Adding ElementsAccessor::Splice

test/mjsunit/array-splice.js

Index: test/mjsunit/array-splice.js
diff --git a/test/mjsunit/array-splice.js b/test/mjsunit/array-splice.js
index be2b1064e6a12f49d00e713a42b126a4eb45c485..744e95454b97759183624a619d29babbc7864a3b 100644
--- a/test/mjsunit/array-splice.js
+++ b/test/mjsunit/array-splice.js
@@ -116,16 +116,41 @@
     assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(-1e100);
+    assertEquals([], array);
+    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(-3);
     assertEquals([1, 2, 3, 4], array);
     assertEquals([5, 6, 7], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(-3.999999);
+    assertEquals([1, 2, 3, 4], array);
+    assertEquals([5, 6, 7], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(-3.000001);
+    assertEquals([1, 2, 3, 4], array);
+    assertEquals([5, 6, 7], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(4);
     assertEquals([1, 2, 3, 4], array);
     assertEquals([5, 6, 7], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(4.999999);
+    assertEquals([1, 2, 3, 4], array);
+    assertEquals([5, 6, 7], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(4.000001);
+    assertEquals([1, 2, 3, 4], array);
+    assertEquals([5, 6, 7], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(6);
     assertEquals([1, 2, 3, 4, 5, 6], array);
     assertEquals([7], spliced);
@@ -146,21 +171,51 @@
     assertEquals([], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(1e100);
+    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
+    assertEquals([], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(0, -100);
     assertEquals([1, 2, 3, 4, 5, 6, 7], array);
     assertEquals([], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(0, -1e100);
+    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
+    assertEquals([], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(0, -3);
     assertEquals([1, 2, 3, 4, 5, 6, 7], array);
     assertEquals([], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(0, -3.999999);
+    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
+    assertEquals([], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(0, -3.000001);
+    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
+    assertEquals([], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(0, 4);
     assertEquals([5, 6, 7], array);
     assertEquals([1, 2, 3, 4], spliced);
 
     array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(0, 4.999999);
+    assertEquals([5, 6, 7], array);
+    assertEquals([1, 2, 3, 4], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(0, 4.000001);
+    assertEquals([5, 6, 7], array);
+    assertEquals([1, 2, 3, 4], spliced);
+
+    array = [1, 2, 3, 4, 5, 6, 7];
     spliced = array.splice(0, 6);
     assertEquals([7], array);
     assertEquals([1, 2, 3, 4, 5, 6], spliced);
@@ -180,6 +235,11 @@
     assertEquals([], array);
     assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
 
+    array = [1, 2, 3, 4, 5, 6, 7];
+    spliced = array.splice(0, 1e100);
+    assertEquals([], array);
+    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
+
     // Some exotic cases.
     obj = { toString: function() { throw 'Exception'; } };