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+// Copyright 2011 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(Boolean(void 0), false);
+assertEquals(Boolean(null), false);
+assertEquals(Boolean(false), false);
+assertEquals(Boolean(true), true);
+assertEquals(Boolean(0), false);
+assertEquals(Boolean(1), true);
+assertEquals(Boolean(assertEquals), true);
+assertEquals(Boolean(new Object()), true);
+assertTrue(new Boolean(false) !== false);
+assertTrue(new Boolean(false) == false);
+assertTrue(new Boolean(true) !== true);
+assertTrue(new Boolean(true) == true);
+
+assertEquals(true, !false);
+assertEquals(false, !true);
+assertEquals(true, !!true);
+assertEquals(false, !!false);
+
+assertEquals(true, true ? true : false);
+assertEquals(false, false ? true : false);
+
+assertEquals(false, true ? false : true);
+assertEquals(true, false ? false : true);
+
+
+assertEquals(true, true && true);
+assertEquals(false, true && false);
+assertEquals(false, false && true);
+assertEquals(false, false && false);
+
+// Regression.
+var t = 42;
+assertEquals(void 0, t.p);
+assertEquals(void 0, t.p && true);
+assertEquals(void 0, t.p && false);
+assertEquals(void 0, t.p && (t.p == 0));
+assertEquals(void 0, t.p && (t.p == null));
+assertEquals(void 0, t.p && (t.p == t.p));
+
+var o = new Object();
+o.p = 'foo';
+assertEquals('foo', o.p);
+assertEquals('foo', o.p || true);
+assertEquals('foo', o.p || false);
+assertEquals('foo', o.p || (o.p == 0));
+assertEquals('foo', o.p || (o.p == null));
+assertEquals('foo', o.p || (o.p == o.p));