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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=721569
-->
<head>
<title>Test for Blob constructor (Bug 721569)</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="fileutils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=721569">Mozilla Bug 721569</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript;version=1.7">
"use strict";
/** Test for Bug 721569 **/
var blob = new Blob();
ok(blob, "Blob should exist");
ok(blob.size !== undefined, "Blob should have a size property");
ok(blob.type !== undefined, "Blob should have a type property");
ok(blob.slice, "Blob should have a slice method");
blob = new Blob([], {type: null});
ok(blob, "Blob should exist");
is(blob.type, "null", "Blob type should be stringified");
blob = new Blob([], {type: undefined});
ok(blob, "Blob should exist");
is(blob.type, "", "Blob type should be treated as missing");
try {
blob = new Blob([]);
ok(true, "an empty blobParts argument should not throw");
} catch(e) {
ok(false, "NOT REACHED");
}
try {
blob = new Blob(null);
ok(false, "NOT REACHED");
} catch(e) {
ok(true, "a null blobParts member should throw");
}
try {
blob = new Blob([], null);
ok(true, "a null options member should not throw");
} catch(e) {
ok(false, "NOT REACHED");
}
try {
blob = new Blob([], undefined);
ok(true, "an undefined options member should not throw");
} catch(e) {
ok(false, "NOT REACHED");
}
try {
blob = new Blob([], false);
ok(false, "NOT REACHED");
} catch(e) {
ok(true, "a boolean options member should throw");
}
try {
blob = new Blob([], 0);
ok(false, "NOT REACHED");
} catch(e) {
ok(true, "a numeric options member should throw");
}
try {
blob = new Blob([], "");
ok(false, "NOT REACHED");
} catch(e) {
ok(true, "a string options member should throw");
}
/** Test for dictionary initialization order **/
(function() {
var o = {};
var p = {type: "text/plain", endings: "transparent"};
var called = [];
function add_to_called(n) {
called.push(n);
return p[n];
}
["type", "endings"].forEach(function(n) {
Object.defineProperty(o, n, { get: add_to_called.bind(null, n) });
});
var b = new Blob([], o);
is(JSON.stringify(called), JSON.stringify(["endings", "type"]), "dictionary members should be get in lexicographical order");
})();
let blob1 = new Blob(["squiggle"]);
ok(blob1 instanceof Blob, "Blob constructor should produce Blobs");
ok(!(blob1 instanceof File), "Blob constructor should not produce Files");
is(blob1.type, "", "Blob constructor with no options should return Blob with empty type");
is(blob1.size, 8, "Blob constructor should return Blob with correct size");
let blob2 = new Blob(["steak"], {type: "content/type"});
ok(blob2 instanceof Blob, "Blob constructor should produce Blobs");
ok(!(blob2 instanceof File), "Blob constructor should not produce Files");
is(blob2.type, "content/type", "Blob constructor with a type option should return Blob with the type");
is(blob2.size, 5, "Blob constructor should return Blob with correct size");
let aB = new ArrayBuffer(16);
var int8View = new Int8Array(aB);
for (var i = 0; i < 16; i++) {
int8View[i] = i+65;
}
let testData =
[
// Test 3 strings
[["foo", "bar", "baz"], {},
[{start: 0, length: 9, contents: "foobarbaz"},
{start: 0, length: 3, contents: "foo"},
{start: 3, length:6, contents: "barbaz"},
{start: 6, length: 3, contents: "baz"},
{start: 6, length: 6, contents: "baz"},
{start: 0, length: 9, contents: "foobarbaz"},
{start: 0, length: 11, contents: "foobarbaz"},
{start: 10, length: 5, contents: ""}]],
// Test string, Blob, string
[["foo", blob1, "baz"], {},
[{start: 0, length: 3, contents: "foo"},
{start: 3, length: 8, contents: "squiggle"},
{start: 2, length: 2, contents: "os"},
{start: 10, length: 2, contents: "eb"}]],
// Test blob, string, blob
[[blob1, "foo", blob1], {},
[{start: 0, length: 8, contents: "squiggle"},
{start: 7, length: 2, contents: "ef"},
{start: 10, length: 2, contents: "os"},
{start: 1, length: 3, contents: "qui"},
{start: 12, length: 3, contents: "qui"},
{start: 40, length: 20, contents: ""}]],
// Test blobs all the way down
[[blob2, blob1, blob2], {},
[{start: 0, length: 5, contents: "steak"},
{start: 5, length: 8, contents: "squiggle"},
{start: 13, length: 5, contents: "steak"},
{start: 1, length: 2, contents: "te"},
{start: 6, length: 4, contents: "quig"}]],
// Test an array buffer
[[aB, blob1, "foo"], {},
[{start: 0, length: 8, contents: "ABCDEFGH"},
{start: 8, length:10, contents: "IJKLMNOPsq"},
{start: 17, length: 3, contents: "qui"},
{start: 4, length: 8, contents: "EFGHIJKL"}]],
// Test an ArrayBufferView
[[int8View, blob1, "foo"], {},
[{start: 0, length: 8, contents: "ABCDEFGH"},
{start: 8, length:10, contents: "IJKLMNOPsq"},
{start: 17, length: 3, contents: "qui"},
{start: 4, length: 8, contents: "EFGHIJKL"}]],
// Test a partial ArrayBufferView
[[new Uint8Array(aB, 3, 5), blob1, "foo"], {},
[{start: 0, length: 8, contents: "DEFGHsqu"},
{start: 8, length:10, contents: "igglefoo"},
{start: 4, length: 8, contents: "Hsquiggl"}]],
// Test transparent line endings
[["foo\r\n", "bar\r", "baz\n"], { endings: "transparent" },
[{start: 0, length: 5, contents: "foo\r\n"},
{start: 5, length: 4, contents: "bar\r"},
{start: 9, length: 4, contents: "baz\n"}]],
// Test transparent line endings when the second argument is omitted
[["foo\r\n", "bar\r", "baz\n"], undefined,
[{start: 0, length: 5, contents: "foo\r\n"},
{start: 5, length: 4, contents: "bar\r"},
{start: 9, length: 4, contents: "baz\n"}]],
// Test native line endings
[["foo\r\n", "bar\r", "baz\n"], { endings: "native" },
navigator.platform.indexOf("Win") != -1 ?
[{start: 0, length: 5, contents: "foo\r\n"},
{start: 5, length: 5, contents: "bar\r\n"},
{start: 10, length: 5, contents: "baz\r\n"}] :
[{start: 0, length: 4, contents: "foo\n"},
{start: 4, length: 4, contents: "bar\n"},
{start: 8, length: 4, contents: "baz\n"}]],
// Test type coercion of a number
[[3, int8View, "foo"], {},
[{start: 0, length: 8, contents: "3ABCDEFG"},
{start: 8, length:10, contents: "HIJKLMNOPf"},
{start: 17, length: 4, contents: "foo"},
{start: 4, length: 8, contents: "DEFGHIJK"}]]
];
let testCounter = 0;
function doTest(data) {
testCounter++;
var [blobs, options, tests] = data;
function runTest(test) {
let blob;
if (options !== undefined) {
blob = new Blob(blobs, options);
} else {
blob = new Blob(blobs);
}
ok(blob, "Test " + testCounter + " got blob");
ok(blob instanceof Blob, "Test " + testCounter + " blob is a Blob");
ok(!(blob instanceof File), "Test " + testCounter + " blob is not a File");
let slice = blob.slice(test.start, test.start + test.length);
ok(slice, "Test " + testCounter + " got slice");
ok(slice instanceof Blob, "Test " + testCounter + " slice is a Blob");
ok(!(slice instanceof File), "Test " + testCounter + " slice is not a File");
is(slice.size, test.contents.length,
"Test " + testCounter + " slice is correct size");
testFile(slice, test.contents, "Test " + testCounter);
}
if (Array.isArray(tests)) {
tests.forEach(runTest);
} else {
try {
let blob = new Blob(blobs, options);
ok(false, "NOT REACHED");
} catch (e) {
is(e.name, tests, "Blob constructor should throw " + tests);
}
}
SpecialPowers.gc();
}
SimpleTest.waitForExplicitFinish();
testData.forEach(doTest);
</script>
</pre>
</body>
</html>
|
