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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Array/length-set-object.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Array/length-set-object.js')
-rw-r--r--js/src/tests/non262/Array/length-set-object.js68
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/length-set-object.js b/js/src/tests/non262/Array/length-set-object.js
new file mode 100644
index 0000000000..bf80b592ea
--- /dev/null
+++ b/js/src/tests/non262/Array/length-set-object.js
@@ -0,0 +1,68 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ * Jeff Walden <jwalden+code@mit.edu>
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 657298;
+var summary = 'Various quirks of setting array length properties to objects';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function invokeConversionTwice1()
+{
+ var count = 0;
+ [].length = { valueOf: function() { count++; return 1; } };
+ assertEq(count, 2);
+}
+invokeConversionTwice1();
+
+function invokeConversionTwice2()
+{
+ var count = 0;
+ [].length = { toString: function() { count++; return 1; }, valueOf: null };
+ assertEq(count, 2);
+}
+invokeConversionTwice2();
+
+function dontOverwriteError1()
+{
+ try
+ {
+ [].length = { valueOf: {}, toString: {} };
+ throw new Error("didn't throw a TypeError");
+ }
+ catch (e)
+ {
+ assertEq(e instanceof TypeError, true,
+ "expected a TypeError running out of conversion options, got " + e);
+ }
+}
+dontOverwriteError1();
+
+function dontOverwriteError2()
+{
+ try
+ {
+ [].length = { valueOf: function() { throw "error"; } };
+ throw new Error("didn't throw a TypeError");
+ }
+ catch (e)
+ {
+ assertEq(e, "error", "expected 'error' from failed conversion, got " + e);
+ }
+}
+dontOverwriteError2();
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("All tests passed!");