third_party/WebKit/LayoutTests/fast/files/file-constructor.html

   1 <!DOCTYPE html>
   2
   3 <script src="../../resources/js-test.js"></script>
   4 <script>
   5 description("Test the File constructor.");
   6
   7 // Test the different ways you can construct a File.
   8 shouldBeTrue("(new File([], 'world.html')) instanceof window.File");
   9 shouldBeTrue("(new File(['hello'], 'world.html')) instanceof window.File");
  10 shouldBeTrue("(new File(['hello'], 'world.html', {})) instanceof window.File");
  11 shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html'})) instanceof window.File");
  12 shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html', endings:'native'})) instanceof window.File");
  13 shouldBeTrue("(new File(['hello'], 'world.html', {type:'text/html', endings:'transparent'})) instanceof window.File");
  14
  15 // Test that File inherits from File.
  16 shouldBeTrue("(new File([], 'world.html')) instanceof window.File")
  17
  18 // Verify that the file name argument is required.
  19 shouldThrow("(new File())", '"TypeError: Failed to construct \'File\': 2 arguments required, but only 0 present."');
  20 shouldThrow("(new File([]))", '"TypeError: Failed to construct \'File\': 2 arguments required, but only 1 present."');
  21
  22 // Test valid file names.
  23 shouldBeTrue("(new File([], null)) instanceof window.File");
  24 shouldBeTrue("(new File([], 1)) instanceof window.File");
  25 shouldBeTrue("(new File([], '')) instanceof window.File");
  26 shouldBeTrue("(new File([], document)) instanceof window.File");
  27
  28 // Test invalid file parts.
  29 shouldThrow("new File('hello', 'world.html')", '"TypeError: Failed to construct \'File\': The 1st argument is neither an array, nor does it have indexed properties."');
  30 shouldThrow("new File(0, 'world.html')", '"TypeError: Failed to construct \'File\': The 1st argument is neither an array, nor does it have indexed properties."');
  31 shouldThrow("new File(null, 'world.html')", '"TypeError: Failed to construct \'File\': The 1st argument is neither an array, nor does it have indexed properties."');
  32
  33 // Test valid file parts.
  34 shouldBeTrue("(new File([], 'world.html')) instanceof window.File");
  35 shouldBeTrue("(new File(['stringPrimitive'], 'world.html')) instanceof window.File");
  36 shouldBeTrue("(new File([String('stringObject')], 'world.html')) instanceof window.File");
  37 shouldBeTrue("(new File([new Blob], 'world.html')) instanceof window.File");
  38 shouldBeTrue("(new File([new Blob([new Blob])], 'world.html')) instanceof window.File");
  39
  40 // Test File instances used as blob parts.
  41 shouldBeTrue("(new Blob([new File([], 'world.txt')])) instanceof window.Blob");
  42 shouldBeTrue("(new Blob([new Blob([new File([new Blob], 'world.txt')])])) instanceof window.Blob");
  43 shouldBeTrue("(new File([new File([], 'world.txt')], 'world.html')) instanceof window.File");
  44 shouldBeTrue("(new File([new Blob([new File([new Blob], 'world.txt')])], 'world.html')) instanceof window.File");
  45
  46 // Test some conversions to string in the parts array.
  47 shouldBe("(new File([12], 'world.html')).size", "2");
  48 shouldBe("(new File([[]], 'world.html')).size", "0");         // [].toString() is the empty string
  49 shouldBe("(new File([{}], 'world.html')).size", "15");;       // {}.toString() is the string "[object Object]"
  50 shouldBe("(new File([document], 'world.html')).size", "21");  // document.toString() is the string "[object HTMLDocument]"
  51
  52 var toStringingObj = { toString: function() { return "A string"; } };
  53 shouldBe("(new File([toStringingObj], 'world.html')).size", "8");
  54
  55 var throwingObj = { toString: function() { throw "Error"; } };
  56 shouldThrow("new File([throwingObj], 'world.html')", "'Error'");
  57
  58 // Test some conversions to string in the file name.
  59 shouldBe("(new File([], null)).name", "'null'");
  60 shouldBe("(new File([], 12)).name", "'12'");
  61 shouldBe("(new File([], '')).name", "''");
  62 shouldBe("(new File([], {})).name", "'[object Object]'");
  63 shouldBe("(new File([], document)).name", "'[object HTMLDocument]'");
  64 shouldBe("(new File([], toStringingObj)).name", "'A string'");
  65 shouldThrow("(new File([], throwingObj)).name", "'Error'");
  66
  67 // Test some invalid property bags.
  68 shouldBeTrue("(new File([], 'world.html', {unknownKey:'value'})) instanceof window.File");    // Ignore invalid keys
  69 shouldThrow("new File([], 'world.html', {endings:'illegalValue'})", "'TypeError: Failed to construct \\'File\\': The provided value \\'illegalValue\\' is not a valid enum value of type NormalizeLineEndings.'");
  70 shouldThrow("new File([], 'world.html', {endings:throwingObj})", "'Error'");
  71 shouldThrow("new File([], 'world.html', {type:throwingObj})", "'Error'");
  72 shouldThrow("new File([], 'world.html', {type:'hello\u00EE'})", "'SyntaxError: Failed to construct \\'File\\': The \\'type\\' property must consist of ASCII characters.'");
  73
  74 // Test various non-object literals being used as property bags.
  75 shouldBeTrue("(new File([], 'world.html', null)) instanceof window.File");
  76 shouldBeTrue("(new File([], 'world.html', undefined)) instanceof window.File");
  77 shouldThrow("(new File([], 'world.html', 123)) instanceof window.File", "'TypeError: Failed to construct \\'File\\': parameter 3 (\\'options\\') is not an object.'");
  78 shouldThrow("(new File([], 'world.html', 123.4)) instanceof window.File", "'TypeError: Failed to construct \\'File\\': parameter 3 (\\'options\\') is not an object.'");
  79 shouldThrow("(new File([], 'world.html', true)) instanceof window.File", "'TypeError: Failed to construct \\'File\\': parameter 3 (\\'options\\') is not an object.'");
  80 shouldThrow("(new File([], 'world.html', 'abc')) instanceof window.File", "'TypeError: Failed to construct \\'File\\': parameter 3 (\\'options\\') is not an object.'");
  81 shouldBeTrue("(new File([], 'world.html', [])) instanceof window.File");
  82 shouldBeTrue("(new File([], 'world.html', /abc/)) instanceof window.File");
  83 shouldBeTrue("(new File([], 'world.html', function () {})) instanceof window.File");
  84
  85 // Test that the name/type/size are correctly added to the File.
  86 shouldBe("(new File([], 'world.html', {type:'text/html'})).name", "'world.html'");
  87 shouldBe("(new File([], 'world.html', {type:'text/html'})).type", "'text/html'");
  88 shouldBe("(new File([], 'world.html', {type:'text/html'})).size", "0");
  89 shouldBe("(new File([], 'world.html', {type:'text/plain;charset=UTF-8'})).type", "'text/plain;charset=utf-8'");
  90
  91 // Test that the lastModified is correctly added to the File.
  92 var aDate = new Date(441532800000);
  93 shouldBe("(new File([], 'world.html', {lastModified: 441532800000})).lastModified", "441532800000");
  94 // Unless specified, lastModified should default to now.
  95 shouldBeNow("(new File([], 'world.html')).lastModified", 20000);
  96 shouldBeNow("(new File([], 'world.html', {})).lastModified", 20000);
  97 shouldBeNow("(new File([], 'world.html', {type: 'text/plain'})).lastModified", 20000);
  98 // Test that Date instances are implicitly converted to numbers.
  99 shouldBe("(new File([], 'world.html', {lastModified: new Date(441532800000)})).lastModified", "441532800000");
 100
 101 // Test the deprecated attribute lastModifiedDate.
 102 shouldBeTrue("(new File([], 'world.html', {lastModified: 441532800000})).lastModifiedDate instanceof Date");
 103 shouldBe("(new File([], 'world.html', {lastModified: 441532800000})).lastModifiedDate.valueOf()", "441532800000");
 104
 105 // Test the number of expected arguments in the File constructor.
 106 shouldBe("window.File.length", "2");
 107
 108 // Test ArrayBufferView parameters.
 109 shouldBe("new File([new DataView(new ArrayBuffer(100))], 'world.html').size", "100");
 110 shouldBe("new File([new Uint8Array(100)], 'world.html').size", "100");
 111 shouldBe("new File([new Uint8ClampedArray(100)], 'world.html').size", "100");
 112 shouldBe("new File([new Uint16Array(100)], 'world.html').size", "200");
 113 shouldBe("new File([new Uint32Array(100)], 'world.html').size", "400");
 114 shouldBe("new File([new Int8Array(100)], 'world.html').size", "100");
 115 shouldBe("new File([new Int16Array(100)], 'world.html').size", "200");
 116 shouldBe("new File([new Int32Array(100)], 'world.html').size", "400");
 117 shouldBe("new File([new Float32Array(100)], 'world.html').size", "400");
 118 shouldBe("new File([new Float64Array(100)], 'world.html').size", "800");
 119 shouldBe("new File([new Float64Array(100), new Int32Array(100), new Uint8Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1400");
 120 shouldBe("new File([new Blob([new Int32Array(100)]), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1000");
 121 shouldBe("new File([new Blob([new Int32Array(100)]), new File([new Uint16Array(100)], 'world.txt'), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))], 'world.html').size", "1200");
 122
 123 // Test ArrayBuffer parameters.
 124 shouldBe("new File([(new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "100");
 125 shouldBe("new File([(new Uint8Array(100)).buffer], 'world.html').size", "100");
 126 shouldBe("new File([(new Uint8ClampedArray(100)).buffer], 'world.html').size", "100");
 127 shouldBe("new File([(new Uint16Array(100)).buffer], 'world.html').size", "200");
 128 shouldBe("new File([(new Uint32Array(100)).buffer], 'world.html').size", "400");
 129 shouldBe("new File([(new Int8Array(100)).buffer], 'world.html').size", "100");
 130 shouldBe("new File([(new Int16Array(100)).buffer], 'world.html').size", "200");
 131 shouldBe("new File([(new Int32Array(100)).buffer], 'world.html').size", "400");
 132 shouldBe("new File([(new Float32Array(100)).buffer], 'world.html').size", "400");
 133 shouldBe("new File([(new Float64Array(100)).buffer], 'world.html').size", "800");
 134 shouldBe("new File([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer, (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1400");
 135 shouldBe("new File([new Blob([(new Int32Array(100)).buffer]), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1000");
 136 shouldBe("new File([new Blob([(new Int32Array(100)).buffer]), new File([new Uint16Array(100).buffer], 'world.txt'), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer], 'world.html').size", "1200");
 137
 138 // Test building Blobs with ArrayBuffer / ArrayBufferView parts enclosed in files.
 139 shouldBe("new Blob([new Blob([new Int32Array(100)]), new File([new Uint16Array(100)], 'world.txt'), new Uint8Array(100), new Float32Array(100), new DataView(new ArrayBuffer(100))]).size", "1200");
 140 shouldBe("new Blob([new Blob([(new Int32Array(100)).buffer]), new File([new Uint16Array(100).buffer], 'world.txt'), (new Uint8Array(100)).buffer, (new Float32Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).size", "1200");
 141
 142 // Test passing blob parts in objects with indexed properties.
 143 // (This depends on the bindings code handling of sequence<T>)
 144 shouldBe("new File({length: 0}, 'world.txt').size", "0");
 145 shouldBe("new File({length: 1, 0: 'string'}, 'world.txt').size", "6");
 146 </script>