1 files changed, 159 insertions, 0 deletions
diff --git a/browser/base/content/test/browser_bug839103.js b/browser/base/content/test/browser_bug839103.js
new file mode 100644
index 000000000..2b777c00d
--- /dev/null
+++ b/browser/base/content/test/browser_bug839103.js
@@ -0,0 +1,159 @@
+const gTestRoot = getRootDirectory(gTestPath);
+const gStyleSheet = "bug839103.css";
+
+var gTab = null;
+var needsInitialApplicableStateEvent = false;
+var needsInitialApplicableStateEventFor = null;
+
+function test() {
+  waitForExplicitFinish();
+  gBrowser.addEventListener("StyleSheetAdded", initialStylesheetAdded, true);
+  gTab = gBrowser.selectedTab = gBrowser.addTab(gTestRoot + "test_bug839103.html");
+  gTab.linkedBrowser.addEventListener("load", tabLoad, true);
+}
+
+function initialStylesheetAdded(evt) {
+  gBrowser.removeEventListener("StyleSheetAdded", initialStylesheetAdded, true);
+  ok(true, "received initial style sheet event");
+  is(evt.type, "StyleSheetAdded", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  ok(evt.stylesheet, "evt.stylesheet is defined");
+  ok(evt.stylesheet.toString().contains("CSSStyleSheet"), "evt.stylesheet is a stylesheet");
+  ok(evt.documentSheet, "style sheet is a document sheet");
+}
+
+function tabLoad(evt) {
+  gTab.linkedBrowser.removeEventListener(evt.type, tabLoad, true);
+  executeSoon(continueTest);
+}
+
+var gLinkElement = null;
+
+function unexpectedContentEvent(evt) {
+  ok(false, "Received a " + evt.type + " event on content");
+}
+
+// We've seen the original stylesheet in the document.
+// Now add a stylesheet on the fly and make sure we see it.
+function continueTest() {
+  info("continuing test");
+
+  let doc = gBrowser.contentDocument;
+  doc.styleSheetChangeEventsEnabled = true;
+  doc.addEventListener("StyleSheetAdded", unexpectedContentEvent, false);
+  doc.addEventListener("StyleSheetRemoved", unexpectedContentEvent, false);
+  doc.addEventListener("StyleSheetApplicableStateChanged", unexpectedContentEvent, false);
+  doc.defaultView.addEventListener("StyleSheetAdded", unexpectedContentEvent, false);
+  doc.defaultView.addEventListener("StyleSheetRemoved", unexpectedContentEvent, false);
+  doc.defaultView.addEventListener("StyleSheetApplicableStateChanged", unexpectedContentEvent, false);
+  let link = doc.createElement('link');
+  link.setAttribute('rel', 'stylesheet');
+  link.setAttribute('type', 'text/css');
+  link.setAttribute('href', gTestRoot + gStyleSheet);
+  gLinkElement = link;
+
+  gBrowser.addEventListener("StyleSheetAdded", dynamicStylesheetAdded, true);
+  gBrowser.addEventListener("StyleSheetApplicableStateChanged", dynamicStylesheetApplicableStateChanged, true);
+  doc.body.appendChild(link);
+}
+
+function dynamicStylesheetAdded(evt) {
+  gBrowser.removeEventListener("StyleSheetAdded", dynamicStylesheetAdded, true);
+  ok(true, "received dynamic style sheet event");
+  is(evt.type, "StyleSheetAdded", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  ok(evt.stylesheet, "evt.stylesheet is defined");
+  ok(evt.stylesheet.toString().contains("CSSStyleSheet"), "evt.stylesheet is a stylesheet");
+  ok(evt.documentSheet, "style sheet is a document sheet");
+}
+
+function dynamicStylesheetApplicableStateChanged(evt) {
+  gBrowser.removeEventListener("StyleSheetApplicableStateChanged", dynamicStylesheetApplicableStateChanged, true);
+  ok(true, "received dynamic style sheet applicable state change event");
+  is(evt.type, "StyleSheetApplicableStateChanged", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  is(evt.stylesheet, gLinkElement.sheet, "evt.stylesheet has the right value");
+  is(evt.applicable, true, "evt.applicable has the right value");
+
+  gBrowser.addEventListener("StyleSheetApplicableStateChanged", dynamicStylesheetApplicableStateChangedToFalse, true);
+  gLinkElement.disabled = true;
+}
+
+function dynamicStylesheetApplicableStateChangedToFalse(evt) {
+  gBrowser.removeEventListener("StyleSheetApplicableStateChanged", dynamicStylesheetApplicableStateChangedToFalse, true);
+  is(evt.type, "StyleSheetApplicableStateChanged", "evt.type has expected value");
+  ok(true, "received dynamic style sheet applicable state change event after media=\"\" changed");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  is(evt.stylesheet, gLinkElement.sheet, "evt.stylesheet has the right value");
+  is(evt.applicable, false, "evt.applicable has the right value");
+
+  gBrowser.addEventListener("StyleSheetRemoved", dynamicStylesheetRemoved, true);
+  gBrowser.contentDocument.body.removeChild(gLinkElement);
+}
+
+function dynamicStylesheetRemoved(evt) {
+  gBrowser.removeEventListener("StyleSheetRemoved", dynamicStylesheetRemoved, true);
+  ok(true, "received dynamic style sheet removal");
+  is(evt.type, "StyleSheetRemoved", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  ok(evt.stylesheet, "evt.stylesheet is defined");
+  ok(evt.stylesheet.toString().contains("CSSStyleSheet"), "evt.stylesheet is a stylesheet");
+  ok(evt.stylesheet.href.contains(gStyleSheet), "evt.stylesheet is the removed stylesheet");
+
+  gBrowser.addEventListener("StyleRuleAdded", styleRuleAdded, true);
+  gBrowser.contentDocument.querySelector("style").sheet.insertRule("*{color:black}", 0);
+}
+
+function styleRuleAdded(evt) {
+  gBrowser.removeEventListener("StyleRuleAdded", styleRuleAdded, true);
+  ok(true, "received style rule added event");
+  is(evt.type, "StyleRuleAdded", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  ok(evt.stylesheet, "evt.stylesheet is defined");
+  ok(evt.stylesheet.toString().contains("CSSStyleSheet"), "evt.stylesheet is a stylesheet");
+  ok(evt.rule, "evt.rule is defined");
+  is(evt.rule.cssText, "* { color: black; }", "evt.rule.cssText has expected value");
+
+  gBrowser.addEventListener("StyleRuleChanged", styleRuleChanged, true);
+  evt.rule.style.cssText = "color:green";
+}
+
+function styleRuleChanged(evt) {
+  gBrowser.removeEventListener("StyleRuleChanged", styleRuleChanged, true);
+  ok(true, "received style rule changed event");
+  is(evt.type, "StyleRuleChanged", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  ok(evt.stylesheet, "evt.stylesheet is defined");
+  ok(evt.stylesheet.toString().contains("CSSStyleSheet"), "evt.stylesheet is a stylesheet");
+  ok(evt.rule, "evt.rule is defined");
+  is(evt.rule.cssText, "* { color: green; }", "evt.rule.cssText has expected value");
+
+  gBrowser.addEventListener("StyleRuleRemoved", styleRuleRemoved, true);
+  evt.stylesheet.deleteRule(0);
+}
+
+function styleRuleRemoved(evt) {
+  gBrowser.removeEventListener("StyleRuleRemoved", styleRuleRemoved, true);
+  ok(true, "received style rule removed event");
+  is(evt.type, "StyleRuleRemoved", "evt.type has expected value");
+  is(evt.target, gBrowser.contentDocument, "event targets correct document");
+  ok(evt.stylesheet, "evt.stylesheet is defined");
+  ok(evt.stylesheet.toString().contains("CSSStyleSheet"), "evt.stylesheet is a stylesheet");
+  ok(evt.rule, "evt.rule is defined");
+
+  executeSoon(concludeTest);
+}
+
+function concludeTest() {
+  let doc = gBrowser.contentDocument;
+  doc.removeEventListener("StyleSheetAdded", unexpectedContentEvent, false);
+  doc.removeEventListener("StyleSheetRemoved", unexpectedContentEvent, false);
+  doc.removeEventListener("StyleSheetApplicableStateChanged", unexpectedContentEvent, false);
+  doc.defaultView.removeEventListener("StyleSheetAdded", unexpectedContentEvent, false);
+  doc.defaultView.removeEventListener("StyleSheetRemoved", unexpectedContentEvent, false);
+  doc.defaultView.removeEventListener("StyleSheetApplicableStateChanged", unexpectedContentEvent, false);
+  gBrowser.removeCurrentTab();
+  gLinkElement = null;
+  gTab = null;
+  finish();
+}