/* * Any copyright is dedicated to the Public Domain. * http://creativecommons.org/licenses/publicdomain/ */ var BUGNUMBER = 1253099; var summary = "RegExp.prototype.compile must perform all its steps *except* setting " + ".lastIndex, then throw, when provided a RegExp whose .lastIndex has been " + "made non-writable"; print(BUGNUMBER + ": " + summary); /************** * BEGIN TEST * **************/ var regex = /foo/i; // Aside from making .lastIndex non-writable, this has two incidental effects // ubiquitously tested through the remainder of this test: // // * RegExp.prototype.compile will do everything it ordinarily does, BUT it // will throw a TypeError when attempting to zero .lastIndex immediately // before succeeding overall. // * RegExp.prototype.test for a non-global and non-sticky regular expression, // in case of a match, will return true (as normal). BUT if no match is // found, it will throw a TypeError when attempting to modify .lastIndex. // // Ain't it great? Object.defineProperty(regex, "lastIndex", { value: 42, writable: false }); assertEq(regex.global, false); assertEq(regex.ignoreCase, true); assertEq(regex.multiline, false); assertEq(regex.unicode, false); assertEq(regex.sticky, false); assertEq(Object.getOwnPropertyDescriptor(regex, "lastIndex").writable, false); assertEq(regex.lastIndex, 42); assertEq(regex.test("foo"), true); assertEq(regex.test("FOO"), true); assertThrowsInstanceOf(() => regex.test("bar"), TypeError); assertThrowsInstanceOf(() => regex.test("BAR"), TypeError); assertThrowsInstanceOf(() => regex.compile("bar"), TypeError); assertEq(regex.global, false); assertEq(regex.ignoreCase, false); assertEq(regex.multiline, false); assertEq(regex.unicode, false); assertEq(regex.sticky, false); assertEq(Object.getOwnPropertyDescriptor(regex, "lastIndex").writable, false); assertEq(regex.lastIndex, 42); assertThrowsInstanceOf(() => regex.test("foo"), TypeError); assertThrowsInstanceOf(() => regex.test("FOO"), TypeError); assertEq(regex.test("bar"), true); assertThrowsInstanceOf(() => regex.test("BAR"), TypeError); assertThrowsInstanceOf(() => regex.compile("^baz", "m"), TypeError); assertEq(regex.global, false); assertEq(regex.ignoreCase, false); assertEq(regex.multiline, true); assertEq(regex.unicode, false); assertEq(regex.sticky, false); assertEq(Object.getOwnPropertyDescriptor(regex, "lastIndex").writable, false); assertEq(regex.lastIndex, 42); assertThrowsInstanceOf(() => regex.test("foo"), TypeError); assertThrowsInstanceOf(() => regex.test("FOO"), TypeError); assertThrowsInstanceOf(() => regex.test("bar"), TypeError); assertThrowsInstanceOf(() => regex.test("BAR"), TypeError); assertEq(regex.test("baz"), true); assertThrowsInstanceOf(() => regex.test("BAZ"), TypeError); assertThrowsInstanceOf(() => regex.test("012345678901234567890123456789012345678901baz"), TypeError); assertEq(regex.test("012345678901234567890123456789012345678901\nbaz"), true); assertThrowsInstanceOf(() => regex.test("012345678901234567890123456789012345678901BAZ"), TypeError); assertThrowsInstanceOf(() => regex.test("012345678901234567890123456789012345678901\nBAZ"), TypeError); /******************************************************************************/ if (typeof reportCompare === "function") reportCompare(true, true); print("Tests complete");