1 files changed, 80 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/internal-string-values.exp b/gdb/testsuite/gdb.base/internal-string-values.exp
index 0748ab0..3380d9d 100644
--- a/gdb/testsuite/gdb.base/internal-string-values.exp
+++ b/gdb/testsuite/gdb.base/internal-string-values.exp
@@ -118,6 +118,86 @@ proc_with_prefix test_setting { } {
 	gdb_test_no_output {set $v = $_gdb_setting_str("remotetimeout")}
 	check_v_string "2"
     }
+
+    # Test string values made by $_gdb_setting & co. in all languages.
+    with_test_prefix "all langs" {
+	# Get list of supported languages.
+	set langs {}
+	gdb_test_multiple "complete set language " "" {
+	    -re "set language (\[^\r\n\]+)" {
+		lappend langs $expect_out(1,string)
+		exp_continue
+	    }
+	    -re "$::gdb_prompt $" {
+		pass $gdb_test_name
+	    }
+	}
+
+	proc quote {str} {
+	    upvar lang lang
+
+	    if {$lang == "fortran"} {
+		return "'$str'"
+	    } else {
+		return "\"$str\""
+	    }
+	}
+
+	gdb_test "maintenance set test-settings string foo"
+	foreach_with_prefix lang $langs {
+	    gdb_test_no_output "set language $lang"
+
+	    if {$lang == "modula-2"} {
+		gdb_test "print \"foo\"" "strings are not implemented"
+		continue
+	    }
+
+	    if {$lang == "rust"} {
+		gdb_test "print \"foo\"" \
+		    "evaluation of this expression requires the target program to be active"
+
+		# We could get the above working by starting the
+		# program, but how to make the below work?
+		gdb_test "print \$_gdb_maint_setting(\"test-settings string\")" \
+		    "',' or '\\)' expected"
+		continue
+	    }
+
+	    if {$lang == "unknown"} {
+		# Skipped because of PR gdb/28093 -- GDB would crash.
+		continue
+	    }
+
+	    set print_output ""
+	    set ptype_output ""
+
+	    set foo_str [quote foo]
+	    gdb_test_multiple "print $foo_str" "" {
+		-wrap -re " = (.*)" {
+		    set print_output $expect_out(1,string)
+		    pass $gdb_test_name
+		}
+	    }
+
+	    gdb_test_multiple "ptype $foo_str" "" {
+		-wrap -re " = (.*)" {
+		    set ptype_output $expect_out(1,string)
+		    pass $gdb_test_name
+		}
+	    }
+
+	    set cmd_str [quote "test-settings string"]
+	    set ptype_output_re [string_to_regexp $ptype_output]
+	    set print_output_re [string_to_regexp $print_output]
+
+	    foreach_with_prefix conv_func {$_gdb_maint_setting $_gdb_maint_setting_str} {
+		gdb_test "print ${conv_func}($cmd_str)" \
+		    " = $print_output_re"
+		gdb_test "ptype \$" \
+		    " = $ptype_output_re"
+	    }
+	}
+    }
 }
 
 # Test with a string value created by gdb.Value in Python.