Fix d8's Shell::ReadBuffer after r18227

test/mjsunit/regress/d8-readbuffer.js

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2014 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.
 
-// Flags: --allow-natives-syntax
+// Test that reading a file actually returns the file's contents.
 
-// ARM's code generator for LBranch had a bug, swapping the true/false
-// branches when the representation of the condition is a double.
+// Env: TEST_FILE_NAME
+assertEquals("string", typeof TEST_FILE_NAME);
 
-function foo() {
-  return Math.sqrt(2.6415) ? 88 : 99;
+var a = new Uint8Array(readbuffer(TEST_FILE_NAME));
+
+// First line of this file.
+var expected = "// Copyright 2014 the V8 project authors. All rights reserved.";
+
+for (var i = 0; i < expected.length; i++) {
+  assertEquals(expected.charCodeAt(i), a[i]);
 }
-
-assertEquals(88, foo());
-assertEquals(88, foo());
-%OptimizeFunctionOnNextCall(foo)
-assertEquals(88, foo());