rhino1.7.7.testsrc.jstests.harmony.string-repeat.js Maven / Gradle / Ivy

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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.
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// 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.

load("testsrc/assert.js");

assertEquals(1, String.prototype.repeat.length);

assertEquals("000", String.prototype.repeat.call(0, 3));
assertEquals("-1-1-1", String.prototype.repeat.call(-1, 3));
assertEquals("2.12.12.1", String.prototype.repeat.call(2.1, 3));
assertEquals("", String.prototype.repeat.call([], 3));
assertEquals("1,2,3", String.prototype.repeat.call([1, 2, 3], 1));
assertEquals("true", String.prototype.repeat.call(true, 1));
assertEquals("false", String.prototype.repeat.call(false, 1));
assertEquals("[object Object]", String.prototype.repeat.call({}, 1));

assertEquals("000", String.prototype.repeat.apply(0, [3]));
assertEquals("-1-1-1", String.prototype.repeat.apply(-1, [3]));
assertEquals("2.12.12.1", String.prototype.repeat.apply(2.1, [3]));
assertEquals("", String.prototype.repeat.apply([], [3]));
assertEquals("1,2,3", String.prototype.repeat.apply([1, 2, 3], [1]));
assertEquals("true", String.prototype.repeat.apply(true, [1]));
assertEquals("false", String.prototype.repeat.apply(false, [1]));
assertEquals("[object Object]", String.prototype.repeat.apply({}, [1]));

assertEquals("\u10D8\u10D8\u10D8", "\u10D8".repeat(3));

assertThrows('String.prototype.repeat.call(null, 1)', TypeError);
assertThrows('String.prototype.repeat.call(undefined, 1)', TypeError);
assertThrows('String.prototype.repeat.apply(null, [1])', TypeError);
assertThrows('String.prototype.repeat.apply(undefined, [1])', TypeError);

// Test cases found in FF
assertEquals("abc", "abc".repeat(1));
assertEquals("abcabc", "abc".repeat(2));
assertEquals("abcabcabc", "abc".repeat(3));
assertEquals("aaaaaaaaaa", "a".repeat(10));
assertEquals("", "".repeat(5));
assertEquals("", "abc".repeat(0));
assertEquals("abcabc", "abc".repeat(2.0));

assertEquals("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "a".repeat(37));
assertThrows('"a".repeat(-1)', RangeError);
assertThrows('"a".repeat(Number.POSITIVE_INFINITY)', RangeError);
assertThrows('"a".repeat(Infinity)', RangeError);
assertThrows('"a".repeat(+Infinity)', RangeError);

//assertThrows('"a".repeat(Math.pow(2, 30))', RangeError);
//assertThrows('"a".repeat(Math.pow(2, 40))', RangeError);

var myobj = {
  toString: function() {
    return "abc";
  },
  repeat : String.prototype.repeat
};
assertEquals("abc", myobj.repeat(1));
assertEquals("abcabc", myobj.repeat(2));

"success";