idb_binary_key_conversion.htm

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This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idb_binary_key_conversion.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<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>

<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)");

</script>

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