1 files changed, 61 insertions, 0 deletions
diff --git a/dom/canvas/test/test_mozGetAsFile.html b/dom/canvas/test/test_mozGetAsFile.html
new file mode 100644
index 0000000000..50f6c647b8
--- /dev/null
+++ b/dom/canvas/test/test_mozGetAsFile.html
@@ -0,0 +1,61 @@
+<!DOCTYPE HTML>
+<title>Canvas test: mozGetAsFile</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+<body>
+<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<script>
+
+function compareAsync(file, canvas, type, callback)
+{
+  var reader = new FileReader();
+  reader.onload = 
+    function(e) {
+      is(e.target.result, canvas.toDataURL(type),
+ "<canvas>.mozGetAsFile().getAsDataURL() should equal <canvas>.toDataURL()");
+      callback(canvas);
+    };
+  reader.readAsDataURL(file);
+}
+
+function test1(canvas)
+{
+  var pngfile = canvas.mozGetAsFile("foo.png");
+  is(pngfile.type, "image/png", "Default type for mozGetAsFile should be PNG");
+  compareAsync(pngfile, canvas, "image/png", test2);
+  is(pngfile.name, "foo.png", "File name should be what we passed in");
+}
+
+function test2(canvas)
+{
+  var jpegfile = canvas.mozGetAsFile("bar.jpg", "image/jpeg");
+  is(jpegfile.type, "image/jpeg",
+     "When a valid type is specified that should be returned");
+  compareAsync(jpegfile, canvas, "image/jpeg", parent.SimpleTest.finish);
+  is(jpegfile.name, "bar.jpg", "File name should be what we passed in");
+}
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(async function () {
+  if (location.search == "?framed") {
+    is = parent.is;
+
+    var canvas = document.getElementById('c');
+    var ctx = canvas.getContext('2d');
+    ctx.drawImage(document.getElementById('yellow75.png'), 0, 0);
+
+    test1(canvas);
+  } else {
+    await SpecialPowers.pushPrefEnv({
+      set: [
+        ["canvas.mozgetasfile.enabled", true],
+      ],
+    });
+    let iframe = document.querySelector("iframe");
+    iframe.src = "test_mozGetAsFile.html?framed";
+  }
+});
+</script>
+<img src="image_yellow75.png" id="yellow75.png" class="resource">
+<iframe></iframe>
+