2000-12-07 Michael Snyder <msnyder@cleaver.cygnus.com>

        * gdb.base/finish.exp: New test for gdb's "finish" command.
        * gdb.base/return2.exp: New test for gdb's "return" command.
        * gdb.base/return2.c: New source file for above.

3 files changed, 327 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/finish.exp b/gdb/testsuite/gdb.base/finish.exp
new file mode 100644
index 0000000..c329fc4
--- /dev/null
+++ b/gdb/testsuite/gdb.base/finish.exp
@@ -0,0 +1,111 @@
+# Copyright (C) 2000 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.  
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Michael Snyder (msnyder@redhat.com)
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+# re-use the program from the "return2" test.
+set testfile "return2"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+proc finish_1 { type } {
+    global gdb_prompt
+
+    gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
+	    "set break on ${type}_func"
+    gdb_test "continue" "Breakpoint.* ${type}_func.*" \
+	    "continue to ${type}_func"
+    send_gdb "finish\n"
+    gdb_expect {
+	-re ".*Value returned is .* = 1 '.001'\r\n$gdb_prompt $" {
+	    if { $type == "char" } {
+		pass "finish from char_func"
+	    } else {
+		fail "finish from char_func"
+	    }
+	}
+	-re ".*Value returned is .* = 1\r\n$gdb_prompt $" {
+	    pass "finish from ${type}_func"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "finish from ${type}_func"
+	}
+	timeout {
+	    fail "finish from ${type}_func (timeout)"
+	}
+    }
+}
+
+proc finish_void { } {
+    global gdb_prompt
+
+    gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
+	    "set break on void_func"
+    gdb_test "continue" "Breakpoint.* void_func.*" \
+	    "continue to void_func"
+    send_gdb "finish\n"
+    gdb_expect {
+	-re ".*void_checkpoint.*$gdb_prompt $" {
+	    pass "finish from void_func"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "finish from void_func"
+	}
+	timeout {
+	    fail "finish from void_func (timeout)"
+	}
+    }
+}
+
+proc finish_tests { } {
+    global gdb_prompt
+
+    if { ! [ runto main ] } then {
+	gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
+    }
+
+    finish_void
+    finish_1 "char"
+    finish_1 "short"
+    finish_1 "int"
+    finish_1 "long"
+    finish_1 "long_long"
+    finish_1 "float"
+    finish_1 "double"
+}
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+set timeout 30
+finish_tests
diff --git a/gdb/testsuite/gdb.base/return2.c b/gdb/testsuite/gdb.base/return2.c
new file mode 100644
index 0000000..cddbb97
--- /dev/null
+++ b/gdb/testsuite/gdb.base/return2.c
@@ -0,0 +1,91 @@
+/* Test gdb's "return" command.  */
+
+int void_test = 0;
+int main_test = 0;
+
+char      char_returnval      = '1';
+short     short_returnval     = 1;
+int       int_returnval       = 1;
+long      long_returnval      = 1;
+long long long_long_returnval = 1;
+float     float_returnval     = 1;
+double    double_returnval    = 1;
+
+union {
+  char      char_testval;
+  short     short_testval;
+  int       int_testval;
+  long      long_testval;
+  long long long_long_testval;
+  float     float_testval;
+  double    double_testval;
+  char      ffff[80];
+} testval;
+
+void void_func ()
+{
+  void_test = 1;
+}
+
+char char_func ()
+{
+  return char_returnval;
+}
+
+short short_func ()
+{
+  return short_returnval;
+}
+
+int int_func ()
+{
+  return int_returnval;
+}
+
+long long_func ()
+{
+  return long_returnval;
+}
+
+long long long_long_func ()
+{
+  return long_long_returnval;
+}
+
+float float_func ()
+{
+  return float_returnval;
+}
+
+double double_func ()
+{
+  return double_returnval;
+}
+
+int main (int argc, char **argv)
+{
+  char char_resultval;
+  short short_resultval;
+  int int_resultval;
+  long long_resultval;
+  long long long_long_resultval;
+  float float_resultval;
+  double double_resultval;
+  int i;
+
+  /* A "test load" that will insure that the function really returns 
+     a ${type} (as opposed to just a truncated or part of a ${type}).  */
+  for (i = 0; i < sizeof (testval.ffff); i++)
+    testval.ffff[i] = 0xff;
+
+  void_func (); 				/* call to void_func */
+  char_resultval      = char_func ();		/* void_checkpoint */
+  short_resultval     = short_func ();		/* char_checkpoint */
+  int_resultval       = int_func ();		/* short_checkpoint */
+  long_resultval      = long_func ();		/* int_checkpoint */
+  long_long_resultval = long_long_func ();	/* long_checkpoint */
+  float_resultval     = float_func ();		/* long_long_checkpoint */
+  double_resultval    = double_func ();		/* float_checkpoint */
+  main_test = 1;				/* double_checkpoint */
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.base/return2.exp b/gdb/testsuite/gdb.base/return2.exp
new file mode 100644
index 0000000..6298ccb
--- /dev/null
+++ b/gdb/testsuite/gdb.base/return2.exp
@@ -0,0 +1,125 @@
+# Copyright (C) 2000 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.  
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Michael Snyder (msnyder@redhat.com)
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "return2"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+proc return_1 { type } {
+    global gdb_prompt
+
+    gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
+	    "set break on ${type}_func"
+    gdb_test "continue" "Breakpoint.* ${type}_func.*" \
+	    "continue to ${type}_func"
+    send_gdb "return testval.${type}_testval\n"
+    gdb_expect {
+	-re "Make ${type}_func return now.*y or n. $" {
+	    send_gdb "y\n"
+	    exp_continue
+	}
+	-re ".*${type}_resultval *= ${type}_func.*$gdb_prompt $" {
+	    send_gdb "step\n"
+	    exp_continue
+	}
+	-re ".*${type}_checkpoint.*$gdb_prompt $" {
+	    pass "return from ${type}_func"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "return from ${type}_func"
+	}
+	timeout {
+	    fail "return from ${type}_func (timeout)"
+	}
+    }
+    gdb_test "print ${type}_resultval == testval.${type}_testval" ".* = 1" \
+	    "${type} value returned successfully"
+    gdb_test "print ${type}_resultval != ${type}_returnval" ".* = 1" \
+	    "validate result value not equal to program return value"
+}
+
+proc return_void { } {
+    global gdb_prompt
+
+    gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
+	    "set break on void_func"
+    gdb_test "continue" "Breakpoint.* void_func.*" \
+	    "continue to void_func"
+    send_gdb "return \n"
+    gdb_expect {
+	-re "Make void_func return now.*y or n. $" {
+	    send_gdb "y\n"
+	    exp_continue
+	}
+	-re ".*void_func.*call to void_func.*$gdb_prompt $" {
+	    send_gdb "step\n"
+	    exp_continue
+	}
+	-re ".*void_checkpoint.*$gdb_prompt $" {
+	    pass "return from void_func"
+	}
+	-re ".*$gdb_prompt $" {
+	    fail "return from void_func"
+	}
+	timeout {
+	    fail "return from void_func (timeout)"
+	}
+    }
+    gdb_test "print void_test == 0" ".* = 1" \
+	    "void function returned successfully"
+}
+
+proc return2_tests { } {
+    global gdb_prompt
+
+    if { ! [ runto main ] } then {
+	gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
+    }
+
+    return_void
+    return_1 "char"
+    return_1 "short"
+    return_1 "int"
+    return_1 "long"
+    return_1 "long_long"
+    return_1 "float"
+    return_1 "double"
+}
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+set timeout 30
+return2_tests