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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <!DOCTYPE html> |
2 <html> | 2 |
3 <head> | |
4 <script src="../../resources/js-test.js"></script> | 3 <script src="../../resources/js-test.js"></script> |
5 </head> | 4 <script> |
6 <body> | 5 description("Test the Blob constructor."); |
7 <script src="script-tests/blob-constructor.js"></script> | 6 |
8 </body> | 7 // Test the different ways you can construct a Blob. |
9 </html> | 8 shouldBeTrue("(new Blob()) instanceof window.Blob"); |
| 9 shouldBeTrue("(new Blob([])) instanceof window.Blob"); |
| 10 shouldBeTrue("(new Blob(['hello'])) instanceof window.Blob"); |
| 11 shouldBeTrue("(new Blob(['hello'], {})) instanceof window.Blob"); |
| 12 shouldBeTrue("(new Blob(['hello'], {type:'text/html'})) instanceof window.Blob")
; |
| 13 shouldBeTrue("(new Blob(['hello'], {type:'text/html', endings:'native'})) instan
ceof window.Blob"); |
| 14 shouldBeTrue("(new Blob(['hello'], {type:'text/html', endings:'transparent'})) i
nstanceof window.Blob"); |
| 15 |
| 16 // Test invalid blob parts. |
| 17 shouldThrow("new Blob('hello')", '"TypeError: Failed to construct \'Blob\': The
1st argument is neither an array, nor does it have indexed properties."'); |
| 18 shouldThrow("new Blob(0)", '"TypeError: Failed to construct \'Blob\': The 1st ar
gument is neither an array, nor does it have indexed properties."'); |
| 19 |
| 20 // Test valid blob parts. |
| 21 shouldBeTrue("(new Blob([])) instanceof window.Blob"); |
| 22 shouldBeTrue("(new Blob(['stringPrimitive'])) instanceof window.Blob"); |
| 23 shouldBeTrue("(new Blob([String('stringObject')])) instanceof window.Blob"); |
| 24 shouldBeTrue("(new Blob([new Blob])) instanceof window.Blob"); |
| 25 shouldBeTrue("(new Blob([new Blob([new Blob])])) instanceof window.Blob"); |
| 26 |
| 27 // Test some conversions to string in the parts array. |
| 28 shouldBe("(new Blob([12])).size", "2"); |
| 29 shouldBe("(new Blob([[]])).size", "0"); // [].toString() is the empty st
ring |
| 30 shouldBe("(new Blob([{}])).size", "15");; // {}.toString() is the string "
[object Object]" |
| 31 shouldBe("(new Blob([document])).size", "21"); // document.toString() is the st
ring "[object HTMLDocument]" |
| 32 |
| 33 var toStringingObj = { toString: function() { return "A string"; } }; |
| 34 shouldBe("(new Blob([toStringingObj])).size", "8"); |
| 35 |
| 36 var throwingObj = { toString: function() { throw "Error"; } }; |
| 37 shouldThrow("new Blob([throwingObj])", "'Error'"); |
| 38 |
| 39 // Test some invalid property bags. |
| 40 shouldBeTrue("(new Blob([], {unknownKey:'value'})) instanceof window.Blob");
// Ignore invalid keys |
| 41 shouldThrow("new Blob([], {endings:'illegalValue'})", "'TypeError: Failed to con
struct \\'Blob\\': The \"endings\" property must be either \"transparent\" or \"
native\".'"); |
| 42 shouldThrow("new Blob([], {endings:throwingObj})", "'Error'"); |
| 43 shouldThrow("new Blob([], {type:throwingObj})", "'Error'"); |
| 44 shouldThrow("new Blob([], {type:'hello\u00EE'})", "'SyntaxError: Failed to const
ruct \\'Blob\\': The \"type\" property must consist of ASCII characters.'"); |
| 45 |
| 46 // Test that order of property bag evaluation is lexigraphical |
| 47 var throwingObj1 = { toString: function() { throw "Error 1"; } }; |
| 48 var throwingObj2 = { toString: function() { throw "Error 2"; } }; |
| 49 shouldThrow("new Blob([], {endings:throwingObj1, type:throwingObj2})", "'Error 1
'"); |
| 50 shouldThrow("new Blob([], {type:throwingObj2, endings:throwingObj1})", "'Error 1
'"); |
| 51 shouldThrow("new Blob([], {type:throwingObj2, endings:'illegal'})", "'TypeError:
Failed to construct \\'Blob\\': The \"endings\" property must be either \"trans
parent\" or \"native\".'"); |
| 52 |
| 53 // Test various non-object literals being used as property bags. |
| 54 shouldThrow("(new Blob([], null)) instanceof window.Blob", "'TypeError: Failed t
o construct \\'Blob\\': The 2nd argument is not of type Object.'"); |
| 55 shouldThrow("(new Blob([], undefined)) instanceof window.Blob", "'TypeError: Fai
led to construct \\'Blob\\': The 2nd argument is not of type Object.'"); |
| 56 shouldThrow("(new Blob([], 123)) instanceof window.Blob", "'TypeError: Failed to
construct \\'Blob\\': The 2nd argument is not of type Object.'"); |
| 57 shouldThrow("(new Blob([], 123.4)) instanceof window.Blob", "'TypeError: Failed
to construct \\'Blob\\': The 2nd argument is not of type Object.'"); |
| 58 shouldThrow("(new Blob([], true)) instanceof window.Blob", "'TypeError: Failed t
o construct \\'Blob\\': The 2nd argument is not of type Object.'"); |
| 59 shouldThrow("(new Blob([], 'abc')) instanceof window.Blob", "'TypeError: Failed
to construct \\'Blob\\': The 2nd argument is not of type Object.'"); |
| 60 shouldBeTrue("(new Blob([], [])) instanceof window.Blob"); |
| 61 shouldBeTrue("(new Blob([], /abc/)) instanceof window.Blob"); |
| 62 shouldBeTrue("(new Blob([], function () {})) instanceof window.Blob"); |
| 63 |
| 64 // Test that the type/size is correctly added to the Blob |
| 65 shouldBe("(new Blob([], {type:'text/html'})).type", "'text/html'"); |
| 66 shouldBe("(new Blob([], {type:'text/html'})).size", "0"); |
| 67 shouldBe("(new Blob([], {type:'text/plain;charset=UTF-8'})).type", "'text/plain;
charset=utf-8'"); |
| 68 |
| 69 // Test the number of expected arguments in the Blob constructor. |
| 70 shouldBe("window.Blob.length", "0"); |
| 71 |
| 72 // Test ArrayBufferView parameters. |
| 73 shouldBe("new Blob([new DataView(new ArrayBuffer(100))]).size", "100"); |
| 74 shouldBe("new Blob([new Uint8Array(100)]).size", "100"); |
| 75 shouldBe("new Blob([new Uint8ClampedArray(100)]).size", "100"); |
| 76 shouldBe("new Blob([new Uint16Array(100)]).size", "200"); |
| 77 shouldBe("new Blob([new Uint32Array(100)]).size", "400"); |
| 78 shouldBe("new Blob([new Int8Array(100)]).size", "100"); |
| 79 shouldBe("new Blob([new Int16Array(100)]).size", "200"); |
| 80 shouldBe("new Blob([new Int32Array(100)]).size", "400"); |
| 81 shouldBe("new Blob([new Float32Array(100)]).size", "400"); |
| 82 shouldBe("new Blob([new Float64Array(100)]).size", "800"); |
| 83 shouldBe("new Blob([new Float64Array(100), new Int32Array(100), new Uint8Array(1
00), new DataView(new ArrayBuffer(100))]).size", "1400"); |
| 84 shouldBe("new Blob([new Blob([new Int32Array(100)]), new Uint8Array(100), new Fl
oat32Array(100), new DataView(new ArrayBuffer(100))]).size", "1000"); |
| 85 |
| 86 // Test ArrayBuffer parameters. |
| 87 shouldBe("new Blob([(new DataView(new ArrayBuffer(100))).buffer]).size", "100"); |
| 88 shouldBe("new Blob([(new Uint8Array(100)).buffer]).size", "100"); |
| 89 shouldBe("new Blob([(new Uint8ClampedArray(100)).buffer]).size", "100"); |
| 90 shouldBe("new Blob([(new Uint16Array(100)).buffer]).size", "200"); |
| 91 shouldBe("new Blob([(new Uint32Array(100)).buffer]).size", "400"); |
| 92 shouldBe("new Blob([(new Int8Array(100)).buffer]).size", "100"); |
| 93 shouldBe("new Blob([(new Int16Array(100)).buffer]).size", "200"); |
| 94 shouldBe("new Blob([(new Int32Array(100)).buffer]).size", "400"); |
| 95 shouldBe("new Blob([(new Float32Array(100)).buffer]).size", "400"); |
| 96 shouldBe("new Blob([(new Float64Array(100)).buffer]).size", "800"); |
| 97 shouldBe("new Blob([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer
, (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).si
ze", "1400"); |
| 98 shouldBe("new Blob([new Blob([(new Int32Array(100)).buffer]), (new Uint8Array(10
0)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100)))
.buffer]).size", "1000"); |
| 99 |
| 100 // Test passing blob parts in sequences. |
| 101 shouldBeTrue("new Blob({length: 0}) instanceof window.Blob"); |
| 102 shouldBe("new Blob({length: 0}).size", "0"); |
| 103 shouldBe("new Blob({length: 1, 0: 'string'}).size", "6"); |
| 104 shouldBe("new Blob({length: 2, 0: new Uint8Array(100), 1: new Int16Array(100)}).
size", "300"); |
| 105 shouldBe("new Blob({length: 1, 0: 'string'}, {type: 'text/html'}).type", "'text/
html'"); |
| 106 shouldThrow("new Blob({length: 0}, {endings:'illegal'})", "'TypeError: Failed to
construct \\'Blob\\': The \"endings\" property must be either \"transparent\" o
r \"native\".'"); |
| 107 |
| 108 // Test passing blog parts in a sequence-like object that throws on property acc
ess. |
| 109 var throwingSequence = {length: 4, 0: 'hello', 3: 'world'}; |
| 110 Object.defineProperty(throwingSequence, "1", { |
| 111 get: function() { throw new Error("Misbehaving property"); }, |
| 112 enumerable: true, configurable: true |
| 113 }); |
| 114 Object.defineProperty(throwingSequence, "2", { |
| 115 get: function() { throw new Error("This should not be thrown"); }, |
| 116 enumerable: true, configurable: true |
| 117 }); |
| 118 shouldThrow("new Blob(throwingSequence)", "'Error: Misbehaving property'"); |
| 119 </script> |
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