summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/findIndex')
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/detached-buffer.js34
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/get-length-ignores-length-prop.js54
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-changes-value.js69
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-parameters.js62
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-non-strict.js59
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-strict-strict.js54
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-is-not-callable-throws.js66
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-may-detach-buffer.js50
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-not-called-on-empty-array.js50
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-predicate-call.js40
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-this-out-of-bounds.js62
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-index-predicate-result-is-true.js67
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js60
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/shell.js42
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/browser.js0
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/callbackfn-resize.js76
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/detached-buffer.js34
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/get-length-ignores-length-prop.js54
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-func.js31
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-method.js31
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/length.js32
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/name.js29
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/not-a-constructor.js35
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js69
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-parameters.js62
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-non-strict.js59
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-strict-strict.js54
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-is-not-callable-throws.js66
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js47
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-not-called-on-empty-array.js50
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/prop-desc.js21
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-predicate-call.js40
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-this-out-of-bounds.js62
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-index-predicate-result-is-true.js67
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js60
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/shell.js24
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-object.js53
-rw-r--r--js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-typedarray-instance.js45
39 files changed, 1870 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/browser.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/browser.js
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/detached-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/detached-buffer.js
new file mode 100644
index 0000000000..adc2846924
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/detached-buffer.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Throws a TypeError if this has a detached buffer
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ This function is not generic. ValidateTypedArray is applied to the this value
+ prior to evaluating the algorithm. If its result is an abrupt completion that
+ exception is thrown instead of evaluating the algorithm.
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ ...
+ 5. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+ ...
+includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
+features: [BigInt, TypedArray]
+---*/
+
+var predicate = function() {
+ throw new Test262Error();
+};
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ $DETACHBUFFER(sample.buffer);
+ assert.throws(TypeError, function() {
+ sample.findIndex(predicate);
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/get-length-ignores-length-prop.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/get-length-ignores-length-prop.js
new file mode 100644
index 0000000000..a6ac97105e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/get-length-ignores-length-prop.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ [[Get]] of "length" uses [[ArrayLength]]
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 2. Let len be ? ToLength(? Get(O, "length")).
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+Object.defineProperty(TypedArray.prototype, "length", {
+ get: function() {
+ throw new Test262Error();
+ }
+});
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ Object.defineProperty(TA.prototype, "length", {
+ get: function() {
+ throw new Test262Error();
+ }
+ });
+
+ var sample = new TA([42n]);
+
+ Object.defineProperty(sample, "length", {
+ get: function() {
+ throw new Test262Error();
+ },
+ configurable: true
+ });
+
+ assert.sameValue(
+ sample.findIndex(function() { return true; }),
+ 0
+ );
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-changes-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-changes-value.js
new file mode 100644
index 0000000000..d7ac7f2cd5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-changes-value.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Change values during predicate call
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [compareArray.js, testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var arr = [10n, 20n, 30n];
+ var sample;
+ var result;
+
+ sample = new TA(3);
+ sample.findIndex(function(val, i) {
+ sample[i] = arr[i];
+
+ assert.sameValue(val, 0n, "value is not mapped to instance");
+ });
+ assert(compareArray(sample, arr), "values set during each predicate call");
+
+ sample = new TA(arr);
+ result = sample.findIndex(function(val, i) {
+ if ( i === 0 ) {
+ sample[2] = 7n;
+ }
+ return val === 7n;
+ });
+ assert.sameValue(result, 2, "value found");
+
+ sample = new TA(arr);
+ result = sample.findIndex(function(val, i) {
+ if ( i === 0 ) {
+ sample[2] = 7n;
+ }
+ return val === 30n;
+ });
+ assert.sameValue(result, -1, "value not found");
+
+ sample = new TA(arr);
+ result = sample.findIndex(function(val, i) {
+ if ( i > 0 ) {
+ sample[0] = 7n;
+ }
+ return val === 7n;
+ });
+ assert.sameValue(result, -1, "value not found - changed after call");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-parameters.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-parameters.js
new file mode 100644
index 0000000000..5d29ca105b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-parameters.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate called as F.call( thisArg, kValue, k, O ) for each array entry.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA([39n, 2n, 62n]);
+ var results = [];
+ var result;
+
+ sample.foo = "bar"; // Ignores non integer index properties
+
+ sample.findIndex(function() {
+ results.push(arguments);
+ });
+
+ assert.sameValue(results.length, 3, "predicate is called for each index");
+
+ result = results[0];
+ assert.sameValue(result[0], 39n, "results[0][0] === 39, value");
+ assert.sameValue(result[1], 0, "results[0][1] === 0, index");
+ assert.sameValue(result[2], sample, "results[0][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[0].length === 3, arguments");
+
+ result = results[1];
+ assert.sameValue(result[0], 2n, "results[1][0] === 2, value");
+ assert.sameValue(result[1], 1, "results[1][1] === 1, index");
+ assert.sameValue(result[2], sample, "results[1][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[1].length === 3, arguments");
+
+ result = results[2];
+ assert.sameValue(result[0], 62n, "results[2][0] === 62, value");
+ assert.sameValue(result[1], 2, "results[2][1] === 2, index");
+ assert.sameValue(result[2], sample, "results[2][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[2].length === 3, arguments");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-non-strict.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-non-strict.js
new file mode 100644
index 0000000000..4a9a19e8fa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-non-strict.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Verify predicate this on non-strict mode
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+flags: [noStrict]
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+var T = this;
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ var result;
+
+ sample.findIndex(function() {
+ result = this;
+ });
+
+ assert.sameValue(result, T, "without thisArg, predicate this is the global");
+
+ result = null;
+ sample.findIndex(function() {
+ result = this;
+ }, undefined);
+
+ assert.sameValue(result, T, "predicate this is the global when thisArg is undefined");
+
+ var o = {};
+ result = null;
+ sample.findIndex(function() {
+ result = this;
+ }, o);
+
+ assert.sameValue(result, o, "thisArg becomes the predicate this");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-strict-strict.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-strict-strict.js
new file mode 100644
index 0000000000..1712b2c26f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-call-this-strict-strict.js
@@ -0,0 +1,54 @@
+'use strict';
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate thisArg as F.call( thisArg, kValue, k, O ) for each array entry.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+flags: [onlyStrict]
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ var result;
+
+ sample.findIndex(function() {
+ result = this;
+ });
+
+ assert.sameValue(
+ result,
+ undefined,
+ "without thisArg, predicate this is undefined"
+ );
+
+ var o = {};
+ sample.findIndex(function() {
+ result = this;
+ }, o);
+
+ assert.sameValue(result, o, "thisArg becomes the predicate this");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-is-not-callable-throws.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-is-not-callable-throws.js
new file mode 100644
index 0000000000..7bdbbc4f19
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-is-not-callable-throws.js
@@ -0,0 +1,66 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Throws a TypeError exception if predicate is not callable.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 3. If IsCallable(predicate) is false, throw a TypeError exception.
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA();
+ assert.throws(TypeError, function() {
+ sample.findIndex({});
+ }, "{}");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(null);
+ }, "null");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(undefined);
+ }, "undefined");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(false);
+ }, "false");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(true);
+ }, "true");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(1);
+ }, "1");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex("");
+ }, "string");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex([]);
+ }, "[]");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(/./);
+ }, "/./");
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-may-detach-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-may-detach-buffer.js
new file mode 100644
index 0000000000..345efae749
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-may-detach-buffer.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// Copyright (C) 2021 Apple Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate may detach the buffer
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ b. Let kValue be ? Get(O, Pk).
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+
+ 9.4.5.8 IntegerIndexedElementGet ( O, index )
+
+ ...
+ 3. Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot.
+ 4. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+ ...
+includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(2);
+ var loops = 0;
+
+ sample.findIndex(function() {
+ if (loops === 0) {
+ $DETACHBUFFER(sample.buffer);
+ }
+ loops++;
+ });
+ assert.sameValue(loops, 2, "predicate is called once");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-not-called-on-empty-array.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-not-called-on-empty-array.js
new file mode 100644
index 0000000000..fad5dad300
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/predicate-not-called-on-empty-array.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate is not called on an empty instance
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+ 7. Return -1.
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA();
+ var called = false;
+
+ var predicate = function() {
+ called = true;
+ return true;
+ };
+
+ var result = sample.findIndex(predicate);
+
+ assert.sameValue(
+ called, false,
+ "does not call predicate"
+ );
+ assert.sameValue(
+ result, -1,
+ "returns -1 on an empty instance"
+ );
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-predicate-call.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-predicate-call.js
new file mode 100644
index 0000000000..aebfdbac18
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-predicate-call.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Return abrupt from predicate call.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+var predicate = function() {
+ throw new Test262Error();
+};
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ assert.throws(Test262Error, function() {
+ sample.findIndex(predicate);
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-this-out-of-bounds.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-this-out-of-bounds.js
new file mode 100644
index 0000000000..bbcc356805
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-abrupt-from-this-out-of-bounds.js
@@ -0,0 +1,62 @@
+// |reftest| skip -- resizable-arraybuffer is not supported
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Return abrupt when "this" value fails buffer boundary checks
+includes: [testBigIntTypedArray.js]
+features: [ArrayBuffer, BigInt, TypedArray, arrow-function, resizable-arraybuffer]
+---*/
+
+assert.sameValue(
+ typeof TypedArray.prototype.findIndex,
+ 'function',
+ 'implements TypedArray.prototype.findIndex'
+);
+
+assert.sameValue(
+ typeof ArrayBuffer.prototype.resize,
+ 'function',
+ 'implements ArrayBuffer.prototype.resize'
+);
+
+testWithBigIntTypedArrayConstructors(TA => {
+ var BPE = TA.BYTES_PER_ELEMENT;
+ var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5});
+ var array = new TA(ab, BPE, 2);
+
+ try {
+ ab.resize(BPE * 5);
+ } catch (_) {}
+
+ // no error following grow:
+ array.findIndex(() => {});
+
+ try {
+ ab.resize(BPE * 3);
+ } catch (_) {}
+
+ // no error following shrink (within bounds):
+ array.findIndex(() => {});
+
+ var expectedError;
+ try {
+ ab.resize(BPE * 2);
+ // If the preceding "resize" operation is successful, the typed array will
+ // be out out of bounds, so the subsequent prototype method should produce
+ // a TypeError due to the semantics of ValidateTypedArray.
+ expectedError = TypeError;
+ } catch (_) {
+ // The host is permitted to fail any "resize" operation at its own
+ // discretion. If that occurs, the findIndex operation should complete
+ // successfully.
+ expectedError = Test262Error;
+ }
+
+ assert.throws(expectedError, () => {
+ array.findIndex(() => {});
+ throw new Test262Error('findIndex completed successfully');
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-index-predicate-result-is-true.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-index-predicate-result-is-true.js
new file mode 100644
index 0000000000..605b95ed9c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-index-predicate-result-is-true.js
@@ -0,0 +1,67 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Return index if predicate return a boolean true value.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ d. If testResult is true, return k.
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, Symbol, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA([39n, 3n, 9n]);
+ var called = 0;
+
+ var result = sample.findIndex(function() {
+ called++;
+ return true;
+ });
+
+ assert.sameValue(result, 0, "returned true on sample[0]");
+ assert.sameValue(called, 1, "predicate was called once");
+
+ called = 0;
+ result = sample.findIndex(function(val) {
+ called++;
+ return val === 9n;
+ });
+
+ assert.sameValue(called, 3, "predicate was called three times");
+ assert.sameValue(result, 2, "returned true on sample[3]");
+
+ result = sample.findIndex(function() { return "string"; });
+ assert.sameValue(result, 0, "ToBoolean(string)");
+
+ result = sample.findIndex(function() { return {}; });
+ assert.sameValue(result, 0, "ToBoolean(object)");
+
+ result = sample.findIndex(function() { return Symbol(""); });
+ assert.sameValue(result, 0, "ToBoolean(symbol)");
+
+ result = sample.findIndex(function() { return 1; });
+ assert.sameValue(result, 0, "ToBoolean(number)");
+
+ result = sample.findIndex(function() { return -1; });
+ assert.sameValue(result, 0, "ToBoolean(negative number)");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js
new file mode 100644
index 0000000000..3cb8bcd20a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/return-negative-one-if-predicate-returns-false-value.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Return -1 if predicate always returns a boolean false value.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+ 7. Return -1.
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA([1n, 2n, 3n]);
+ var called = 0;
+
+ var result = sample.findIndex(function() {
+ called++;
+ return false;
+ });
+
+ assert.sameValue(called, 3, "predicate was called three times");
+ assert.sameValue(result, -1, "result is -1 when predicate returns are false");
+
+ result = sample.findIndex(function() { return ""; });
+ assert.sameValue(result, -1, "ToBoolean(string)");
+
+ result = sample.findIndex(function() { return undefined; });
+ assert.sameValue(result, -1, "ToBoolean(undefined)");
+
+ result = sample.findIndex(function() { return null; });
+ assert.sameValue(result, -1, "ToBoolean(null)");
+
+ result = sample.findIndex(function() { return 0; });
+ assert.sameValue(result, -1, "ToBoolean(0)");
+
+ result = sample.findIndex(function() { return -0; });
+ assert.sameValue(result, -1, "ToBoolean(-0)");
+
+ result = sample.findIndex(function() { return NaN; });
+ assert.sameValue(result, -1, "ToBoolean(NaN)");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/shell.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/shell.js
new file mode 100644
index 0000000000..90ee9c114d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/BigInt/shell.js
@@ -0,0 +1,42 @@
+// GENERATED, DO NOT EDIT
+// file: testBigIntTypedArray.js
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: |
+ Collection of functions used to assert the correctness of BigInt TypedArray objects.
+defines:
+ - TypedArray
+ - testWithBigIntTypedArrayConstructors
+---*/
+
+/**
+ * The %TypedArray% intrinsic constructor function.
+ */
+var TypedArray = Object.getPrototypeOf(Int8Array);
+
+/**
+ * Calls the provided function for every typed array constructor.
+ *
+ * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor.
+ * @param {Array} selected - An optional Array with filtered typed arrays
+ */
+function testWithBigIntTypedArrayConstructors(f, selected) {
+ /**
+ * Array containing every BigInt typed array constructor.
+ */
+ var constructors = selected || [
+ BigInt64Array,
+ BigUint64Array
+ ];
+
+ for (var i = 0; i < constructors.length; ++i) {
+ var constructor = constructors[i];
+ try {
+ f(constructor);
+ } catch (e) {
+ e.message += " (Testing with " + constructor.name + ".)";
+ throw e;
+ }
+ }
+}
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/browser.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/browser.js
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/callbackfn-resize.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/callbackfn-resize.js
new file mode 100644
index 0000000000..1986131e11
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/callbackfn-resize.js
@@ -0,0 +1,76 @@
+// |reftest| skip -- resizable-arraybuffer is not supported
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Instance buffer can be resized during iteration
+includes: [testTypedArray.js, compareArray.js]
+features: [TypedArray, resizable-arraybuffer]
+---*/
+
+// If the host chooses to throw as allowed by the specification, the observed
+// behavior will be identical to the case where `ArrayBuffer.prototype.resize`
+// has not been implemented. The following assertion prevents this test from
+// passing in runtimes which have not implemented the method.
+assert.sameValue(typeof ArrayBuffer.prototype.resize, 'function');
+
+testWithTypedArrayConstructors(function(TA) {
+ var BPE = TA.BYTES_PER_ELEMENT;
+ var buffer = new ArrayBuffer(BPE * 3, {maxByteLength: BPE * 4});
+ var sample = new TA(buffer);
+ var finalElement, expectedElements, expectedIndices, expectedArrays;
+ var elements, indices, arrays, result;
+
+ elements = [];
+ indices = [];
+ arrays = [];
+ result = sample.findIndex(function(element, index, array) {
+ if (elements.length === 0) {
+ try {
+ buffer.resize(2 * BPE);
+ finalElement = undefined;
+ expectedElements = [0, 0];
+ expectedIndices = [0, 1];
+ expectedArrays = [sample, sample];
+ } catch (_) {
+ finalElement = 0;
+ expectedElements = [0, 0, 0];
+ expectedIndices = [0, 1, 2];
+ expectedArrays = [sample, sample, sample];
+ }
+ }
+
+ elements.push(element);
+ indices.push(index);
+ arrays.push(array);
+ return false;
+ });
+
+ assert.compareArray(elements, [0, 0, finalElement], 'elements (shrink)');
+ assert.compareArray(indices, [0, 1, 2], 'indices (shrink)');
+ assert.compareArray(arrays, [sample, sample, sample], 'arrays (shrink)');
+ assert.sameValue(result, -1, 'result (shrink)');
+
+ elements = [];
+ indices = [];
+ arrays = [];
+ result = sample.findIndex(function(element, index, array) {
+ if (elements.length === 0) {
+ try {
+ buffer.resize(4 * BPE);
+ } catch (_) {}
+ }
+
+ elements.push(element);
+ indices.push(index);
+ arrays.push(array);
+ return false;
+ });
+
+ assert.compareArray(elements, expectedElements, 'elements (grow)');
+ assert.compareArray(indices, expectedIndices, 'indices (grow)');
+ assert.compareArray(arrays, expectedArrays, 'arrays (grow)');
+ assert.sameValue(result, -1, 'result (grow)');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/detached-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/detached-buffer.js
new file mode 100644
index 0000000000..b936c3dc74
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/detached-buffer.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Throws a TypeError if this has a detached buffer
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ This function is not generic. ValidateTypedArray is applied to the this value
+ prior to evaluating the algorithm. If its result is an abrupt completion that
+ exception is thrown instead of evaluating the algorithm.
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ ...
+ 5. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+ ...
+includes: [testTypedArray.js, detachArrayBuffer.js]
+features: [TypedArray]
+---*/
+
+var predicate = function() {
+ throw new Test262Error();
+};
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ $DETACHBUFFER(sample.buffer);
+ assert.throws(TypeError, function() {
+ sample.findIndex(predicate);
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/get-length-ignores-length-prop.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/get-length-ignores-length-prop.js
new file mode 100644
index 0000000000..19f41d6844
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/get-length-ignores-length-prop.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ [[Get]] of "length" uses [[ArrayLength]]
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 2. Let len be ? ToLength(? Get(O, "length")).
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+Object.defineProperty(TypedArray.prototype, "length", {
+ get: function() {
+ throw new Test262Error();
+ }
+});
+
+testWithTypedArrayConstructors(function(TA) {
+ Object.defineProperty(TA.prototype, "length", {
+ get: function() {
+ throw new Test262Error();
+ }
+ });
+
+ var sample = new TA([42]);
+
+ Object.defineProperty(sample, "length", {
+ get: function() {
+ throw new Test262Error();
+ },
+ configurable: true
+ });
+
+ assert.sameValue(
+ sample.findIndex(function() { return true; }),
+ 0
+ );
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-func.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-func.js
new file mode 100644
index 0000000000..4d1c3dbcaf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-func.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Throws a TypeError exception when invoked as a function
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ This function is not generic. ValidateTypedArray is applied to the this value
+ prior to evaluating the algorithm. If its result is an abrupt completion that
+ exception is thrown instead of evaluating the algorithm.
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ 1. If Type(O) is not Object, throw a TypeError exception.
+ 2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError
+ exception.
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+var findIndex = TypedArray.prototype.findIndex;
+
+assert.sameValue(typeof findIndex, 'function');
+
+assert.throws(TypeError, function() {
+ findIndex();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-method.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-method.js
new file mode 100644
index 0000000000..e787cd2dfc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/invoked-as-method.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Requires a [[TypedArrayName]] internal slot.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ This function is not generic. ValidateTypedArray is applied to the this value
+ prior to evaluating the algorithm. If its result is an abrupt completion that
+ exception is thrown instead of evaluating the algorithm.
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ 1. If Type(O) is not Object, throw a TypeError exception.
+ 2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError
+ exception.
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+var TypedArrayPrototype = TypedArray.prototype;
+
+assert.sameValue(typeof TypedArrayPrototype.findIndex, 'function');
+
+assert.throws(TypeError, function() {
+ TypedArrayPrototype.findIndex();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/length.js
new file mode 100644
index 0000000000..47fd253eef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/length.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ %TypedArray%.prototype.findIndex.length is 1.
+info: |
+ %TypedArray%.prototype.findIndex (predicate [ , thisArg ] )
+
+ 17 ECMAScript Standard Built-in Objects:
+ Every built-in Function object, including constructors, has a length
+ property whose value is an integer. Unless otherwise specified, this
+ value is equal to the largest number of named arguments shown in the
+ subclause headings for the function description, including optional
+ parameters. However, rest parameters shown using the form “...name”
+ are not included in the default argument count.
+
+ Unless otherwise specified, the length property of a built-in Function
+ object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+ [[Configurable]]: true }.
+includes: [propertyHelper.js, testTypedArray.js]
+features: [TypedArray]
+---*/
+
+assert.sameValue(TypedArray.prototype.findIndex.length, 1);
+
+verifyNotEnumerable(TypedArray.prototype.findIndex, "length");
+verifyNotWritable(TypedArray.prototype.findIndex, "length");
+verifyConfigurable(TypedArray.prototype.findIndex, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/name.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/name.js
new file mode 100644
index 0000000000..efe006ee61
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/name.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ %TypedArray%.prototype.findIndex.name is "findIndex".
+info: |
+ %TypedArray%.prototype.findIndex (predicate [ , thisArg ] )
+
+ 17 ECMAScript Standard Built-in Objects:
+ Every built-in Function object, including constructors, that is not
+ identified as an anonymous function has a name property whose value
+ is a String.
+
+ Unless otherwise specified, the name property of a built-in Function
+ object, if it exists, has the attributes { [[Writable]]: false,
+ [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js, testTypedArray.js]
+features: [TypedArray]
+---*/
+
+assert.sameValue(TypedArray.prototype.findIndex.name, "findIndex");
+
+verifyNotEnumerable(TypedArray.prototype.findIndex, "name");
+verifyNotWritable(TypedArray.prototype.findIndex, "name");
+verifyConfigurable(TypedArray.prototype.findIndex, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/not-a-constructor.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/not-a-constructor.js
new file mode 100644
index 0000000000..c41db60aef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/not-a-constructor.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+ TypedArray.prototype.findIndex does not implement [[Construct]], is not new-able
+info: |
+ ECMAScript Function Objects
+
+ Built-in function objects that are not identified as constructors do not
+ implement the [[Construct]] internal method unless otherwise specified in
+ the description of a particular function.
+
+ sec-evaluatenew
+
+ ...
+ 7. If IsConstructor(constructor) is false, throw a TypeError exception.
+ ...
+includes: [isConstructor.js, testTypedArray.js]
+features: [Reflect.construct, arrow-function, TypedArray]
+---*/
+
+assert.sameValue(
+ isConstructor(TypedArray.prototype.findIndex),
+ false,
+ 'isConstructor(TypedArray.prototype.findIndex) must return false'
+);
+
+assert.throws(TypeError, () => {
+ let u8 = new Uint8Array(1); new u8.findIndex(() => {});
+}, '`let u8 = new Uint8Array(1); new u8.findIndex(() => {})` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js
new file mode 100644
index 0000000000..8ee1fcccae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Change values during predicate call
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [compareArray.js, testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var arr = [10, 20, 30];
+ var sample;
+ var result;
+
+ sample = new TA(3);
+ sample.findIndex(function(val, i) {
+ sample[i] = arr[i];
+
+ assert.sameValue(val, 0, "value is not mapped to instance");
+ });
+ assert(compareArray(sample, arr), "values set during each predicate call");
+
+ sample = new TA(arr);
+ result = sample.findIndex(function(val, i) {
+ if ( i === 0 ) {
+ sample[2] = 7;
+ }
+ return val === 7;
+ });
+ assert.sameValue(result, 2, "value found");
+
+ sample = new TA(arr);
+ result = sample.findIndex(function(val, i) {
+ if ( i === 0 ) {
+ sample[2] = 7;
+ }
+ return val === 30;
+ });
+ assert.sameValue(result, -1, "value not found");
+
+ sample = new TA(arr);
+ result = sample.findIndex(function(val, i) {
+ if ( i > 0 ) {
+ sample[0] = 7;
+ }
+ return val === 7;
+ });
+ assert.sameValue(result, -1, "value not found - changed after call");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-parameters.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-parameters.js
new file mode 100644
index 0000000000..86ec93c907
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-parameters.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate called as F.call( thisArg, kValue, k, O ) for each array entry.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA([39, 2, 62]);
+ var results = [];
+ var result;
+
+ sample.foo = "bar"; // Ignores non integer index properties
+
+ sample.findIndex(function() {
+ results.push(arguments);
+ });
+
+ assert.sameValue(results.length, 3, "predicate is called for each index");
+
+ result = results[0];
+ assert.sameValue(result[0], 39, "results[0][0] === 39, value");
+ assert.sameValue(result[1], 0, "results[0][1] === 0, index");
+ assert.sameValue(result[2], sample, "results[0][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[0].length === 3, arguments");
+
+ result = results[1];
+ assert.sameValue(result[0], 2, "results[1][0] === 2, value");
+ assert.sameValue(result[1], 1, "results[1][1] === 1, index");
+ assert.sameValue(result[2], sample, "results[1][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[1].length === 3, arguments");
+
+ result = results[2];
+ assert.sameValue(result[0], 62, "results[2][0] === 62, value");
+ assert.sameValue(result[1], 2, "results[2][1] === 2, index");
+ assert.sameValue(result[2], sample, "results[2][2] === sample, instance");
+ assert.sameValue(result.length, 3, "results[2].length === 3, arguments");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-non-strict.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-non-strict.js
new file mode 100644
index 0000000000..db41c2cae1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-non-strict.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Verify predicate this on non-strict mode
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+flags: [noStrict]
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+var T = this;
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ var result;
+
+ sample.findIndex(function() {
+ result = this;
+ });
+
+ assert.sameValue(result, T, "without thisArg, predicate this is the global");
+
+ result = null;
+ sample.findIndex(function() {
+ result = this;
+ }, undefined);
+
+ assert.sameValue(result, T, "predicate this is the global when thisArg is undefined");
+
+ var o = {};
+ result = null;
+ sample.findIndex(function() {
+ result = this;
+ }, o);
+
+ assert.sameValue(result, o, "thisArg becomes the predicate this");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-strict-strict.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-strict-strict.js
new file mode 100644
index 0000000000..d13f4c3bcf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-this-strict-strict.js
@@ -0,0 +1,54 @@
+'use strict';
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate thisArg as F.call( thisArg, kValue, k, O ) for each array entry.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+flags: [onlyStrict]
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ var result;
+
+ sample.findIndex(function() {
+ result = this;
+ });
+
+ assert.sameValue(
+ result,
+ undefined,
+ "without thisArg, predicate this is undefined"
+ );
+
+ var o = {};
+ sample.findIndex(function() {
+ result = this;
+ }, o);
+
+ assert.sameValue(result, o, "thisArg becomes the predicate this");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-is-not-callable-throws.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-is-not-callable-throws.js
new file mode 100644
index 0000000000..cc43dfd920
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-is-not-callable-throws.js
@@ -0,0 +1,66 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Throws a TypeError exception if predicate is not callable.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 3. If IsCallable(predicate) is false, throw a TypeError exception.
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA();
+ assert.throws(TypeError, function() {
+ sample.findIndex({});
+ }, "{}");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(null);
+ }, "null");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(undefined);
+ }, "undefined");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(false);
+ }, "false");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(true);
+ }, "true");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(1);
+ }, "1");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex("");
+ }, "string");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex([]);
+ }, "[]");
+
+ assert.throws(TypeError, function() {
+ sample.findIndex(/./);
+ }, "/./");
+});
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js
new file mode 100644
index 0000000000..a86b1b06b0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate may detach the buffer
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ Repeat, while k < len,
+ Let Pk be ! ToString(F(k)).
+ Let kValue be ? Get(O, Pk).
+ Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, F(k), O »)).
+ ...
+
+ IntegerIndexedElementGet ( O, index )
+
+ Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot.
+ If IsDetachedBuffer(buffer) is true, return undefined.
+
+includes: [testTypedArray.js, detachArrayBuffer.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA(2);
+ var loops = 0;
+
+ sample.findIndex(function() {
+ if (loops === 0) {
+ $DETACHBUFFER(sample.buffer);
+ }
+ loops++;
+ });
+ assert.sameValue(loops, 2, "predicate is called once");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-not-called-on-empty-array.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-not-called-on-empty-array.js
new file mode 100644
index 0000000000..5ad0de0f26
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-not-called-on-empty-array.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Predicate is not called on an empty instance
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+ 7. Return -1.
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA();
+ var called = false;
+
+ var predicate = function() {
+ called = true;
+ return true;
+ };
+
+ var result = sample.findIndex(predicate);
+
+ assert.sameValue(
+ called, false,
+ "does not call predicate"
+ );
+ assert.sameValue(
+ result, -1,
+ "returns -1 on an empty instance"
+ );
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/prop-desc.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/prop-desc.js
new file mode 100644
index 0000000000..26f01cd00a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/prop-desc.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ "findIndex" property of TypedArrayPrototype
+info: |
+ ES6 section 17: Every other data property described in clauses 18 through 26
+ and in Annex B.2 has the attributes { [[Writable]]: true,
+ [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js, testTypedArray.js]
+features: [TypedArray]
+---*/
+
+var TypedArrayPrototype = TypedArray.prototype;
+
+verifyNotEnumerable(TypedArrayPrototype, 'findIndex');
+verifyWritable(TypedArrayPrototype, 'findIndex');
+verifyConfigurable(TypedArrayPrototype, 'findIndex');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-predicate-call.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-predicate-call.js
new file mode 100644
index 0000000000..abb7c66056
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-predicate-call.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Return abrupt from predicate call.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+var predicate = function() {
+ throw new Test262Error();
+};
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA(1);
+ assert.throws(Test262Error, function() {
+ sample.findIndex(predicate);
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-this-out-of-bounds.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-this-out-of-bounds.js
new file mode 100644
index 0000000000..f8ca0ff7c9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-abrupt-from-this-out-of-bounds.js
@@ -0,0 +1,62 @@
+// |reftest| skip -- resizable-arraybuffer is not supported
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Return abrupt when "this" value fails buffer boundary checks
+includes: [testTypedArray.js]
+features: [TypedArray, resizable-arraybuffer]
+---*/
+
+assert.sameValue(
+ typeof TypedArray.prototype.findIndex,
+ 'function',
+ 'implements TypedArray.prototype.findIndex'
+);
+
+assert.sameValue(
+ typeof ArrayBuffer.prototype.resize,
+ 'function',
+ 'implements ArrayBuffer.prototype.resize'
+);
+
+testWithTypedArrayConstructors(TA => {
+ var BPE = TA.BYTES_PER_ELEMENT;
+ var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5});
+ var array = new TA(ab, BPE, 2);
+
+ try {
+ ab.resize(BPE * 5);
+ } catch (_) {}
+
+ // no error following grow:
+ array.findIndex(() => {});
+
+ try {
+ ab.resize(BPE * 3);
+ } catch (_) {}
+
+ // no error following shrink (within bounds):
+ array.findIndex(() => {});
+
+ var expectedError;
+ try {
+ ab.resize(BPE * 2);
+ // If the preceding "resize" operation is successful, the typed array will
+ // be out out of bounds, so the subsequent prototype method should produce
+ // a TypeError due to the semantics of ValidateTypedArray.
+ expectedError = TypeError;
+ } catch (_) {
+ // The host is permitted to fail any "resize" operation at its own
+ // discretion. If that occurs, the findIndex operation should complete
+ // successfully.
+ expectedError = Test262Error;
+ }
+
+ assert.throws(expectedError, () => {
+ array.findIndex(() => {});
+ throw new Test262Error('findIndex completed successfully');
+ });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-index-predicate-result-is-true.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-index-predicate-result-is-true.js
new file mode 100644
index 0000000000..c0c0a8a07b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-index-predicate-result-is-true.js
@@ -0,0 +1,67 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Return index if predicate return a boolean true value.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 5. Let k be 0.
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ d. If testResult is true, return k.
+ ...
+includes: [testTypedArray.js]
+features: [Symbol, TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA([39, 3, 9]);
+ var called = 0;
+
+ var result = sample.findIndex(function() {
+ called++;
+ return true;
+ });
+
+ assert.sameValue(result, 0, "returned true on sample[0]");
+ assert.sameValue(called, 1, "predicate was called once");
+
+ called = 0;
+ result = sample.findIndex(function(val) {
+ called++;
+ return val === 9;
+ });
+
+ assert.sameValue(called, 3, "predicate was called three times");
+ assert.sameValue(result, 2, "returned true on sample[3]");
+
+ result = sample.findIndex(function() { return "string"; });
+ assert.sameValue(result, 0, "ToBoolean(string)");
+
+ result = sample.findIndex(function() { return {}; });
+ assert.sameValue(result, 0, "ToBoolean(object)");
+
+ result = sample.findIndex(function() { return Symbol(""); });
+ assert.sameValue(result, 0, "ToBoolean(symbol)");
+
+ result = sample.findIndex(function() { return 1; });
+ assert.sameValue(result, 0, "ToBoolean(number)");
+
+ result = sample.findIndex(function() { return -1; });
+ assert.sameValue(result, 0, "ToBoolean(negative number)");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js
new file mode 100644
index 0000000000..e17e63a44b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/return-negative-one-if-predicate-returns-false-value.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Return -1 if predicate always returns a boolean false value.
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ %TypedArray%.prototype.findIndex is a distinct function that implements the
+ same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that
+ the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length".
+
+ ...
+
+ 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )
+
+ ...
+ 6. Repeat, while k < len
+ ...
+ c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+ ...
+ 7. Return -1.
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA([1, 2, 3]);
+ var called = 0;
+
+ var result = sample.findIndex(function() {
+ called++;
+ return false;
+ });
+
+ assert.sameValue(called, 3, "predicate was called three times");
+ assert.sameValue(result, -1, "result is -1 when predicate returns are false");
+
+ result = sample.findIndex(function() { return ""; });
+ assert.sameValue(result, -1, "ToBoolean(string)");
+
+ result = sample.findIndex(function() { return undefined; });
+ assert.sameValue(result, -1, "ToBoolean(undefined)");
+
+ result = sample.findIndex(function() { return null; });
+ assert.sameValue(result, -1, "ToBoolean(null)");
+
+ result = sample.findIndex(function() { return 0; });
+ assert.sameValue(result, -1, "ToBoolean(0)");
+
+ result = sample.findIndex(function() { return -0; });
+ assert.sameValue(result, -1, "ToBoolean(-0)");
+
+ result = sample.findIndex(function() { return NaN; });
+ assert.sameValue(result, -1, "ToBoolean(NaN)");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/shell.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+ Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+ if (typeof f !== "function") {
+ throw new Test262Error("isConstructor invoked with a non-function value");
+ }
+
+ try {
+ Reflect.construct(function(){}, [], f);
+ } catch (e) {
+ return false;
+ }
+ return true;
+}
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-object.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-object.js
new file mode 100644
index 0000000000..5297a42273
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-object.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: Throws a TypeError exception when `this` is not Object
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ This function is not generic. ValidateTypedArray is applied to the this value
+ prior to evaluating the algorithm. If its result is an abrupt completion that
+ exception is thrown instead of evaluating the algorithm.
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ 1. If Type(O) is not Object, throw a TypeError exception.
+ ...
+includes: [testTypedArray.js]
+features: [Symbol, TypedArray]
+---*/
+
+var findIndex = TypedArray.prototype.findIndex;
+var predicate = function() {};
+
+assert.throws(TypeError, function() {
+ findIndex.call(undefined, predicate);
+}, "this is undefined");
+
+assert.throws(TypeError, function() {
+ findIndex.call(null, predicate);
+}, "this is null");
+
+assert.throws(TypeError, function() {
+ findIndex.call(42, predicate);
+}, "this is 42");
+
+assert.throws(TypeError, function() {
+ findIndex.call("1", predicate);
+}, "this is a string");
+
+assert.throws(TypeError, function() {
+ findIndex.call(true, predicate);
+}, "this is true");
+
+assert.throws(TypeError, function() {
+ findIndex.call(false, predicate);
+}, "this is false");
+
+var s = Symbol("s");
+assert.throws(TypeError, function() {
+ findIndex.call(s, predicate);
+}, "this is a Symbol");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-typedarray-instance.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-typedarray-instance.js
new file mode 100644
index 0000000000..60b87b1561
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/this-is-not-typedarray-instance.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findindex
+description: >
+ Throws a TypeError exception when `this` is not a TypedArray instance
+info: |
+ 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
+
+ This function is not generic. ValidateTypedArray is applied to the this value
+ prior to evaluating the algorithm. If its result is an abrupt completion that
+ exception is thrown instead of evaluating the algorithm.
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ 1. If Type(O) is not Object, throw a TypeError exception.
+ 2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError
+ exception.
+ ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+var findIndex = TypedArray.prototype.findIndex;
+var predicate = function() {};
+
+assert.throws(TypeError, function() {
+ findIndex.call({}, predicate);
+}, "this is an Object");
+
+assert.throws(TypeError, function() {
+ findIndex.call([], predicate);
+}, "this is an Array");
+
+var ab = new ArrayBuffer(8);
+assert.throws(TypeError, function() {
+ findIndex.call(ab, predicate);
+}, "this is an ArrayBuffer instance");
+
+var dv = new DataView(new ArrayBuffer(8), 0, 1);
+assert.throws(TypeError, function() {
+ findIndex.call(dv, predicate);
+}, "this is a DataView instance");
+
+reportCompare(0, 0);