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-rw-r--r--browser/base/content/test/general/browser_bug724239.js53
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diff --git a/browser/base/content/test/general/browser_bug724239.js b/browser/base/content/test/general/browser_bug724239.js
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+++ b/browser/base/content/test/general/browser_bug724239.js
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+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { TabStateFlusher } = ChromeUtils.importESModule(
+ "resource:///modules/sessionstore/TabStateFlusher.sys.mjs"
+);
+
+add_task(async function test_blank() {
+ await BrowserTestUtils.withNewTab(
+ { gBrowser, url: "about:blank" },
+ async function(browser) {
+ BrowserTestUtils.loadURI(browser, "http://example.com");
+ await BrowserTestUtils.browserLoaded(browser);
+ ok(!gBrowser.canGoBack, "about:blank wasn't added to session history");
+ }
+ );
+});
+
+add_task(async function test_newtab() {
+ await BrowserTestUtils.withNewTab(
+ { gBrowser, url: "about:blank" },
+ async function(browser) {
+ // Can't load it directly because that'll use a preloaded tab if present.
+ let stopped = BrowserTestUtils.browserStopped(browser, "about:newtab");
+ BrowserTestUtils.loadURI(browser, "about:newtab");
+ await stopped;
+
+ stopped = BrowserTestUtils.browserStopped(browser, "http://example.com/");
+ BrowserTestUtils.loadURI(browser, "http://example.com/");
+ await stopped;
+
+ // This makes sure the parent process has the most up-to-date notion
+ // of the tab's session history.
+ await TabStateFlusher.flush(browser);
+
+ let tab = gBrowser.getTabForBrowser(browser);
+ let tabState = JSON.parse(SessionStore.getTabState(tab));
+ Assert.equal(
+ tabState.entries.length,
+ 2,
+ "We should have 2 entries in the session history."
+ );
+
+ Assert.equal(
+ tabState.entries[0].url,
+ "about:newtab",
+ "about:newtab should be the first entry."
+ );
+
+ Assert.ok(gBrowser.canGoBack, "Should be able to browse back.");
+ }
+ );
+});