1 files changed, 254 insertions, 0 deletions
diff --git a/dom/base/test/fileutils.js b/dom/base/test/fileutils.js
new file mode 100644
index 0000000000..8a6a7334a5
--- /dev/null
+++ b/dom/base/test/fileutils.js
@@ -0,0 +1,254 @@
+// Utility functions
+var testRanCounter = 0;
+var expectedTestCount = 0;
+
+function testHasRun() {
+ //alert(testRanCounter);
+ ++testRanCounter;
+ if (testRanCounter == expectedTestCount) {
+    SimpleTest.finish();
+  }
+}
+
+
+function testFile(file, contents, test) {
+  SimpleTest.requestLongerTimeout(2);
+
+  // Load file using FileReader
+  var r = new FileReader();
+  r.onload = getFileReaderLoadHandler(contents, contents.length, "FileReader.readAsBinaryString of " + test);
+  r.readAsBinaryString(file);
+  expectedTestCount++;
+
+  // Load file using URL.createObjectURL and XMLHttpRequest
+  var xhr = new XMLHttpRequest;
+  xhr.open("GET", URL.createObjectURL(file));
+  xhr.onload = getXHRLoadHandler(contents, contents.length,
+                                 "XMLHttpRequest load of " + test);
+  xhr.overrideMimeType('text/plain; charset=x-user-defined');
+  xhr.send();
+  expectedTestCount++;
+
+  // Send file to server using FormData and XMLHttpRequest
+  xhr = new XMLHttpRequest();
+  xhr.onload = function(event) {
+    checkMPSubmission(JSON.parse(event.target.responseText),
+                      [{ name: "hello", value: "world"},
+                       { name: "myfile",
+                         value: contents,
+                         fileName: file.name || "blob",
+                         contentType: file.type || "application/octet-stream" }]);
+    testHasRun();
+  }
+  xhr.open("POST", "../../../dom/html/test/form_submit_server.sjs");
+  var fd = new FormData;
+  fd.append("hello", "world");
+  fd.append("myfile", file);
+  xhr.send(fd);
+  expectedTestCount++;
+
+  // Send file to server using plain XMLHttpRequest
+  var xhr = new XMLHttpRequest;
+  xhr.open("POST", "../../../dom/xhr/tests/file_XHRSendData.sjs");
+  xhr.onload = function (event) {
+    is(event.target.getResponseHeader("Result-Content-Type"),
+       file.type ? file.type : null,
+       "request content-type in XMLHttpRequest send of " + test);
+    is(event.target.getResponseHeader("Result-Content-Length"),
+       String(file.size),
+       "request content-length in XMLHttpRequest send of " + test);
+  };
+  xhr.addEventListener("load",
+                       getXHRLoadHandler(contents, contents.length,
+                                         "XMLHttpRequest send of " + test),
+                       false);
+  xhr.overrideMimeType('text/plain; charset=x-user-defined');
+  xhr.send(file);
+  expectedTestCount++;
+}
+
+function getFileReaderLoadHandler(expectedResult, expectedLength, testName) {
+  return function (event) {
+    is(event.target.readyState, FileReader.DONE,
+       "[FileReader] readyState in test " + testName);
+    is(event.target.error, null,
+       "[FileReader] no error in test " + testName);
+    // Do not use |is(event.target.result, expectedResult, "...");| that may output raw binary data.
+    is(event.target.result.length, expectedResult.length,
+       "[FileReader] Length of result in test " + testName);
+    ok(event.target.result == expectedResult,
+       "[FileReader] Content of result in test " + testName);
+    is(event.lengthComputable, true,
+       "[FileReader] lengthComputable in test " + testName);
+    is(event.loaded, expectedLength,
+       "[FileReader] Loaded length in test " + testName);
+    is(event.total, expectedLength,
+       "[FileReader] Total length in test " + testName);
+    testHasRun();
+  }
+}
+
+function getXHRLoadHandler(expectedResult, expectedLength, testName) {
+  return function (event) {
+    is(event.target.readyState, 4,
+       "[XHR] readyState in test " + testName);
+    is(event.target.status, 200,
+       "[XHR] no error in test " + testName);
+    // Do not use |is(convertXHRBinary(event.target.responseText), expectedResult, "...");| that may output raw binary data.
+    var convertedData = convertXHRBinary(event.target.responseText);
+    is(convertedData.length, expectedResult.length,
+       "[XHR] Length of result in test " + testName);
+    ok(convertedData == expectedResult,
+       "[XHR] Content of result in test " + testName);
+    is(event.lengthComputable, event.total != 0,
+       "[XHR] lengthComputable in test " + testName);
+    is(event.loaded, expectedLength,
+       "[XHR] Loaded length in test " + testName);
+    is(event.total, expectedLength,
+       "[XHR] Total length in test " + testName);
+
+    testHasRun();
+  }
+}
+
+function convertXHRBinary(s) {
+  var res = "";
+  for (var i = 0; i < s.length; ++i) {
+    res += String.fromCharCode(s.charCodeAt(i) & 255);
+  }
+  return res;
+}
+
+function testHasRun() {
+ //alert(testRanCounter);
+ ++testRanCounter;
+ if (testRanCounter == expectedTestCount) {
+    SimpleTest.finish();
+  }
+}
+
+function gc() {
+  window.QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
+        .getInterface(SpecialPowers.Ci.nsIDOMWindowUtils)
+        .garbageCollect();
+}
+
+function checkMPSubmission(sub, expected) {
+  function getPropCount(o) {
+    var x, l = 0;
+    for (x in o) ++l;
+    return l;
+  }
+
+  is(sub.length, expected.length,
+     "Correct number of items");
+  var i;
+  for (i = 0; i < expected.length; ++i) {
+    if (!("fileName" in expected[i])) {
+      is(sub[i].headers["Content-Disposition"],
+         "form-data; name=\"" + expected[i].name + "\"",
+         "Correct name (A)");
+      is (getPropCount(sub[i].headers), 1,
+          "Wrong number of headers (A)");
+    }
+    else {
+      is(sub[i].headers["Content-Disposition"],
+         "form-data; name=\"" + expected[i].name + "\"; filename=\"" +
+           expected[i].fileName + "\"",
+         "Correct name (B)");
+      is(sub[i].headers["Content-Type"],
+         expected[i].contentType,
+         "Correct content type (B)");
+      is (getPropCount(sub[i].headers), 2,
+          "Wrong number of headers (B)");
+    }
+    // Do not use |is(sub[i].body, expected[i].value, "...");| that may output raw binary data.
+    is(sub[i].body.length, expected[i].value.length,
+       "Length of correct value");
+    ok(sub[i].body == expected[i].value,
+       "Content of correct value");
+  }
+}
+
+function testSlice(file, size, type, contents, fileType) {
+  is(file.type, type, fileType + " file is correct type");
+  is(file.size, size, fileType + " file is correct size");
+  ok(file instanceof File, fileType + " file is a File");
+  ok(file instanceof Blob, fileType + " file is also a Blob");
+  
+  var slice = file.slice(0, size);
+  ok(slice instanceof Blob, fileType + " fullsize slice is a Blob");
+  ok(!(slice instanceof File), fileType + " fullsize slice is not a File");
+
+  slice = file.slice(0, 1234);
+  ok(slice instanceof Blob, fileType + " sized slice is a Blob");
+  ok(!(slice instanceof File), fileType + " sized slice is not a File");
+  
+  slice = file.slice(0, size, "foo/bar");
+  is(slice.type, "foo/bar", fileType + " fullsize slice foo/bar type");
+
+  slice = file.slice(0, 5432, "foo/bar");
+  is(slice.type, "foo/bar", fileType + " sized slice foo/bar type");
+  
+  is(slice.slice(0, 10).type, "", fileType + " slice-slice type");
+  is(slice.slice(0, 10).size, 10, fileType + " slice-slice size");
+  is(slice.slice(0, 10, "hello/world").type, "hello/world", fileType + " slice-slice hello/world type");
+  is(slice.slice(0, 10, "hello/world").size, 10, fileType + " slice-slice hello/world size");
+
+  // Start, end, expected size
+  var indexes = [[0, size, size],
+                 [0, 1234, 1234],
+                 [size-500, size, 500],
+                 [size-500, size+500, 500],
+                 [size+500, size+1500, 0],
+                 [0, 0, 0],
+                 [1000, 1000, 0],
+                 [size, size, 0],
+                 [undefined, undefined, size],
+                 [0, undefined, size],
+                 [100, undefined, size-100],
+                 [-100, undefined, 100],
+                 [100, -100, size-200],
+                 [-size-100, undefined, size],
+                 [-2*size-100, 500, 500],
+                 [0, -size-100, 0],
+                 [100, -size-100, 0],
+                 [50, -size+100, 50],
+                 [0, 33000, 33000],
+                 [1000, 34000, 33000],
+                ];
+  
+  for (var i = 0; i < indexes.length; ++i) {
+    var sliceContents;
+    var testName;
+    if (indexes[i][0] == undefined) {
+      slice = file.slice();
+      sliceContents = contents.slice();
+      testName = fileType + " slice()";
+    }
+    else if (indexes[i][1] == undefined) {
+      slice = file.slice(indexes[i][0]);
+      sliceContents = contents.slice(indexes[i][0]);
+      testName = fileType + " slice(" + indexes[i][0] + ")";
+    }
+    else {
+      slice = file.slice(indexes[i][0], indexes[i][1]);
+      sliceContents = contents.slice(indexes[i][0], indexes[i][1]);
+      testName = fileType + " slice(" + indexes[i][0] + ", " + indexes[i][1] + ")";
+    }
+    is(slice.type, "", testName + " type");
+    is(slice.size, indexes[i][2], testName + " size");
+    is(sliceContents.length, indexes[i][2], testName + " data size");
+    testFile(slice, sliceContents, testName);
+  }
+
+  // Slice of slice
+  var slice = file.slice(0, 40000);
+  testFile(slice.slice(5000, 42000), contents.slice(5000, 40000), "file slice slice");
+  
+  // ...of slice of slice
+  slice = slice.slice(5000, 42000).slice(400, 700);
+  SpecialPowers.gc();
+  testFile(slice, contents.slice(5400, 5700), "file slice slice slice");
+}
+