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-rw-r--r--js/src/jit-test/tests/ion/testInArray.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/testInArray.js b/js/src/jit-test/tests/ion/testInArray.js
new file mode 100644
index 000000000..8650d7d3d
--- /dev/null
+++ b/js/src/jit-test/tests/ion/testInArray.js
@@ -0,0 +1,41 @@
+function test1() {
+ var dense = [1, 2, 3];
+ var denseHoles = [1, , 3];
+ var result = 0;
+
+ for (var i = 0; i < 70; i++) {
+ if (i in dense) result += 1;
+ if (1 in dense) result += 2;
+ if (3 in dense) result += 3;
+ if (-1000 in dense) result += 4;
+ if (i in denseHoles) result += 5;
+ if (1 in denseHoles) result += 6;
+ }
+
+ assertEq(result, 153);
+}
+test1();
+
+function test2() {
+ var a = [1, 2, 3];
+
+ for (var i = 0; i < 70; i++) {
+ assertEq(-0 in a, true);
+ assertEq(Math.sqrt(4) in a, true);
+ assertEq(1.9 in a, false);
+ assertEq(NaN in a, false);
+ assertEq(Infinity in a, false);
+ }
+}
+test2();
+
+function test3() {
+ var a = [1, , 3];
+
+ for (var i = 0; i < 70; i++) {
+ if (i == 60)
+ Object.prototype[1] = null;
+ assertEq(1 in a, i >= 60);
+ }
+}
+test3(); \ No newline at end of file