Testcase for gdb.Frame

[Thiago Jung Bauermann <bauerman at br dot ibm dot com>]

Hi,

This adds a testcase which smoke-tests the frame object. Committed.
-- 
[]'s
Thiago Jung Bauermann
IBM Linux Technology Center


2009-01-27  Thiago Jung Bauermann  <bauerman@br.ibm.com>

	* gdb.python/python-frame.c: New file.
	* gdb.python/python-frame.exp: New file.

diff --git a/gdb/testsuite/gdb.python/python-frame.c b/gdb/testsuite/gdb.python/python-frame.c
new file mode 100644
index 0000000..22eb9f2
--- /dev/null
+++ b/gdb/testsuite/gdb.python/python-frame.c
@@ -0,0 +1,14 @@
+int f2 (int a)
+{
+  return ++a;
+}
+
+int f1 (int a, int b)
+{
+  return f2(a) + b;
+}
+
+int main (int argc, char *argv[])
+{
+  return f1 (1, 2);
+}
diff --git a/gdb/testsuite/gdb.python/python-frame.exp b/gdb/testsuite/gdb.python/python-frame.exp
new file mode 100644
index 0000000..11fb24b
--- /dev/null
+++ b/gdb/testsuite/gdb.python/python-frame.exp
@@ -0,0 +1,81 @@
+# Copyright (C) 2009 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 3 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, see <http://www.gnu.org/licenses/>.
+
+# This file is part of the GDB testsuite.  It tests the mechanism
+# exposing values to Python.
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+set testfile "python-frame"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    untested "Couldn't compile ${srcfile}"
+    return -1
+}
+
+# Run a command in GDB, and report a failure if a Python exception is thrown.
+# If report_pass is true, report a pass if no exception is thrown.
+proc gdb_py_test_silent_cmd {cmd name report_pass} {
+  global gdb_prompt
+
+  gdb_test_multiple $cmd $name {
+      -re "Traceback.*$gdb_prompt $"  { fail $name }
+      -re "$gdb_prompt $"	      { if $report_pass { pass $name } }
+  }
+}
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+gdb_test_multiple "python print 'hello, world!'" "verify python support" {
+    -re "not supported.*$gdb_prompt $"	{
+      unsupported "python support is disabled"
+      return -1
+    }
+    -re "$gdb_prompt $"	{}
+}
+
+# The following tests require execution.
+
+if ![runto_main] then {
+    fail "Can't run to main"
+    return 0
+}
+
+gdb_breakpoint "f2"
+gdb_continue_to_breakpoint "breakpoint at f2"
+
+gdb_py_test_silent_cmd "python frames = gdb.frames ()" "get frames list" 1
+gdb_test "python print frames" "\\(<gdb.Frame object at 0x\[\[:xdigit:\]\]+>, <gdb.Frame object at 0x\[\[:xdigit:\]\]+>, <gdb.Frame object at 0x\[\[:xdigit:\]\]+>\\)" "verify frames list"
+gdb_py_test_silent_cmd "python f0 = frames\[0\]" "get first frame" 0
+gdb_py_test_silent_cmd "python f1 = frames\[1\]" "get second frame" 0
+
+gdb_test "python print 'result =', f0.equals (f1)" " = False" "test equals (false)"
+gdb_test "python print 'result =', f0.equals (f0)" " = True" "test equals (true)"
+gdb_test "python print 'result =', f0.is_valid ()" " = True" "test Frame.is_valid"
+gdb_test "python print 'result =', f0.name ()" " = f2" "test Frame.name"
+gdb_test "python print 'result =', f0.type () == gdb.NORMAL_FRAME" " = True" "test Frame.type"
+gdb_test "python print 'result =', f0.unwind_stop_reason () == gdb.FRAME_UNWIND_NO_REASON" " = True" "test Frame.type"
+gdb_test "python print 'result =', f0.pc ()" " = \[0-9\]+" "test Frame.pc"
+gdb_test "python print 'result =', f0.addr_in_block ()" " = \[0-9\]+" "test Frame.addr_in_block"
+gdb_test "python print 'result =', f0.older ().equals (f1)" " = True" "test Frame.older"
+gdb_test "python print 'result =', f1.newer ().equals (f0)" " = True" "test Frame.newer"