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<title>Verify the coversion of various types of BufferSource</title>

<link rel="author" title="Mozilla" href="https://www.mozilla.org">

<link rel="help" href="http://w3c.github.io/IndexedDB/#key-construct">

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

test(function() {

let binary = new ArrayBuffer(0);

let key = IDBKeyRange.lowerBound(binary).lower;

assert_true(key instanceof ArrayBuffer);

assert_equals(key.byteLength, 0);

assert_equals(key.byteLength, binary.byteLength);

}, "Empty ArrayBuffer");

test(function() {

let binary = new ArrayBuffer(4);

let dataView = new DataView(binary);

dataView.setUint32(0, 1234567890);

let key = IDBKeyRange.lowerBound(binary).lower;

assert_true(key instanceof ArrayBuffer);

assert_equals(key.byteLength, 4);

assert_equals(dataView.getUint32(0), new DataView(key).getUint32(0));

}, "ArrayBuffer");

test(function() {

let binary = new ArrayBuffer(4);

let dataView = new DataView(binary);

dataView.setUint32(0, 1234567890);

let key = IDBKeyRange.lowerBound(dataView).lower;

assert_true(key instanceof ArrayBuffer);

assert_equals(key.byteLength, 4);

assert_equals(dataView.getUint32(0), new DataView(key).getUint32(0));

}, "DataView");

test(function() {

let binary = new ArrayBuffer(4);

let dataView = new DataView(binary);

let int8Array = new Int8Array(binary);

int8Array.set([16, -32, 64, -128]);

let key = IDBKeyRange.lowerBound(int8Array).lower;

let keyInInt8Array = new Int8Array(key);

assert_true(key instanceof ArrayBuffer);

assert_equals(key.byteLength, 4);

for(let i = 0; i < int8Array.length; i++) {

assert_equals(keyInInt8Array[i], int8Array[i]);

}

}, "TypedArray(Int8Array)");

test(function() {

let binary = new ArrayBuffer(4);

let dataView = new DataView(binary);

let int8Array = new Int8Array(binary);

int8Array.set([16, -32, 64, -128]);

let key = IDBKeyRange.lowerBound([int8Array]).lower;

assert_true(key instanceof Array);

assert_true(key[0] instanceof ArrayBuffer);

assert_equals(key[0].byteLength, 4);

let keyInInt8Array = new Int8Array(key[0]);

for(let i = 0; i < int8Array.length; i++) {

assert_equals(keyInInt8Array[i], int8Array[i]);

}

}, "Array of TypedArray(Int8Array)");

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