1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/ecma_7/Array/includes.js b/js/src/tests/ecma_7/Array/includes.js
new file mode 100644
index 000000000..aa439571c
--- /dev/null
+++ b/js/src/tests/ecma_7/Array/includes.js
@@ -0,0 +1,59 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var BUGNUMBER = 1069063;
+var summary = "Implement Array.prototype.includes";
+
+print(BUGNUMBER + ": " + summary);
+
+assertEq(typeof [].includes, "function");
+assertEq([].includes.length, 1);
+
+assertTrue([1, 2, 3].includes(2));
+assertTrue([1,,2].includes(2));
+assertTrue([1, 2, 3].includes(2, 1));
+assertTrue([1, 2, 3].includes(2, -2));
+assertTrue([1, 2, 3].includes(2, -100));
+assertTrue([Object, Function, Array].includes(Function));
+assertTrue([-0].includes(0));
+assertTrue([NaN].includes(NaN));
+assertTrue([,].includes());
+assertTrue(staticIncludes("123", "2"));
+assertTrue(staticIncludes({length: 3, 1: 2}, 2));
+assertTrue(staticIncludes({length: 3, 1: 2, get 3(){throw ""}}, 2));
+assertTrue(staticIncludes({length: 3, get 1() {return 2}}, 2));
+assertTrue(staticIncludes({__proto__: {1: 2}, length: 3}, 2));
+assertTrue(staticIncludes(new Proxy([1], {get(){return 2}}), 2));
+
+assertFalse([1, 2, 3].includes("2"));
+assertFalse([1, 2, 3].includes(2, 2));
+assertFalse([1, 2, 3].includes(2, -1));
+assertFalse([undefined].includes(NaN));
+assertFalse([{}].includes({}));
+assertFalse(staticIncludes({length: 3, 1: 2}, 2, 2));
+assertFalse(staticIncludes({length: 3, get 0(){delete this[1]}, 1: 2}, 2));
+assertFalse(staticIncludes({length: -100, 0: 1}, 1));
+
+assertThrowsInstanceOf(() => staticIncludes(), TypeError);
+assertThrowsInstanceOf(() => staticIncludes(null), TypeError);
+assertThrowsInstanceOf(() => staticIncludes({get length(){throw TypeError()}}), TypeError);
+assertThrowsInstanceOf(() => staticIncludes({length: 3, get 1() {throw TypeError()}}, 2), TypeError);
+assertThrowsInstanceOf(() => staticIncludes({__proto__: {get 1() {throw TypeError()}}, length: 3}, 2), TypeError);
+assertThrowsInstanceOf(() => staticIncludes(new Proxy([1], {get(){throw TypeError()}})), TypeError);
+
+function assertTrue(v) {
+    assertEq(v, true);
+}
+
+function assertFalse(v) {
+    assertEq(v, false);
+}
+
+function staticIncludes(o, v, f) {
+    return [].includes.call(o, v, f);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);