Split test/mjsunit/math-floor into smaller chunks

test/mjsunit/math-floor-part2.js

 // 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.
 
-// Test the case when exception is thrown from the parser when lazy
-// compiling a function.
+// Flags: --max-new-space-size=256 --allow-natives-syntax
 
-// Flags: --stack_size=32
-// NOTE: stack size constant above has been empirically chosen.
-// If the test starts to fail in Genesis, consider increasing this constant.
+var test_id = 0;
+
+function testFloor(expect, input) {
+  var test = new Function('n',
+                          '"' + (test_id++) + '";return Math.floor(n)');
+  assertEquals(expect, test(input));
+  assertEquals(expect, test(input));
+  assertEquals(expect, test(input));
+  %OptimizeFunctionOnNextCall(test);
+  assertEquals(expect, test(input));
+}
+
+function zero() {
+  var x = 0.5;
+  return (function() { return x - 0.5; })();
+}
 
 function test() {
-  try {
-    test(1, test(1));
-  } catch(e) {
-    assertFalse(delete e, "deleting catch variable");
-    assertEquals(42, e);
-  }
+  // 2^30 is a smi boundary.
+  var two_30 = 1 << 30;
+
+  testFloor(two_30, two_30);
+  testFloor(two_30, two_30 + 0.1);
+  testFloor(two_30, two_30 + 0.5);
+  testFloor(two_30, two_30 + 0.7);
+
+  testFloor(two_30 - 1, two_30 - 1);
+  testFloor(two_30 - 1, two_30 - 1 + 0.1);
+  testFloor(two_30 - 1, two_30 - 1 + 0.5);
+  testFloor(two_30 - 1, two_30 - 1 + 0.7);
+
+  testFloor(-two_30, -two_30);
+  testFloor(-two_30, -two_30 + 0.1);
+  testFloor(-two_30, -two_30 + 0.5);
+  testFloor(-two_30, -two_30 + 0.7);
+
+  testFloor(-two_30 + 1, -two_30 + 1);
+  testFloor(-two_30 + 1, -two_30 + 1 + 0.1);
+  testFloor(-two_30 + 1, -two_30 + 1 + 0.5);
+  testFloor(-two_30 + 1, -two_30 + 1 + 0.7);
 }
 
-var exception = false;
-try {
+
+// Test in a loop to cover the custom IC and GC-related issues.
+for (var i = 0; i < 100; i++) {
   test();
-} catch (e) {
-  exception = true;
 }
-assertTrue(exception);