[RFA]: Test for PR objc/1238

[Adam Fedor]

This is a new test focusing on PR objc/1238. Currently the last test
should fail.


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2003-11-13  Adam Fedor  <fedor@gnu.org>

	* gdb.objc/objcdecode.exp: New test for PR objc/1238
	* gdb.objc/objcdecode.m: New test program
	
Index: testsuite/gdb.objc/objcdecode.exp
===================================================================
RCS file: testsuite/gdb.objc/objcdecode.exp
diff -N testsuite/gdb.objc/objcdecode.exp
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ testsuite/gdb.objc/objcdecode.exp	13 Nov 2003 17:18:52 -0000
@@ -0,0 +1,77 @@
+# Copyright 2003 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# This file tests decoding of Objective-C symbols
+
+# This file was written by Adam Fedor (fedor@gnu.org)
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set testfile "objcdecode"
+set srcfile ${testfile}.m
+set binfile ${objdir}/${subdir}/${testfile}
+
+#
+# Objective-C program compilation isn't standard. We need to figure out
+# which libraries to link in. Most of the time it uses pthread
+#
+if {[gdb_compile_objc "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ]] != "" } {
+  return -1
+}
+
+proc do_objc_tests {} {
+    global prms_id
+    global bug_id
+    global subdir
+    global objdir
+    global srcdir
+    global binfile
+    global gdb_prompt
+
+    set prms_id 0
+    set bug_id 0
+
+    # Start with a fresh gdb.
+
+    gdb_exit
+    gdb_start
+    gdb_reinitialize_dir $srcdir/$subdir
+    gdb_load $binfile
+
+}
+
+do_objc_tests
+
+#
+# Break on multiply defined method (PR objc/1236)
+#
+set name "break on multiply defined method"
+send_gdb "break multipleDef\n"
+gdb_expect {
+    -re "\\\[0\\\] cancel.*\\\[1\\\] all.*\\\[2\\\] -.Decode multipleDef. at .*\\\[3\\\] multipleDef at .*" {
+	send_gdb "3\n"
+	exp_continue
+    }
+    -re "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file *" { pass $name }
+    -re ".*$gdb_prompt $"   { fail $name }
+    timeout                 { fail "$name (timeout)" }
+}
+
+gdb_test "run" \
+    "Starting program.*Breakpoint \[0-9\]+, multipleDef \\\(\\\) at .*" \
+    "continue after break on multiply defined symbol"
Index: testsuite/gdb.objc/objcdecode.m
===================================================================
RCS file: testsuite/gdb.objc/objcdecode.m
diff -N testsuite/gdb.objc/objcdecode.m
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ testsuite/gdb.objc/objcdecode.m	13 Nov 2003 17:18:52 -0000
@@ -0,0 +1,49 @@
+#include <objc/Object.h>
+
+@interface Decode: Object
+{
+}
+- multipleDef;
+- (const char *) myDescription;
+@end
+
+@implementation Decode
+
+- multipleDef
+{
+  printf("method multipleDef\n");
+  return self;
+}
+
+- (const char *) myDescription
+{
+  return "Decode gdb test object";
+}
+
+@end
+
+int
+multipleDef()
+{
+  printf("function multipleDef\n");
+  return 0;
+}
+
+int main (int argc, const char *argv[])
+{
+  id obj;
+  obj = [Decode new];
+  multipleDef();
+  [obj multipleDef];
+  return 0;
+}
+
+const char *_NSPrintForDebugger(id object)
+{
+  /* This is not really what _NSPrintForDebugger should do, but it
+     is a simple test if gdb can call this function */
+  if (object && [object respondsTo: @selector(myDescription)])
+    return [object myDescription];
+
+  return NULL;
+}