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-rw-r--r--dom/base/test/chrome/test_input_value_set_preserve_undo.xhtml37
1 files changed, 37 insertions, 0 deletions
diff --git a/dom/base/test/chrome/test_input_value_set_preserve_undo.xhtml b/dom/base/test/chrome/test_input_value_set_preserve_undo.xhtml
new file mode 100644
index 0000000000..80465202ab
--- /dev/null
+++ b/dom/base/test/chrome/test_input_value_set_preserve_undo.xhtml
@@ -0,0 +1,37 @@
+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
+<window title="Bug 1676785"
+ xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+ xmlns:html="http://www.w3.org/1999/xhtml"
+ xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
+<html:body>
+ <xul:hbox>
+ <html:input id="xul" />
+ </xul:hbox>
+ <html:div>
+ <html:input id="non-xul" />
+ </html:div>
+</html:body>
+<script class="testbody">
+SimpleTest.waitForExplicitFinish();
+
+function shouldPreserveHistory(input, preserve) {
+ input.focus();
+ input.value = "abc";
+ input.value = "def";
+ let ctrl = navigator.platform.indexOf("Mac") == 0 ? { metaKey: true } : { ctrlKey: true };
+ synthesizeKey("z", ctrl);
+ (preserve ? is : isnot)(input.value, "abc", `Expected ${input.id} to ${preserve ? "" : "not "}preserve undo history when setting .value`);
+}
+
+window.onload = function() {
+ shouldPreserveHistory(document.getElementById("xul"), true);
+ shouldPreserveHistory(document.getElementById("non-xul"), false);
+
+ SimpleTest.finish();
+}
+</script>
+</window>