1# Copyright 1992-2023 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This file was written by Fred Fish. (fnf@cygnus.com) 17 18if { [skip_cplus_tests] } { continue } 19 20standard_testfile .cc 21 22if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { 23 return -1 24} 25 26# 27# Deduce language of main() 28# 29 30proc deduce_language_of_main {} { 31 global gdb_prompt 32 33 # See what language gdb thinks main() is, prior to reading full symbols. 34 # I think this fails for COFF targets. 35 gdb_test "show language" \ 36 "source language is \"auto; currently c\[+\]+\".*" \ 37 "deduced language is C++, before full symbols" 38 39 runto_main 40 41 # See if our idea of the language has changed. 42 43 gdb_test "show language" \ 44 "source language is \"auto; currently c\[+\]+\".*" \ 45 "deduced language is C++, after full symbols" 46} 47 48proc test_expr { args } { 49 if { [llength $args] % 2 } { 50 warning "an even # of arguments should be passed to test_expr" 51 } 52 set last_ent [expr [llength $args] - 1] 53 set testname [lindex $args $last_ent] 54 gdb_test_no_output [lindex $args 0] "$testname (setup)" 55 56 for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} { 57 gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])" 58 } 59} 60 61proc do_tests {} { 62 deduce_language_of_main 63 # Check for fixes for PRs 8916 and 8630 64 gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)" 65} 66 67do_tests 68 69test_expr "set language c++" \ 70 "print 1 == 1" "print.*\\$\[0-9\]* = true" \ 71 "print 1 == 2" "print.*\\$\[0-9\]* = false" \ 72 "print as bool" 73 74# Test bool type printing, etc. 75# Note: Language is already set to C++ above! 76gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var" 77 78# set a bool variable 79test_expr "set variable v_bool = true" \ 80 "print v_bool" "\\$\[0-9\]* = true" \ 81 "set a bool var" 82 83# next print an array of bool 84gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array" 85 86# set elements of a bool array 87test_expr "set variable v_bool_array\[1\] = true" \ 88 "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \ 89 "set a bool array elem" 90 91# bool constants 92gdb_test "print true" "\\$\[0-9\]* = true" 93gdb_test "print false" "\\$\[0-9\]* = false" 94 95# arithmetic conversions 96gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true" 97gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false" 98gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3" 99gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4" 100gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43" 101gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0" 102gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93" 103gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0" 104gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true" 105gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false" 106 107gdb_test "print 'misc.cc'::v_bool" " = true" \ 108 "expression using block qualifier" 109 110# pointer arithmetic 111gdb_test "print *(v_bool_array + number_ref)" "\\$\[0-9\]* = false" \ 112 "pointer addition with integer reference" 113gdb_test "print *(number_ref + v_bool_array)" "\\$\[0-9\]* = false" \ 114 "integer reference addition with pointer" 115gdb_test "print *(v_bool_array - number_ref)" "\\$\[0-9\]* = false" \ 116 "pointer subtraction with integer reference" 117