third_party/WebKit/LayoutTests/fast/files/blob-constructor.html - Issue 2707243006: [SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

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Issue 2707243006: [SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs (Closed)

Patch Set: update comment, add TODO Created 3 years, 8 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2	2

3 <script src="../../resources/js-test.js"></script>	3 <script src="../../resources/js-test.js"></script>

4 <script>	4 <script>

5 description("Test the Blob constructor.");	5 description("Test the Blob constructor.");

6 var jsTestIsAsync = true;	6 var jsTestIsAsync = true;

7	7

8 // Test the different ways you can construct a Blob.	8 // Test the different ways you can construct a Blob.

9 shouldBeTrue("(new Blob()) instanceof window.Blob");	9 shouldBeTrue("(new Blob()) instanceof window.Blob");

10 shouldBeTrue("(new Blob(undefined)) instanceof window.Blob");	10 shouldBeTrue("(new Blob(undefined)) instanceof window.Blob");

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116 shouldBe("new Blob([(new Uint16Array(100)).buffer]).size", "200");	116 shouldBe("new Blob([(new Uint16Array(100)).buffer]).size", "200");

117 shouldBe("new Blob([(new Uint32Array(100)).buffer]).size", "400");	117 shouldBe("new Blob([(new Uint32Array(100)).buffer]).size", "400");

118 shouldBe("new Blob([(new Int8Array(100)).buffer]).size", "100");	118 shouldBe("new Blob([(new Int8Array(100)).buffer]).size", "100");

119 shouldBe("new Blob([(new Int16Array(100)).buffer]).size", "200");	119 shouldBe("new Blob([(new Int16Array(100)).buffer]).size", "200");

120 shouldBe("new Blob([(new Int32Array(100)).buffer]).size", "400");	120 shouldBe("new Blob([(new Int32Array(100)).buffer]).size", "400");

121 shouldBe("new Blob([(new Float32Array(100)).buffer]).size", "400");	121 shouldBe("new Blob([(new Float32Array(100)).buffer]).size", "400");

122 shouldBe("new Blob([(new Float64Array(100)).buffer]).size", "800");	122 shouldBe("new Blob([(new Float64Array(100)).buffer]).size", "800");

123 shouldBe("new Blob([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer , (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).si ze", "1400");	123 shouldBe("new Blob([(new Float64Array(100)).buffer, (new Int32Array(100)).buffer , (new Uint8Array(100)).buffer, (new DataView(new ArrayBuffer(100))).buffer]).si ze", "1400");

124 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");	124 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");

125	125

	126 if (window.SharedArrayBuffer) {

	127 // Test SharedArrayBuffer parameters.

	128 shouldThrow("new Blob([new Uint8Array(new SharedArrayBuffer(4))])", '"TypeErro r: Failed to construct \'Blob\': The provided ArrayBufferView value must not be shared."');

	129 }

	130

126 // Test passing blob parts in objects with indexed properties.	131 // Test passing blob parts in objects with indexed properties.

127 // (This depends on the bindings code handling of sequence<T>)	132 // (This depends on the bindings code handling of sequence<T>)

128 shouldBe("new Blob({length: 0}).size", "0");	133 shouldBe("new Blob({length: 0}).size", "0");

129 shouldBe("new Blob({length: 1, 0: 'string'}).size", "6");	134 shouldBe("new Blob({length: 1, 0: 'string'}).size", "6");

130	135

131 testNormalization();	136 testNormalization();

132	137

133 function testNormalization() {	138 function testNormalization() {

134 // Test that strings are not NFC normalized	139 // Test that strings are not NFC normalized

135 OMICRON_WITH_OXIA = '\u1F79'; // NFC normalized to U+3CC	140 OMICRON_WITH_OXIA = '\u1F79'; // NFC normalized to U+3CC

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150 reader = new FileReader();	155 reader = new FileReader();

151 reader.readAsText(new Blob([CONTAINS_UNPAIRED_SURROGATES]));	156 reader.readAsText(new Blob([CONTAINS_UNPAIRED_SURROGATES]));

152 reader.onload = function() {	157 reader.onload = function() {

153 shouldBe("reader.result.charCodeAt(3)", "0xFFFD");	158 shouldBe("reader.result.charCodeAt(3)", "0xFFFD");

154 shouldBe("reader.result.charCodeAt(7)", "0xFFFD");	159 shouldBe("reader.result.charCodeAt(7)", "0xFFFD");

155 finishJSTest();	160 finishJSTest();

156 };	161 };

157 }	162 }

158	163

159 </script>	164 </script>

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