// Copyright 2013 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. assertEquals(1, String.prototype.includes.length); var s = 'a'; assertFalse(s.includes(null)); assertFalse(s.includes(undefined)); assertFalse(s.includes()); var reString = "asdf[a-z]+(asdf)?"; assertTrue(reString.includes("[a-z]+")); assertTrue(reString.includes("(asdf)?")); // Random greek letters var twoByteString = "\u039a\u0391\u03a3\u03a3\u0395"; // Test single char pattern assertTrue(twoByteString.includes("\u039a"), "Lamda"); assertTrue(twoByteString.includes("\u0391"), "Alpha"); assertTrue(twoByteString.includes("\u03a3"), "First Sigma"); assertTrue(twoByteString.includes("\u03a3",3), "Second Sigma"); assertTrue(twoByteString.includes("\u0395"), "Epsilon"); assertFalse(twoByteString.includes("\u0392"), "Not beta"); // Test multi-char pattern assertTrue(twoByteString.includes("\u039a\u0391"), "lambda Alpha"); assertTrue(twoByteString.includes("\u0391\u03a3"), "Alpha Sigma"); assertTrue(twoByteString.includes("\u03a3\u03a3"), "Sigma Sigma"); assertTrue(twoByteString.includes("\u03a3\u0395"), "Sigma Epsilon"); assertFalse(twoByteString.includes("\u0391\u03a3\u0395"), "Not Alpha Sigma Epsilon"); //single char pattern assertTrue(twoByteString.includes("\u0395")); assertThrows("String.prototype.includes.call(null, 'test')", TypeError); assertThrows("String.prototype.includes.call(null, null)", TypeError); assertThrows("String.prototype.includes.call(undefined, undefined)", TypeError); assertThrows("String.prototype.includes.apply(null, ['test'])", TypeError); assertThrows("String.prototype.includes.apply(null, [null])", TypeError); assertThrows("String.prototype.includes.apply(undefined, [undefined])", TypeError); var TEST_INPUT = [{ msg: "Empty string", val: "" }, { msg: "Number 1234.34", val: 1234.34 }, { msg: "Integer number 0", val: 0 }, { msg: "Negative number -1", val: -1 }, { msg: "Boolean true", val: true }, { msg: "Boolean false", val: false }, { msg: "Empty array []", val: [] }, { msg: "Empty object {}", val: {} }, { msg: "Array of size 3", val: new Array(3) }]; var i = 0; var l = TEST_INPUT.length; for (; i < l; i++) { var e = TEST_INPUT[i]; var v = e.val; var s = String(v); assertTrue(s.includes(v), e.msg); assertTrue(String.prototype.includes.call(v, v), e.msg); assertTrue(String.prototype.includes.apply(v, [v]), e.msg); } // Test cases found in FF assertTrue("abc".includes("a")); assertTrue("abc".includes("b")); assertTrue("abc".includes("abc")); assertTrue("abc".includes("bc")); assertFalse("abc".includes("d")); assertFalse("abc".includes("abcd")); assertFalse("abc".includes("ac")); assertTrue("abc".includes("abc", 0)); assertTrue("abc".includes("bc", 0)); assertFalse("abc".includes("de", 0)); assertTrue("abc".includes("bc", 1)); assertTrue("abc".includes("c", 1)); assertFalse("abc".includes("a", 1)); assertFalse("abc".includes("abc", 1)); assertTrue("abc".includes("c", 2)); assertFalse("abc".includes("d", 2)); assertFalse("abc".includes("dcd", 2)); assertFalse("abc".includes("a", 42)); assertFalse("abc".includes("a", Infinity)); assertTrue("abc".includes("ab", -43)); assertFalse("abc".includes("cd", -42)); assertTrue("abc".includes("ab", -Infinity)); assertFalse("abc".includes("cd", -Infinity)); assertTrue("abc".includes("ab", NaN)); assertFalse("abc".includes("cd", NaN)); assertFalse("xyzzy".includes("zy\0", 2)); var dots = Array(10000).join("."); assertFalse(dots.includes("\x01", 10000)); assertFalse(dots.includes("\0", 10000)); var myobj = { toString: function () { return "abc"; }, includes: String.prototype.includes }; assertTrue(myobj.includes("abc")); assertFalse(myobj.includes("cd")); var gotStr = false; var gotPos = false; myobj = { toString: function () { assertFalse(gotPos); gotStr = true; return "xyz"; }, includes: String.prototype.includes }; assertEquals("foo[a-z]+(bar)?".includes("[a-z]+"), true); assertThrows("'foo[a-z]+(bar)?'.includes(/[a-z]+/)", TypeError); assertThrows("'foo/[a-z]+/(bar)?'.includes(/[a-z]+/)", TypeError); assertEquals("foo[a-z]+(bar)?".includes("(bar)?"), true); assertThrows("'foo[a-z]+(bar)?'.includes(/(bar)?/)", TypeError); assertThrows("'foo[a-z]+/(bar)?/'.includes(/(bar)?/)", TypeError); assertThrows("String.prototype.includes.call({ 'toString': function() { " + "throw RangeError(); } }, /./)", RangeError); assertThrows("String.prototype.includes.call({ 'toString': function() { " + "return 'abc'; } }, /./)", TypeError); assertThrows("String.prototype.includes.apply({ 'toString': function() { " + "throw RangeError(); } }, [/./])", RangeError); assertThrows("String.prototype.includes.apply({ 'toString': function() { " + "return 'abc'; } }, [/./])", TypeError); // includes does its brand checks with Symbol.match var re = /./; assertThrows(function() { "".includes(re); }, TypeError); re[Symbol.match] = false; assertEquals(false, "".includes(re));