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-rw-r--r--js/src/gdb/tests/test-JSString.py24
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/gdb/tests/test-JSString.py b/js/src/gdb/tests/test-JSString.py
new file mode 100644
index 0000000000..99cebc4ab5
--- /dev/null
+++ b/js/src/gdb/tests/test-JSString.py
@@ -0,0 +1,24 @@
+# Printing JSStrings.
+# flake8: noqa: F821
+
+assert_subprinter_registered("SpiderMonkey", "ptr-to-JSString")
+run_fragment("JSString.simple")
+
+assert_pretty("empty", '""')
+assert_pretty("x", '"x"')
+assert_pretty("z", '"z"')
+assert_pretty("xz", '"xz"')
+
+stars = gdb.parse_and_eval("stars")
+assert_eq(str(stars), "'*' <repeats 100 times>")
+
+doubleStars = gdb.parse_and_eval("doubleStars")
+assert_eq(str(doubleStars), "'*' <repeats 200 times>")
+
+assert_pretty("xRaw", '"x"')
+
+# JSAtom *
+
+run_fragment("JSString.atom")
+
+assert_pretty("molybdenum", '"molybdenum"')