1 files changed, 81 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/reading-data-section/Determining-Encoding.any.js b/testing/web-platform/tests/FileAPI/reading-data-section/Determining-Encoding.any.js
new file mode 100644
index 0000000000..5b69f7ed98
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+++ b/testing/web-platform/tests/FileAPI/reading-data-section/Determining-Encoding.any.js
@@ -0,0 +1,81 @@
+// META: title=FileAPI Test: Blob Determining Encoding
+
+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 blob = new Blob([new Uint8Array(data)]);
+    var reader = new FileReader();
+
+    reader.onloadend = t.step_func_done (function(event) {
+        assert_equals(this.result, "hello", "The FileReader should read the ArrayBuffer through UTF-16BE.")
+    }, 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 blob = new Blob([new Uint8Array(data)], {type:"text/plain;charset=UTF-16BE"});
+    var reader = new FileReader();
+
+    reader.onloadend = t.step_func_done (function(event) {
+        assert_equals(this.result, "hello", "The FileReader should read the ArrayBuffer through UTF-16BE.")
+    }, 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,0xC3,0xB6];
+    var blob = new Blob([new Uint8Array(data)]);
+    var reader = new FileReader();
+
+    reader.onloadend = t.step_func_done (function(event) {
+        assert_equals(this.result, "hellö", "The FileReader should read the blob with UTF-8.");
+    }, reader);
+
+    reader.readAsText(blob);
+});
+
+var t = async_test("Blob Determing Encoding without anything implying charset.");
+t.step(function() {
+    var data = [0x68,0x65,0x6C,0x6C,0xC3,0xB6];
+    var blob = new Blob([new Uint8Array(data)]);
+    var reader = new FileReader();
+
+    reader.onloadend = t.step_func_done (function(event) {
+        assert_equals(this.result, "hellö", "The FileReader should read the blob by default with UTF-8.");
+    }, 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 blob = new Blob([new Uint8Array(data)]);
+    var reader = new FileReader();
+
+    reader.onloadend = t.step_func_done (function(event) {
+        assert_equals(this.result, "hello", "The FileReader should read the ArrayBuffer through UTF-16BE.");
+    }, 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 blob = new Blob([new Uint8Array(data)]);
+    var reader = new FileReader();
+
+    reader.onloadend = t.step_func_done (function(event) {
+        assert_equals(this.result, "hello", "The FileReader should read the ArrayBuffer through UTF-16LE.");
+    }, reader);
+
+    reader.readAsText(blob);
+});