From 6a440ee61600e11aaca65079c79342b030f09b43 Mon Sep 17 00:00:00 2001
From: Leonardo Balter <leonardo.balter@gmail.com>
Date: Wed, 22 Jul 2015 18:07:12 -0400
Subject: [PATCH] Update tests for Array.prototype.findIndex
---
.../Array.prototype.findIndex_arity.js | 13 ---
.../Array.prototype.findIndex_basic.js | 17 ---
...prototype.findIndex_called-length-times.js | 24 ----
.../Array.prototype.findIndex_exceptions.js | 107 ------------------
...Array.prototype.findIndex_exotic-object.js | 42 -------
...Array.prototype.findIndex_modifications.js | 23 ----
...ype.findIndex_not-called-on-empty-array.js | 32 ------
...prototype.findIndex_predicate-arguments.js | 34 ------
...Index_this-arg-receiver-coercion-strict.js | 13 ---
...e.findIndex_this-arg-receiver-primitive.js | 17 ---
...e.findIndex_this-arg-receiver-reference.js | 12 --
.../Array.prototype.findIndex_this-arg.js | 42 -------
...x_treats-holes-as-undefined-not-skipped.js | 11 --
.../Array.prototype.findIndex_with-string.js | 49 --------
.../findIndex/array-altered-during-loop.js | 47 ++++++++
.../Array/prototype/findIndex/findIndex.js | 19 ++++
.../Array/prototype/findIndex/length.js | 18 +++
.../Array/prototype/findIndex/name.js | 22 ++++
.../findIndex/predicate-call-parameters.js | 45 ++++++++
.../predicate-call-this-non-strict.js | 32 ++++++
.../findIndex/predicate-call-this-strict.js | 32 ++++++
...redicate-called-for-each-array-property.js | 26 +++++
.../predicate-is-not-callable-throws.js | 49 ++++++++
.../predicate-not-called-on-empty-array.js | 35 ++++++
.../return-abrupt-from-predicate-call.js | 25 ++++
.../findIndex/return-abrupt-from-property.js | 31 +++++
...eturn-abrupt-from-this-length-as-symbol.js | 25 ++++
.../return-abrupt-from-this-length.js | 38 +++++++
.../findIndex/return-abrupt-from-this.js | 21 ++++
.../return-index-predicate-result-is-true.js | 53 +++++++++
...ve-one-if-predicate-returns-false-value.js | 43 +++++++
31 files changed, 561 insertions(+), 436 deletions(-)
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_arity.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_basic.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_called-length-times.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exceptions.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exotic-object.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_modifications.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_not-called-on-empty-array.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_predicate-arguments.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-coercion-strict.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-primitive.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-reference.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_treats-holes-as-undefined-not-skipped.js
delete mode 100644 test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_with-string.js
create mode 100644 test/built-ins/Array/prototype/findIndex/array-altered-during-loop.js
create mode 100644 test/built-ins/Array/prototype/findIndex/findIndex.js
create mode 100644 test/built-ins/Array/prototype/findIndex/length.js
create mode 100644 test/built-ins/Array/prototype/findIndex/name.js
create mode 100644 test/built-ins/Array/prototype/findIndex/predicate-call-parameters.js
create mode 100644 test/built-ins/Array/prototype/findIndex/predicate-call-this-non-strict.js
create mode 100644 test/built-ins/Array/prototype/findIndex/predicate-call-this-strict.js
create mode 100644 test/built-ins/Array/prototype/findIndex/predicate-called-for-each-array-property.js
create mode 100644 test/built-ins/Array/prototype/findIndex/predicate-is-not-callable-throws.js
create mode 100644 test/built-ins/Array/prototype/findIndex/predicate-not-called-on-empty-array.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-abrupt-from-predicate-call.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-abrupt-from-property.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length-as-symbol.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-abrupt-from-this.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-index-predicate-result-is-true.js
create mode 100644 test/built-ins/Array/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_arity.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_arity.js
deleted file mode 100644
index 622ceb5623..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_arity.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-
-assert.sameValue(1, Array.prototype.findIndex.length);
-
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_basic.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_basic.js
deleted file mode 100644
index 2b9db5c681..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_basic.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-var a = [21, 22, 23, 24];
-assert.sameValue(a.findIndex(function() { return false; }), -1);
-assert.sameValue(a.findIndex(function(val) { return 121 === val; }), -1);
-assert.sameValue(a.findIndex(function() { return true; }), 0);
-assert.sameValue(a.findIndex(function(val) { return 22 === val; }), 1);
-assert.sameValue(a.findIndex(function(val) { return 23 === val; }), 2);
-assert.sameValue(a.findIndex(function(val) { return 24 === val; }), 3);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_called-length-times.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_called-length-times.js
deleted file mode 100644
index dc3cbe85e7..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_called-length-times.js
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-//
-// Test predicate is called array.length times
-//
-(function() {
- var a = [1, 2, 3, 4, 5];
- var l = 0;
-
- a.findIndex(function() {
- l++;
- return false;
- });
-
- assert.sameValue(a.length, l);
-})();
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exceptions.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exceptions.js
deleted file mode 100644
index 11abc79b1c..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exceptions.js
+++ /dev/null
@@ -1,107 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-// Test exceptions
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call(null, function() { });
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call(undefined, function() { });
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply(null, function() { }, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply(undefined, function() { }, []);
-});
-
-assert.throws(TypeError, function() {
- [].findIndex(null);
-});
-assert.throws(TypeError, function() {
- [].findIndex(undefined);
-});
-assert.throws(TypeError, function() {
- [].findIndex(0);
-});
-assert.throws(TypeError, function() {
- [].findIndex(true);
-});
-assert.throws(TypeError, function() {
- [].findIndex(false);
-});
-assert.throws(TypeError, function() {
- [].findIndex("");
-});
-assert.throws(TypeError, function() {
- [].findIndex({});
-});
-assert.throws(TypeError, function() {
- [].findIndex([]);
-});
-assert.throws(TypeError, function() {
- [].findIndex(/\d+/);
-});
-
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, null);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, undefined);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, 0);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, true);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, false);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, "");
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, {});
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.call({}, /\d+/);
-});
-
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, null, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, undefined, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, 0, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, true, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, false, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, "", []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, {}, []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, [], []);
-});
-assert.throws(TypeError, function() {
- Array.prototype.findIndex.apply({}, /\d+/, []);
-});
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exotic-object.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exotic-object.js
deleted file mode 100644
index 888b17e179..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_exotic-object.js
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
-includes: [compareArray.js]
----*/
-//
-// Test Array.prototype.findIndex works with exotic object
-//
-var l = -1;
-var o = -1;
-var v = -1;
-var k = -1;
-var a = {
- prop1: "val1",
- prop2: "val2",
- isValid: function() {
- return this.prop1 === "val1" && this.prop2 === "val2";
- }
-};
-
-Array.prototype.push.apply(a, [30, 31, 32]);
-
-var index = Array.prototype.findIndex.call(a, function(val, key, obj) {
- o = obj;
- l = obj.length;
- v = val;
- k = key;
-
- return !obj.isValid();
-});
-
-assert(compareArray(o, a));
-assert.sameValue(l, 3);
-assert.sameValue(v, 32);
-assert.sameValue(k, 2);
-assert.sameValue(index, -1);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_modifications.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_modifications.js
deleted file mode 100644
index a1c8d28b41..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_modifications.js
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
-includes: [compareArray.js]
----*/
-//
-// Test array modifications
-//
-var a = [1, 2, 3];
-a.findIndex(function(val) { a.push(val); return false; });
-assert(compareArray(a, [1, 2, 3, 1, 2, 3]));
-assert.sameValue(a.length, 6);
-
-a = [1, 2, 3];
-a.findIndex(function(val, key) { a[key] = ++val; return false; });
-assert(compareArray(a, [2, 3, 4]));
-assert.sameValue(a.length, 3);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_not-called-on-empty-array.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_not-called-on-empty-array.js
deleted file mode 100644
index 9f9db8b324..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_not-called-on-empty-array.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-//
-// Test predicate is not called when array is empty
-//
-var a = [];
-var l = -1;
-var o = -1;
-var v = -1;
-var k = -1;
-
-a.findIndex(function(val, key, obj) {
- o = obj;
- l = obj.length;
- v = val;
- k = key;
-
- return false;
-});
-
-assert.sameValue(-1, l);
-assert.sameValue(-1, o);
-assert.sameValue(-1, v);
-assert.sameValue(-1, k);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_predicate-arguments.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_predicate-arguments.js
deleted file mode 100644
index 08c4a7dee1..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_predicate-arguments.js
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
-
- Test predicate is called with correct arguments
-
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
-includes: [compareArray.js]
----*/
-var a = ["b"];
-var l = -1;
-var o = -1;
-var v = -1;
-var k = -1;
-
-var index = a.findIndex(function(val, key, obj) {
- o = obj;
- l = obj.length;
- v = val;
- k = key;
-
- return false;
-});
-
-assert(compareArray(o, a));
-assert.sameValue(l, a.length);
-assert.sameValue(v, "b");
-assert.sameValue(k, 0);
-assert.sameValue(index, -1);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-coercion-strict.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-coercion-strict.js
deleted file mode 100644
index f343507f0b..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-coercion-strict.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- In strict mode primitive value thisArg should not be coerced to an object.
-flags: [onlyStrict]
----*/
-var a = [];
-[1, 2].findIndex(function() { a.push(this); }, "");
-assert.sameValue(a[0], "");
-assert.sameValue(a[1], a[0]);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-primitive.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-primitive.js
deleted file mode 100644
index 3f2c44f831..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-primitive.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- Create a new object in each function call when receiver is a
- primitive value. See ECMA-262, Annex C.
-flags: [noStrict]
----*/
-var a = [];
-[1, 2].findIndex(function() { a.push(this) }, "");
-assert(a[0] !== a[1]);
-
-var b = [];
-[1, 2].findIndex(function() { b.push(this) }, 1);
-assert(b[0] !== b[1]);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-reference.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-reference.js
deleted file mode 100644
index 4c89bd813b..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg-receiver-reference.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- Do not create a new object in each function call when receiver is a
- non-primitive value. See ECMA-262, Annex C.
----*/
-var a = [];
-[1, 2].findIndex(function() { a.push(this) }, {});
-assert.sameValue(a[1], a[0]);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg.js
deleted file mode 100644
index d166f8592f..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_this-arg.js
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-//
-// Test thisArg
-//
-// Test String as a thisArg
-var index = [1, 2, 3].findIndex(function(val, key) {
- return this.charAt(Number(key)) === String(val);
-}, "321");
-assert.sameValue(index, 1);
-
-// Test object as a thisArg
-var thisArg = {
- elementAt: function(key) {
- return this[key];
- }
-};
-Array.prototype.push.apply(thisArg, ["c", "b", "a"]);
-
-index = ["a", "b", "c"].findIndex(function(val, key) {
- return this.elementAt(key) === val;
-}, thisArg);
-assert.sameValue(index, 1);
-
-// Check thisArg parameter does not change.
-var a = [];
-[1, 2].findIndex(function() { a.push(this) }, {});
-assert.sameValue(a[1], a[0]);
-
-// In strict mode primitive values should not be coerced to an object.
-a = [];
-[1, 2].findIndex(function() { 'use strict'; a.push(this); }, "");
-assert.sameValue(a[0], "");
-assert.sameValue(a[1], a[0]);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_treats-holes-as-undefined-not-skipped.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_treats-holes-as-undefined-not-skipped.js
deleted file mode 100644
index 489d41c02f..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_treats-holes-as-undefined-not-skipped.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- Holes are not skipped
----*/
-var count = 0;
-[,,,,,].find(function() { count++; return false; });
-assert.sameValue(count, 5);
diff --git a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_with-string.js b/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_with-string.js
deleted file mode 100644
index a48fc0504e..0000000000
--- a/test/built-ins/Array/prototype/findIndex/Array.prototype.findIndex_with-string.js
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright (c) 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-/*---
-es6id: 22.1.3.9
-description: >
- The findIndex() method returns an index in the array, if an element
- in the array satisfies the provided testing function. Otherwise -1 is returned.
-
- Test Array.prototype.findIndex works with String
-
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
----*/
-var a = "abcd";
-var l = -1;
-var o = -1;
-var v = -1;
-var k = -1;
-
-var index = Array.prototype.findIndex.call(a, function(val, key, obj) {
- o = obj.toString();
- l = obj.length;
- v = val;
- k = key;
-
- return false;
-});
-
-assert.sameValue(o, a);
-assert.sameValue(l, a.length);
-assert.sameValue(v, "d");
-assert.sameValue(k, 3);
-assert.sameValue(index, -1);
-
-index = Array.prototype.findIndex.apply(a, [function(val, key, obj) {
- o = obj.toString();
- l = obj.length;
- v = val;
- k = key;
-
- return true;
-}]);
-
-assert.sameValue(o, a);
-assert.sameValue(l, a.length);
-assert.sameValue(v, "a");
-assert.sameValue(k, 0);
-assert.sameValue(index, 0);
-
diff --git a/test/built-ins/Array/prototype/findIndex/array-altered-during-loop.js b/test/built-ins/Array/prototype/findIndex/array-altered-during-loop.js
new file mode 100644
index 0000000000..e490021939
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/array-altered-during-loop.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ The range of elements processed is set before the first call to `predicate`.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 7. Let k be 0.
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ ...
+---*/
+
+var arr = ['Shoes', 'Car', 'Bike'];
+var results = [];
+
+arr.findIndex(function(kValue) {
+ if (results.length === 0) {
+ arr.splice(1, 1);
+ }
+ results.push(kValue);
+});
+
+assert.sameValue(results.length, 3, 'predicate called three times');
+assert.sameValue(results[0], 'Shoes');
+assert.sameValue(results[1], 'Bike');
+assert.sameValue(results[2], undefined);
+
+results = [];
+arr = ['Skateboard', 'Barefoot'];
+arr.findIndex(function(kValue) {
+ if (results.length === 0) {
+ arr.push('Motorcycle');
+ arr[1] = 'Magic Carpet';
+ }
+
+ results.push(kValue);
+});
+
+assert.sameValue(results.length, 2, 'predicate called twice');
+assert.sameValue(results[0], 'Skateboard');
+assert.sameValue(results[1], 'Magic Carpet');
diff --git a/test/built-ins/Array/prototype/findIndex/findIndex.js b/test/built-ins/Array/prototype/findIndex/findIndex.js
new file mode 100644
index 0000000000..69557fb7f9
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/findIndex.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: Property type and descriptor.
+info: >
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ typeof Array.prototype.findIndex,
+ 'function',
+ '`typeof Array.prototype.findIndex` is `function`'
+);
+
+verifyNotEnumerable(Array.prototype, 'findIndex');
+verifyWritable(Array.prototype, 'findIndex');
+verifyConfigurable(Array.prototype, 'findIndex');
diff --git a/test/built-ins/Array/prototype/findIndex/length.js b/test/built-ins/Array/prototype/findIndex/length.js
new file mode 100644
index 0000000000..bdb946494e
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/length.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: Array.prototype.findIndex.length value and descriptor.
+info: >
+ 17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Array.prototype.findIndex.length, 1,
+ 'The value of `Array.prototype.findIndex.length` is `1`'
+);
+
+verifyNotEnumerable(Array.prototype.findIndex, 'length');
+verifyNotWritable(Array.prototype.findIndex, 'length');
+verifyConfigurable(Array.prototype.findIndex, 'length');
diff --git a/test/built-ins/Array/prototype/findIndex/name.js b/test/built-ins/Array/prototype/findIndex/name.js
new file mode 100644
index 0000000000..6258ff467f
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/name.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Array.prototype.findIndex.name value and descriptor.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate [ , thisArg ] )
+
+ 17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Array.prototype.findIndex.name, 'findIndex',
+ 'The value of `Array.prototype.findIndex.name` is `"findIndex"`'
+);
+
+verifyNotEnumerable(Array.prototype.findIndex, 'name');
+verifyNotWritable(Array.prototype.findIndex, 'name');
+verifyConfigurable(Array.prototype.findIndex, 'name');
diff --git a/test/built-ins/Array/prototype/findIndex/predicate-call-parameters.js b/test/built-ins/Array/prototype/findIndex/predicate-call-parameters.js
new file mode 100644
index 0000000000..60a6dc1407
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/predicate-call-parameters.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Predicate called as F.call( thisArg, kValue, k, O ) for each array entry.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 7. Let k be 0.
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ ...
+---*/
+
+var arr = ['Mike', 'Rick', 'Leo'];
+
+var results = [];
+
+arr.findIndex(function(kValue, k, O) {
+ results.push(arguments);
+});
+
+assert.sameValue(results.length, 3);
+
+var result = results[0];
+assert.sameValue(result[0], 'Mike');
+assert.sameValue(result[1], 0);
+assert.sameValue(result[2], arr);
+assert.sameValue(result.length, 3);
+
+result = results[1];
+assert.sameValue(result[0], 'Rick');
+assert.sameValue(result[1], 1);
+assert.sameValue(result[2], arr);
+assert.sameValue(result.length, 3);
+
+result = results[2];
+assert.sameValue(result[0], 'Leo');
+assert.sameValue(result[1], 2);
+assert.sameValue(result[2], arr);
+assert.sameValue(result.length, 3);
diff --git a/test/built-ins/Array/prototype/findIndex/predicate-call-this-non-strict.js b/test/built-ins/Array/prototype/findIndex/predicate-call-this-non-strict.js
new file mode 100644
index 0000000000..0e702987eb
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/predicate-call-this-non-strict.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Predicate thisArg as F.call( thisArg, kValue, k, O ) for each array entry.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ e. ReturnIfAbrupt(testResult).
+ ...
+flags: [noStrict]
+---*/
+
+var result;
+
+[1].find(function(kValue, k, O) {
+ result = this;
+});
+
+assert.sameValue(result, this);
+
+var o = {};
+[1].find(function() {
+ result = this;
+}, o);
+
+assert.sameValue(result, o);
diff --git a/test/built-ins/Array/prototype/findIndex/predicate-call-this-strict.js b/test/built-ins/Array/prototype/findIndex/predicate-call-this-strict.js
new file mode 100644
index 0000000000..2febc6a41e
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/predicate-call-this-strict.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Predicate thisArg as F.call( thisArg, kValue, k, O ) for each array entry.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ e. ReturnIfAbrupt(testResult).
+ ...
+flags: [onlyStrict]
+---*/
+
+var result;
+
+[1].find(function(kValue, k, O) {
+ result = this;
+});
+
+assert.sameValue(result, undefined);
+
+var o = {};
+[1].find(function() {
+ result = this;
+}, o);
+
+assert.sameValue(result, o);
diff --git a/test/built-ins/Array/prototype/findIndex/predicate-called-for-each-array-property.js b/test/built-ins/Array/prototype/findIndex/predicate-called-for-each-array-property.js
new file mode 100644
index 0000000000..a9413f9544
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/predicate-called-for-each-array-property.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Predicate is called for each array property.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 7. Let k be 0.
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ ...
+---*/
+
+var arr = [undefined, , , 'foo'];
+var called = 0;
+
+arr.findIndex(function() {
+ called++;
+});
+
+assert.sameValue(called, 4);
diff --git a/test/built-ins/Array/prototype/findIndex/predicate-is-not-callable-throws.js b/test/built-ins/Array/prototype/findIndex/predicate-is-not-callable-throws.js
new file mode 100644
index 0000000000..e7da5795ed
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/predicate-is-not-callable-throws.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Throws a TypeError exception if predicate is not callable.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 5. If IsCallable(predicate) is false, throw a TypeError exception.
+ ...
+---*/
+
+assert.throws(TypeError, function() {
+ [].findIndex({});
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex(null);
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex(undefined);
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex(true);
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex(1);
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex('');
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex(1);
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex([]);
+});
+
+assert.throws(TypeError, function() {
+ [].findIndex(/./);
+});
diff --git a/test/built-ins/Array/prototype/findIndex/predicate-not-called-on-empty-array.js b/test/built-ins/Array/prototype/findIndex/predicate-not-called-on-empty-array.js
new file mode 100644
index 0000000000..58788f9385
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/predicate-not-called-on-empty-array.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Predicate is only called if this.length is > 0.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 7. Let k be 0.
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ ...
+ 9. Return -1.
+---*/
+
+var called = false;
+
+var predicate = function() {
+ called = true;
+ return true;
+};
+
+var result = [].findIndex(predicate);
+
+assert.sameValue(
+ called, false,
+ '[].findIndex(predicate) does not call predicate'
+);
+assert.sameValue(
+ result, -1,
+ '[].findIndex(predicate) returned undefined'
+);
diff --git a/test/built-ins/Array/prototype/findIndex/return-abrupt-from-predicate-call.js b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-predicate-call.js
new file mode 100644
index 0000000000..c5b42e6ac2
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-predicate-call.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Return abrupt from predicate call.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 7. Let k be 0.
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ e. ReturnIfAbrupt(testResult).
+ ...
+---*/
+
+var predicate = function() {
+ throw new Test262Error();
+};
+
+assert.throws(Test262Error, function() {
+ [1].findIndex(predicate);
+});
diff --git a/test/built-ins/Array/prototype/findIndex/return-abrupt-from-property.js b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-property.js
new file mode 100644
index 0000000000..88c729b244
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-property.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Returns abrupt from getting property value from `this`.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 7. Let k be 0.
+ 8. Repeat, while k < len
+ a. Let Pk be ToString(k).
+ b. Let kValue be Get(O, Pk).
+ c. ReturnIfAbrupt(kValue).
+ ...
+---*/
+
+var o = {
+ length: 1
+};
+
+Object.defineProperty(o, 0, {
+ get: function() {
+ throw new Test262Error();
+ }
+});
+
+assert.throws(Test262Error, function() {
+ [].findIndex.call(o, function() {});
+});
diff --git a/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length-as-symbol.js b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length-as-symbol.js
new file mode 100644
index 0000000000..0489657bb0
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length-as-symbol.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Return abrupt from ToLength(Get(O, "length")) where length is a Symbol.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ 1. Let O be ToObject(this value).
+ 2. ReturnIfAbrupt(O).
+ 3. Let len be ToLength(Get(O, "length")).
+ 4. ReturnIfAbrupt(len).
+ ...
+features: [Symbol]
+---*/
+
+var o = {};
+
+o.length = Symbol(1);
+
+// predicate fn is given to avoid false positives
+assert.throws(TypeError, function() {
+ [].findIndex.call(o, function() {});
+});
diff --git a/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length.js b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length.js
new file mode 100644
index 0000000000..294fbd9902
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Return abrupt from ToLength(Get(O, "length")).
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ 1. Let O be ToObject(this value).
+ 2. ReturnIfAbrupt(O).
+ 3. Let len be ToLength(Get(O, "length")).
+ 4. ReturnIfAbrupt(len).
+---*/
+
+var o1 = {};
+
+Object.defineProperty(o1, 'length', {
+ get: function() {
+ throw new Test262Error();
+ },
+ configurable: true
+});
+// predicate fn is given to avoid false positives
+assert.throws(Test262Error, function() {
+ [].findIndex.call(o1, function() {});
+});
+
+var o2 = {
+ length: {
+ valueOf: function() {
+ throw new Test262Error();
+ }
+ }
+};
+assert.throws(Test262Error, function() {
+ [].findIndex.call(o2, function() {});
+});
diff --git a/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this.js b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this.js
new file mode 100644
index 0000000000..35853a8279
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-abrupt-from-this.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Return abrupt from ToObject(this value).
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ 1. Let O be ToObject(this value).
+ 2. ReturnIfAbrupt(O).
+---*/
+
+// predicate fn is given to avoid false positives
+assert.throws(TypeError, function() {
+ Array.prototype.findIndex.call(undefined, function() {});
+});
+
+assert.throws(TypeError, function() {
+ Array.prototype.findIndex.call(null, function() {});
+});
diff --git a/test/built-ins/Array/prototype/findIndex/return-index-predicate-result-is-true.js b/test/built-ins/Array/prototype/findIndex/return-index-predicate-result-is-true.js
new file mode 100644
index 0000000000..349559e048
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-index-predicate-result-is-true.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Return index if predicate return a boolean true value.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ e. ReturnIfAbrupt(testResult).
+ f. If testResult is true, return k.
+ ...
+features: [Symbol]
+---*/
+
+var arr = ['Shoes', 'Car', 'Bike'];
+var called = 0;
+
+var result = arr.findIndex(function(val) {
+ called++;
+ return true;
+});
+
+assert.sameValue(result, 0);
+assert.sameValue(called, 1, 'predicate was called once');
+
+called = 0;
+result = arr.findIndex(function(val) {
+ called++;
+ return val === 'Bike';
+});
+
+assert.sameValue(called, 3, 'predicate was called three times');
+assert.sameValue(result, 2);
+
+result = arr.findIndex(function(val) { return 'string'; });
+assert.sameValue(result, 0, 'coerced string');
+
+result = arr.findIndex(function(val) { return {}; });
+assert.sameValue(result, 0, 'coerced object');
+
+result = arr.findIndex(function(val) { return Symbol(''); });
+assert.sameValue(result, 0, 'coerced Symbol');
+
+result = arr.findIndex(function(val) { return 1; });
+assert.sameValue(result, 0, 'coerced number');
+
+result = arr.findIndex(function(val) { return -1; });
+assert.sameValue(result, 0, 'coerced negative number');
diff --git a/test/built-ins/Array/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js b/test/built-ins/Array/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js
new file mode 100644
index 0000000000..f54e5bb496
--- /dev/null
+++ b/test/built-ins/Array/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.1.3.9
+description: >
+ Return -1 if predicate always returns a boolean false value.
+info: >
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 8. Repeat, while k < len
+ ...
+ d. Let testResult be ToBoolean(Call(predicate, T, «kValue, k, O»)).
+ ...
+ 9. Return -1.
+features: [Symbol]
+---*/
+
+var arr = ['Shoes', 'Car', 'Bike'];
+var called = 0;
+
+var result = arr.findIndex(function(val) {
+ called++;
+ return false;
+});
+
+assert.sameValue(called, 3, 'predicate was called three times');
+assert.sameValue(result, -1);
+
+result = arr.findIndex(function(val) { return ''; });
+assert.sameValue(result, -1, 'coerced string');
+
+result = arr.findIndex(function(val) { return undefined; });
+assert.sameValue(result, -1, 'coerced undefined');
+
+result = arr.findIndex(function(val) { return null; });
+assert.sameValue(result, -1, 'coerced null');
+
+result = arr.findIndex(function(val) { return 0; });
+assert.sameValue(result, -1, 'coerced 0');
+
+result = arr.findIndex(function(val) { return NaN; });
+assert.sameValue(result, -1, 'coerced NaN');
--
GitLab