* Generate quick checks based on mask and compare for...

test/mjsunit/regexp.js

 // Copyright 2008 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
@@ skipping 288 matching lines @@
 assertFalse(/[abc]</i.test('x'));
 assertFalse(/[abc]</i.test('xa'));
 assertFalse(/f[abc]/.test('x'));
 assertFalse(/f[abc]/.test('xa'));
 assertFalse(/<[abc]/.test('x'));
 assertFalse(/<[abc]/.test('xa'));
 assertFalse(/f[abc]/i.test('x'));
 assertFalse(/f[abc]/i.test('xa'));
 assertFalse(/<[abc]/i.test('x'));
 assertFalse(/<[abc]/i.test('xa'));
+
+// Test that merging of quick test masks gets it right.
+assertFalse(/x([0-7]%%x|[0-6]%%y)/.test('x7%%y'), 'qt');
+assertFalse(/()x\1(y([0-7]%%%x|[0-6]%%%y)|dkjasldkas)/.test('xy7%%%y'), 'qt2');
+assertFalse(/()x\1(y([0-7]%%%x|[0-6]%%%y)|dkjasldkas)/.test('xy%%%y'), 'qt3');
+assertFalse(/()x\1y([0-7]%%%x|[0-6]%%%y)/.test('xy7%%%y'), 'qt4');
+assertFalse(/()x\1(y([0-7]%%%x|[0-6]%%%y)|dkjasldkas)/.test('xy%%%y'), 'qt5');
+assertFalse(/()x\1y([0-7]%%%x|[0-6]%%%y)/.test('xy7%%%y'), 'qt6');
+assertFalse(/xy([0-7]%%%x|[0-6]%%%y)/.test('xy7%%%y'), 'qt7');
+assertFalse(/x([0-7]%%%x|[0-6]%%%y)/.test('x7%%%y'), 'qt8');