this['globalValueOfThrower']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -this['globalValueOfThrower'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++this['globalValueOfThrower']; |
| fail("Failed to throw an exception for local = ++this['globalValueOfThrower']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++this['globalValueOfThrower'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --this['globalValueOfThrower']; |
| fail("Failed to throw an exception for local = --this['globalValueOfThrower']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --this['globalValueOfThrower'] worked as expected;"); |
| } |
| |
| // getter tests |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~throwingProperty; |
| fail("Failed to throw an exception for local = ~throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +throwingProperty; |
| fail("Failed to throw an exception for local = +throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -throwingProperty; |
| fail("Failed to throw an exception for local = -throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++throwingProperty; |
| fail("Failed to throw an exception for local = ++throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --throwingProperty; |
| fail("Failed to throw an exception for local = --throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --throwingProperty worked as expected;"); |
| } |
| |
| // Dot node tests |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~this.throwingProperty; |
| fail("Failed to throw an exception for local = ~this.throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~this.throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +this.throwingProperty; |
| fail("Failed to throw an exception for local = +this.throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +this.throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -this.throwingProperty; |
| fail("Failed to throw an exception for local = -this.throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -this.throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++this.throwingProperty; |
| fail("Failed to throw an exception for local = ++this.throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++this.throwingProperty worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --this.throwingProperty; |
| fail("Failed to throw an exception for local = --this.throwingProperty"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --this.throwingProperty worked as expected;"); |
| } |
| |
| |
| // Brack node tests |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ~this['throwingProperty']; |
| fail("Failed to throw an exception for local = ~this['throwingProperty']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ~this['throwingProperty'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = +this['throwingProperty']; |
| fail("Failed to throw an exception for local = +this['throwingProperty']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = +this['throwingProperty'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = -this['throwingProperty']; |
| fail("Failed to throw an exception for local = -this['throwingProperty']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = -this['throwingProperty'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = ++this['throwingProperty']; |
| fail("Failed to throw an exception for local = ++this['throwingProperty']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = ++this['throwingProperty'] worked as expected;"); |
| } |
| |
| localTest = local; |
| try { |
| testCount++; |
| localTest = --this['throwingProperty']; |
| fail("Failed to throw an exception for local = --this['throwingProperty']"); |
| } catch (e) { |
| if (local !== localTest) |
| fail("assigned to local despite exception being thrown."); |
| else |
| pass("local = --this['throwingProperty'] worked as expected;"); |
| } |
| |
| |
| |
| for (var i = 0; i < unaryOps.length; i++) { |
| try { |
| createTest(unaryOps[i] + "undefinedProperty")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "undefinedProperty.imaginaryProperty")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "undefinedProperty['imaginaryProperty']")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + valueOfThrowerStr)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + toStringThrowerStr)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + throwingPropStr)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + throwingObjGetter)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "this." + valueOfThrowerStr)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "this." + toStringThrowerStr)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "this." + throwingPropStr)(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "this[valueOfThrowerStr]")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "this[toStringThrowerStr]")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + "this[throwingPropStr]")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + throwingPropStr + ".imaginaryProperty")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + throwingObjGetter + ".imaginaryProperty")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + throwingPropStr + "['imaginaryProperty']")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| try { |
| createTest(unaryOps[i] + throwingObjGetter + "['imaginaryProperty']")(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + unaryOps[i]); |
| } |
| } |
| |
| var postfixOps = ['++', '--']; |
| for (var i = 0; i < postfixOps.length; i++) { |
| try { |
| createTest("undefinedProperty" + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("undefinedProperty.imaginaryProperty" + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest(valueOfThrowerStr + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest(toStringThrowerStr + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest(throwingPropStr + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("this." + valueOfThrowerStr + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("this." + toStringThrowerStr + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("this." + throwingPropStr + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("this[valueOfThrowerStr]" + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("this[toStringThrowerStr]" + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| try { |
| createTest("this[throwingPropStr]" + postfixOps[i])(); |
| } catch(e) { |
| fail("Erroneously encountered exception " + e + " with op " + postfixOps[i]); |
| } |
| } |
| |
| rhsNonZeroNum = { valueOf: function(){ executedRHS = true; return 1; } }; |
| rhsZeroNum = { valueOf: function(){ executedRHS = true; return 0; } }; |
| rhsToStringThrower = { toString: function(){ executedRHS = true; return 'string'; }}; |
| getterThrower = { get value() { throw "throwing in getter"; }}; |
| var getterThrowerStr = "getterThrower.value"; |
| rhsGetterTester = { get value() { executedRHS = true; return 'string'; }}; |
| var rhsGetterTesterStr = "rhsGetterTester.value"; |
| |
| var executionOrder = ""; |
| window.__defineGetter__("nonThrowingIndexBase", function(){ |
| executionOrder += "nonThrowingIndexBase, "; |
| return { |
| get nonThrowingTestIndex(){ executionOrder += "get nonThrowingTestIndex, "; return undefined; }, |
| get throwingTestIndex(){ executionOrder += "get nonThrowingTestIndex, "; throw {}; return undefined; }, |
| set nonThrowingTestIndex(){ executionOrder += "set nonThrowingTestIndex, "; return undefined; }, |
| set throwingTestIndex(){ executionOrder += "set nonThrowingTestIndex, "; throw {}; return undefined; } |
| } |
| }); |
| window.__defineGetter__("throwingIndexBase", function(){ |
| executionOrder += "throwingIndexBase, "; |
| throw {}; |
| }); |
| |
| window.__defineGetter__("nonThrowingIndexNoThrowProperty", function(){ |
| return { |
| toString: function() {executionOrder += "nonThrowingIndexNoThrowProperty, "; return "nonThrowingTestIndex"; } |
| } |
| }); |
| |
| window.__defineGetter__("nonThrowingIndexThrowProperty", function(){ |
| return { |
| toString: function() {executionOrder += "nonThrowingIndexThrowProperty, "; return "throwingTestIndex"; } |
| } |
| }); |
| |
| window.__defineGetter__("throwingIndex", function(){ |
| return { |
| toString: function() {executionOrder += "throwingIndex, "; throw {};} |
| } |
| }); |
| |
| window.__defineGetter__("valueForAssignment", function(){ executionOrder += "valueForAssignment, "; return 1; }) |
| |
| function createTestWithExecOrderTest(expr, expected) { |
| // This tests that we evaluate the right hand side of a binary expression before we |
| // do any type conversion with toString and/or valueOf which may throw. |
| var functionPrefix = "(function(){ executionOrder = ''; var result = 'PASS'; try { result = "; |
| var functionPostfix = "; } catch (e) { executionOrder += '***throw***'; } if (executionOrder == expected) pass(expr); else " + |
| "fail(expr + ' executed as: <br/>' + executionOrder + ' expected: <br/>'+executionOrder); })"; |
| testCount++; |
| try { |
| return eval(functionPrefix + expr + functionPostfix); |
| } catch(e) { |
| throw new String(expr); |
| } |
| } |
| |
| createTestWithExecOrderTest("nonThrowingIndexBase[nonThrowingIndexNoThrowProperty]", "nonThrowingIndexBase, nonThrowingIndexNoThrowProperty, get nonThrowingTestIndex, ")(); |
| |
| createTestWithExecOrderTest("nonThrowingIndexBase[nonThrowingIndexThrowProperty]", "nonThrowingIndexBase, nonThrowingIndexThrowProperty, get nonThrowingTestIndex, ***throw***")(); |
| |
| createTestWithExecOrderTest("nonThrowingIndexBase[throwingIndex]", "nonThrowingIndexBase, throwingIndex, ***throw***")(); |
| |
| createTestWithExecOrderTest("throwingIndexBase[nonThrowingIndexNoThrowProperty]", "throwingIndexBase, ***throw***")(); |
| |
| createTestWithExecOrderTest("throwingIndexBase[nonThrowingIndexThrowProperty]", "throwingIndexBase, ***throw***")(); |
| |
| createTestWithExecOrderTest("throwingIndexBase[throwingIndex]", "throwingIndexBase, ***throw***")(); |
| |
| createTestWithExecOrderTest("nonThrowingIndexBase[nonThrowingIndexNoThrowProperty] = valueForAssignment", "nonThrowingIndexBase, valueForAssignment, nonThrowingIndexNoThrowProperty, set nonThrowingTestIndex, ")(); |
| |
| createTestWithExecOrderTest("nonThrowingIndexBase[nonThrowingIndexThrowProperty] = valueForAssignment", "nonThrowingIndexBase, valueForAssignment, nonThrowingIndexThrowProperty, set nonThrowingTestIndex, ***throw***")(); |
| |
| createTestWithExecOrderTest("nonThrowingIndexBase[throwingIndex] = valueForAssignment", "nonThrowingIndexBase, valueForAssignment, throwingIndex, ***throw***")(); |
| |
| createTestWithExecOrderTest("throwingIndexBase[nonThrowingIndexNoThrowProperty] = valueForAssignment", "throwingIndexBase, ***throw***")(); |
| |
| createTestWithExecOrderTest("throwingIndexBase[nonThrowingIndexThrowProperty] = valueForAssignment", "throwingIndexBase, ***throw***")(); |
| |
| createTestWithExecOrderTest("throwingIndexBase[throwingIndex] = valueForAssignment", "throwingIndexBase, ***throw***")(); |
| |
| testCount++; |
| (function() { |
| executionOrder = ""; |
| var result = true; |
| try { |
| result = Number.prototype.toString.call(false); |
| } catch (e) { |
| if (result == true) |
| pass("Number.prototype.toString.call(false)"); |
| else |
| fail("Number.prototype.toString.call(false) writes to return destination before throwing an exception"); |
| } |
| })(); |
| |
| log("Passed " + passCount + " of " + testCount + " tests."); |
| </script> |