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-rw-r--r--dom/tests/browser/browser_navigate_replace_browsingcontext.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/dom/tests/browser/browser_navigate_replace_browsingcontext.js b/dom/tests/browser/browser_navigate_replace_browsingcontext.js
new file mode 100644
index 0000000000..05f96e96bf
--- /dev/null
+++ b/dom/tests/browser/browser_navigate_replace_browsingcontext.js
@@ -0,0 +1,23 @@
+add_task(async function parent_to_remote() {
+ await BrowserTestUtils.withNewTab("about:mozilla", async browser => {
+ let originalBC = browser.browsingContext;
+
+ BrowserTestUtils.startLoadingURIString(browser, "https://example.com/");
+ await BrowserTestUtils.browserLoaded(browser);
+ let newBC = browser.browsingContext;
+
+ isnot(originalBC.id, newBC.id, "Should have replaced the BrowsingContext");
+ });
+});
+
+add_task(async function remote_to_parent() {
+ await BrowserTestUtils.withNewTab("https://example.com/", async browser => {
+ let originalBC = browser.browsingContext;
+
+ BrowserTestUtils.startLoadingURIString(browser, "about:mozilla");
+ await BrowserTestUtils.browserLoaded(browser);
+ let newBC = browser.browsingContext;
+
+ isnot(originalBC.id, newBC.id, "Should have replaced the BrowsingContext");
+ });
+});