inst_return.t (1599B)
1 # 2 # Check that return statement values (if any) are instrumented correctly. 3 # 4 use Modern::Perl; 5 use Test::Cmd; 6 use Test::Differences; 7 use Test::More tests => 4; 8 9 use lib 't'; 10 require utils; 11 12 13 my $inst = Test::Cmd->new( prog => 'inst/citrun_inst', workdir => '' ); 14 $inst->write( 'return.c', <<EOF ); 15 int foo() { 16 return 0; 17 } 18 19 int main(void) { 20 return 10; 21 22 return 10 + 10; 23 24 return foo(); 25 } 26 EOF 27 28 # Known good output. 29 my $inst_good = <<EOF ; 30 int foo() {++_citrun.data[0]; 31 return (++_citrun.data[1], 0); 32 } 33 34 int main(void) {++_citrun.data[4]; 35 return (++_citrun.data[5], 10); 36 37 return (++_citrun.data[7], (++_citrun.data[7], 10 + 10)); 38 39 return (++_citrun.data[9], (++_citrun.data[9], foo())); 40 } 41 EOF 42 43 my $check_good = <<EOF; 44 >> citrun_inst 45 Compilers path = '' 46 Found source file '' 47 Command line is '' 48 Added clangtool argument '' 49 Instrumentation of '' finished: 50 12 Lines of source code 51 2 Function definitions 52 4 Return statement values 53 1 Call expressions 54 14 Total statements 55 1 Binary operators 56 Modified source written successfully. 57 EOF 58 59 # Run the command. 60 $inst->run( args => '-c return.c', chdir => $inst->curdir ); 61 62 # This file should have been rewritten in place. 63 my $inst_out; 64 $inst->read(\$inst_out, 'return.c'); 65 66 # Sanitize paths from stdout. 67 my $check_out = utils::clean_citrun_log(scalar $inst->stdout); 68 69 eq_or_diff( $inst_out, $inst_good, 'inst file identical', { context => 3 } ); 70 eq_or_diff( $check_out, $check_good, 'citrun_inst output identical', 71 { context => 3 } ); 72 is( $inst->stderr, '', 'citrun_inst stderr silent' ); 73 is( $? >> 8, 0, 'citrun_inst exit code 0' );