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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/xpconnect/tests/unit/test_SubscriptLoaderEnvironment.js
parentInitial commit. (diff)
downloadfirefox-upstream/124.0.1.tar.xz
firefox-upstream/124.0.1.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/xpconnect/tests/unit/test_SubscriptLoaderEnvironment.js')
-rw-r--r--js/xpconnect/tests/unit/test_SubscriptLoaderEnvironment.js38
1 files changed, 38 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_SubscriptLoaderEnvironment.js b/js/xpconnect/tests/unit/test_SubscriptLoaderEnvironment.js
new file mode 100644
index 0000000000..c0a5cf202c
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_SubscriptLoaderEnvironment.js
@@ -0,0 +1,38 @@
+let tgt = {};
+
+Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
+
+registerCleanupFunction(() => {
+ Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
+});
+
+Services.scriptloader.loadSubScript("resource://test/environment_script.js", tgt);
+
+var bound = "";
+var tgt_bound = "";
+
+// Check global bindings
+try { void vu; bound += "vu,"; } catch (e) {}
+try { void vq; bound += "vq,"; } catch (e) {}
+try { void vl; bound += "vl,"; } catch (e) {}
+try { void gt; bound += "gt,"; } catch (e) {}
+try { void ed; bound += "ed,"; } catch (e) {}
+try { void ei; bound += "ei,"; } catch (e) {}
+try { void fo; bound += "fo,"; } catch (e) {}
+try { void fi; bound += "fi,"; } catch (e) {}
+try { void fd; bound += "fd,"; } catch (e) {}
+
+// Check target bindings
+for (var name of ["vu", "vq", "vl", "gt", "ed", "ei", "fo", "fi", "fd"])
+ if (tgt.hasOwnProperty(name))
+ tgt_bound += name + ",";
+
+
+// Expected subscript loader behavior is as follows:
+// - Qualified vars and |this| access occur on target object
+// - Lexical vars occur on ExtensibleLexicalEnvironment of target object
+// - Bareword assignments and global |this| access occur on caller's global
+if (bound != "vu,ei,fo,fi,")
+ throw new Error("Unexpected global binding set - " + bound);
+if (tgt_bound != "vq,gt,ed,fd,")
+ throw new Error("Unexpected target binding set - " + tgt_bound);