-# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 2000,
-# 2001, 2003, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+# Copyright 1988-2020 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
# This file was written by Rob Savoye. (rob@cygnus.com)
-if $tracelevel {
- strace $tracelevel
-}
-
#
# test running programs
#
-set testfile "exprs"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
+standard_testfile .c
+
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- untested exprs.exp
+ untested "failed to compile"
return -1
}
-if [get_compiler_info ${binfile}] {
- return -1;
+if [get_compiler_info] {
+ return -1
}
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
+clean_restart ${binfile}
#
# set it up at a breakpoint so we can play with the variable values
if { [llength $args] % 2 } {
warning "an even # of arguments should be passed to test_expr"
}
- set last_ent [expr [llength $args] - 1];
- set testname [lindex $args $last_ent];
- if [gdb_test [lindex $args 0] "" "$testname (setup)"] {
- gdb_suppress_tests;
+ set last_ent [expr [llength $args] - 1]
+ set testname [lindex $args $last_ent]
+ if [gdb_test [lindex $args 0] ".*" "$testname (setup)"] {
+ gdb_suppress_tests
}
for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
- gdb_suppress_tests;
+ gdb_suppress_tests
}
}
- gdb_stop_suppressing_tests;
+ gdb_stop_suppressing_tests
}
#
# test expressions with "char" types
# Test expressions with casts to a pointer.
# NB: Some architectures convert a ``NULL'' pointer into
# something else. Don't simply test for 0.
-#
+# Prevent symbol on address 0x0 being printed.
+gdb_test_no_output "set print symbol off"
+
test_expr "set variable v_signed_char = 0" "print (void*)v_signed_char" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_char"
test_expr "set variable v_signed_short = 0" "print (void*)v_signed_short" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_short"
test_expr "set variable v_signed_int = 0" "print (void*)v_signed_int" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_int"
# sizeof(long long) and sizeof(void*) are
# the same size so this test can not work.
#
-send_gdb "print sizeof (long long) > sizeof (long)\n"
-gdb_expect {
+gdb_test_multiple "print sizeof (long long) > sizeof (long)" \
+ "sizeof long long > sizeof long" {
-re "\\$\[0-9\]* = $true.*$gdb_prompt" {
set ok 1
pass "sizeof (long long) > sizeof (long) (true)"
set ok 0
pass "sizeof (long long) > sizeof (long) (false)"
}
- timeout {
- set ok 0
- fail "sizeof (long long) > sizeof (long) (timeout)"
- }
}
if [expr ! $ok] { setup_xfail "*-*-*" }
gdb_test "print (void*) ((long long) (unsigned long) -1 + 1)" \
# Enum formatting tests.
test_expr "print red" "\\$\[0-9\]* = red"
-gdb_test "set output-radix 8" ""
+gdb_test "set output-radix 8" ".*"
test_expr "print red" "\\$\[0-9\]* = red"
test_expr "print/d red" "\\$\[0-9\]* = 0"
-gdb_test "set output-radix 10" ""
+gdb_test "set output-radix 10" ".*"
+
+# Pre-/post in-/decrement tests.
+gdb_test "set variable v_int = 1" ""
+gdb_test "print v_int++" "\\$\[0-9\]* = 1"
+gdb_test "print ++v_int" "\\$\[0-9\]* = 3"
+gdb_test "print v_int--" "\\$\[0-9\]* = 3"
+gdb_test "print --v_int" "\\$\[0-9\]* = 1"
+gdb_test "print v_int++ = 5" "Left operand of assignment is not an lvalue."
+gdb_test "print v_int-- = 5" "Left operand of assignment is not an lvalue."
+
+# initialized array
+gdb_test {print v_int_array_init} { = \{10, 20\}}
+gdb_test {print *v_int_array_init@1} { = \{10\}}
+gdb_test {print *v_int_array_init@2} { = \{10, 20\}}
+gdb_test {print v_int_array_init[0]@1} { = \{10\}}
+gdb_test {print v_int_array_init[0]@2} { = \{10, 20\}}
+gdb_test {print v_int_array_init[1]@1} { = \{20\}}
+
+# gdb's {} extension
+gdb_test_no_output "set variable v_short_array\[0\] = 42"
+gdb_test "print {short} v_short_array" "$decimal = 42"
+
+# Regression tests for cast to void.
+gdb_test "print (void) v_int_pointer" " = void"
+gdb_test "print & (void) v_char" "value not located in memory."
+
+# Regression test for "&&".
+gdb_test "print null_t_struct && null_t_struct->v_int_member == 0" \
+ " = 0"