From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/gdb/tests/test-Root-null.py | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 js/src/gdb/tests/test-Root-null.py (limited to 'js/src/gdb/tests/test-Root-null.py') diff --git a/js/src/gdb/tests/test-Root-null.py b/js/src/gdb/tests/test-Root-null.py new file mode 100644 index 0000000000..839fa069c5 --- /dev/null +++ b/js/src/gdb/tests/test-Root-null.py @@ -0,0 +1,21 @@ +# Test printing roots that refer to NULL pointers. + +# Since mozilla.prettyprinters.Pointer declines to create pretty-printers +# for null pointers, GDB built-in printing code ends up handling them. But +# as of 2012-11, GDB suppresses printing pointers in replacement values: +# see: http://sourceware.org/ml/gdb/2012-11/msg00055.html +# +# Thus, if the pretty-printer for JS::Rooted simply returns the referent as +# a replacement value (which seems reasonable enough, if you want the +# pretty-printer to be completely transparent), and the referent is a null +# pointer, it prints as nothing at all. +# +# This test ensures that the JS::Rooted pretty-printer doesn't make that +# mistake. +# flake8: noqa: F821 + +gdb.execute("set print address on") + +run_fragment("Root.null") + +assert_pretty("null", "0x0") -- cgit v1.2.3