Merge pull request #283 from march1993/submissions/march1993/FileAPI-…

…Blob Add test cases for http://dev.w3.org/2006/webapi/FileAPI/#enctype
web-platform-tests · Jan 25, 2014 · 82d9d65 · 82d9d65
2 parents 0169da2 + 31f3b78
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diff --git a/FileAPI/FileReader/Determining-Encoding.html b/FileAPI/FileReader/Determining-Encoding.html
@@ -0,0 +1,150 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>FileAPI Test: Blob Determing Encoding</title>
+<link ref="author" title="march1993" href="mailto:march511@gmail.com">
+<link rel=help href="http://www.w3.org/TR/FileAPI/#enctypes">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+var t = async_test("Blob Determing Encoding with encoding argument");
+t.step(function() {
+    // string 'hello'
+    var data = [0xFE,0xFF,0x00,0x68,0x00,0x65,0x00,0x6C,0x00,0x6C,0x00,0x6F];
+    var testStringArray = new ArrayBuffer(data.length);
+    var dataView = new DataView(testStringArray);
+    data.forEach(function(v,i){
+        dataView.setInt8(i, v);
+    });
+    var testString = "hello";
+
+    var blob = new Blob([testStringArray]);
+    var reader = new FileReader();
+    var strResult = "";
+
+    reader.onloadend = t.step_func_done (function(event) {
+        strResult = reader.result;
+        assert_equals(strResult, testString, "The FileReader should read the ArrayBuffer through UTF-16BE.")
+        t.done();
+    }, reader);
+
+    reader.readAsText(blob, "UTF-16BE");
+});
+
+var t = async_test("Blob Determing Encoding with type attribute");
+t.step(function() {
+    var data = [0xFE,0xFF,0x00,0x68,0x00,0x65,0x00,0x6C,0x00,0x6C,0x00,0x6F];
+    var testStringArray = new ArrayBuffer(data.length);
+    var dataView = new DataView(testStringArray);
+    data.forEach(function(v,i){
+        dataView.setInt8(i, v);
+    });
+    var testString = "hello";
+
+    var blob = new Blob([testStringArray], {type:"text/plain;charset=UTF-16BE"});
+    var reader = new FileReader();
+    var strResult = "";
+
+    reader.onloadend = t.step_func_done (function(event) {
+        strResult = reader.result;
+        assert_equals(strResult, testString, "The FileReader should read the ArrayBuffer through UTF-16BE.")
+        t.done();
+    }, reader);
+
+    reader.readAsText(blob);
+});
+
+
+var t = async_test("Blob Determing Encoding with UTF-8 BOM");
+t.step(function() {
+    var data = [0xEF,0xBB,0xBF,0x68,0x65,0x6C,0x6C,0x6F];
+    var testStringArray = new ArrayBuffer(data.length);
+    var dataView = new DataView(testStringArray);
+    data.forEach(function(v,i){
+        dataView.setInt8(i, v);
+    });
+    var testString = "hello";
+
+    var blob = new Blob([testStringArray]);
+    var reader = new FileReader();
+    var strResult = "";
+
+    reader.onloadend = t.step_func_done (function(event) {
+        strResult = reader.result;
+        assert_equals(strResult, testString, "The FileReader should read the blob with UTF-8.");
+        t.done();
+    }, reader);
+
+    reader.readAsText(blob);
+});
+
+var t = async_test("Blob Determing Encoding without anything implying charset.");
+t.step(function() {
+    var data = [0x68,0x65,0x6C,0x6C,0x6F];
+    var testStringArray = new ArrayBuffer(data.length);
+    var dataView = new DataView(testStringArray);
+    data.forEach(function(v,i){
+        dataView.setInt8(i, v);
+    });
+    var testString = "hello";
+
+    var blob = new Blob([testStringArray]);
+    var reader = new FileReader();
+    var strResult = "";
+
+    reader.onloadend = t.step_func_done (function(event) {
+        strResult = reader.result;
+        assert_equals(strResult, testString, "The FileReader should read the blob by default with UTF-8.");
+        t.done();
+    }, reader);
+
+    reader.readAsText(blob);
+});
+
+var t = async_test("Blob Determing Encoding with UTF-16BE BOM");
+t.step(function() {
+    var data = [0xFE,0xFF,0x00,0x68,0x00,0x65,0x00,0x6C,0x00,0x6C,0x00,0x6F];
+    var testStringArray = new ArrayBuffer(data.length);
+    var dataView = new DataView(testStringArray);
+    data.forEach(function(v,i){
+        dataView.setInt8(i, v);
+    });
+    var testString = "hello";
+
+    var blob = new Blob([testStringArray]);
+    var reader = new FileReader();
+    var strResult = "";
+
+    reader.onloadend = t.step_func_done (function(event) {
+        strResult = reader.result;
+        assert_equals(strResult, testString, "The FileReader should read the ArrayBuffer through UTF-16BE.");
+        t.done();
+    }, reader);
+
+    reader.readAsText(blob);
+});
+
+var t = async_test("Blob Determing Encoding with UTF-16LE BOM");
+t.step(function() {
+    var data = [0xFF,0xFE,0x68,0x00,0x65,0x00,0x6C,0x00,0x6C,0x00,0x6F,0x00];
+    var testStringArray = new ArrayBuffer(data.length);
+    var dataView = new DataView(testStringArray);
+    data.forEach(function(v,i){
+        dataView.setInt8(i, v);
+    });
+    var testString = "hello";
+
+    var blob = new Blob([testStringArray]);
+    var reader = new FileReader();
+    var strResult = "";
+
+    reader.onloadend = t.step_func_done (function(event) {
+        strResult = reader.result;
+        assert_equals(strResult, testString, "The FileReader should read the ArrayBuffer through UTF-16LE.");
+        t.done();
+    }, reader);
+
+    reader.readAsText(blob);
+});
+
+</script>
diff --git a/FileAPI/FileReader/MANIFEST b/FileAPI/FileReader/MANIFEST
@@ -0,0 +1 @@
+Determining-Encoding.html