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      1 // Copyright 2008 the V8 project authors. All rights reserved.
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      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
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     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
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     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 /**
     29  * @fileoverview Check that various regexp constructs work as intended.
     30  * Particularly those regexps that use ^ and $.
     31  */
     32 
     33 assertTrue(/^bar/.test("bar"));
     34 assertTrue(/^bar/.test("bar\nfoo"));
     35 assertFalse(/^bar/.test("foo\nbar"));
     36 assertTrue(/^bar/m.test("bar"));
     37 assertTrue(/^bar/m.test("bar\nfoo"));
     38 assertTrue(/^bar/m.test("foo\nbar"));
     39 
     40 assertTrue(/bar$/.test("bar"));
     41 assertFalse(/bar$/.test("bar\nfoo"));
     42 assertTrue(/bar$/.test("foo\nbar"));
     43 assertTrue(/bar$/m.test("bar"));
     44 assertTrue(/bar$/m.test("bar\nfoo"));
     45 assertTrue(/bar$/m.test("foo\nbar"));
     46 
     47 assertFalse(/^bxr/.test("bar"));
     48 assertFalse(/^bxr/.test("bar\nfoo"));
     49 assertFalse(/^bxr/m.test("bar"));
     50 assertFalse(/^bxr/m.test("bar\nfoo"));
     51 assertFalse(/^bxr/m.test("foo\nbar"));
     52 
     53 assertFalse(/bxr$/.test("bar"));
     54 assertFalse(/bxr$/.test("foo\nbar"));
     55 assertFalse(/bxr$/m.test("bar"));
     56 assertFalse(/bxr$/m.test("bar\nfoo"));
     57 assertFalse(/bxr$/m.test("foo\nbar"));
     58 
     59 
     60 assertTrue(/^.*$/.test(""));
     61 assertTrue(/^.*$/.test("foo"));
     62 assertFalse(/^.*$/.test("\n"));
     63 assertTrue(/^.*$/m.test("\n"));
     64 
     65 assertTrue(/^[\s]*$/.test(" "));
     66 assertTrue(/^[\s]*$/.test("\n"));
     67 
     68 assertTrue(/^[^]*$/.test(""));
     69 assertTrue(/^[^]*$/.test("foo"));
     70 assertTrue(/^[^]*$/.test("\n"));
     71 
     72 assertTrue(/^([()\s]|.)*$/.test("()\n()"));
     73 assertTrue(/^([()\n]|.)*$/.test("()\n()"));
     74 assertFalse(/^([()]|.)*$/.test("()\n()"));
     75 assertTrue(/^([()]|.)*$/m.test("()\n()"));
     76 assertTrue(/^([()]|.)*$/m.test("()\n"));
     77 assertTrue(/^[()]*$/m.test("()\n."));
     78 
     79 assertTrue(/^[\].]*$/.test("...]..."));
     80 
     81 
     82 function check_case(lc, uc) {
     83   var a = new RegExp("^" + lc + "$");
     84   assertFalse(a.test(uc));
     85   a = new RegExp("^" + lc + "$", "i");
     86   assertTrue(a.test(uc));
     87 
     88   var A = new RegExp("^" + uc + "$");
     89   assertFalse(A.test(lc));
     90   A = new RegExp("^" + uc + "$", "i");
     91   assertTrue(A.test(lc));
     92 
     93   a = new RegExp("^[" + lc + "]$");
     94   assertFalse(a.test(uc));
     95   a = new RegExp("^[" + lc + "]$", "i");
     96   assertTrue(a.test(uc));
     97 
     98   A = new RegExp("^[" + uc + "]$");
     99   assertFalse(A.test(lc));
    100   A = new RegExp("^[" + uc + "]$", "i");
    101   assertTrue(A.test(lc));
    102 }
    103 
    104 
    105 check_case("a", "A");
    106 // Aring
    107 check_case(String.fromCharCode(229), String.fromCharCode(197));
    108 // Russian G
    109 check_case(String.fromCharCode(0x413), String.fromCharCode(0x433));
    110 
    111 
    112 assertThrows("a = new RegExp('[z-a]');");
    113