commit fce14231ccf978a3250c8f71eeb87368358671a5
parent dd940128dabcdb567ca930be787cf47a8b7c84f8
Author: Kyle Milz <kyle@0x30.net>
Date: Sat, 31 Dec 2016 12:03:23 -0700
t: convert inst_if.sh to perl
Diffstat:
D | t/inst_if.sh | | | 58 | ---------------------------------------------------------- |
A | t/inst_if.t | | | 76 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
2 files changed, 76 insertions(+), 58 deletions(-)
diff --git a/t/inst_if.sh b/t/inst_if.sh
@@ -1,58 +0,0 @@
-#!/bin/sh -u
-#
-# Check that if statement conditions are instrumented properly.
-#
-. t/utils.subr
-plan 5
-
-
-cat <<EOF > if.c
-int main(int argc, char *argv[]) {
- if (argc == 1)
- return 1;
- else
- return(14);
-
- if ((argc = 2))
- return 5;
- else
- return(0);
-}
-EOF
-
-cat <<EOF > if.c.inst_good
-int main(int argc, char *argv[]) {++_citrun.data[0];
- if ((++_citrun.data[1], (++_citrun.data[1], argc == 1)))
- return (++_citrun.data[2], 1);
- else
- return(++_citrun.data[4], (14));
-
- if ((++_citrun.data[6], ((++_citrun.data[6], argc = 2))))
- return (++_citrun.data[7], 5);
- else
- return(++_citrun.data[9], (0));
-}
-EOF
-
-cat <<EOF > check.good
-Summary:
- 1 Source files used as input
- 1 Rewrite successes
-
-Totals:
- 12 Lines of source code
- 1 Function definitions
- 2 If statements
- 4 Return statement values
- 21 Total statements
- 2 Binary operators
-EOF
-
-ok "running citrun_inst" citrun_inst -c if.c
-ok "running citrun_check" citrun_check -o check.out
-
-strip_preamble if.c
-strip_millis check.out
-
-ok "known good instrumented diff" diff -u if.c.inst_good if.c.citrun_nohdr
-ok "citrun_check diff" diff -u check.good check.out
diff --git a/t/inst_if.t b/t/inst_if.t
@@ -0,0 +1,76 @@
+#
+# Check that if statement conditions are instrumented properly.
+#
+use strict;
+use warnings;
+use Test::Cmd;
+use Test::Differences;
+use Test::More tests => 4;
+unified_diff; # for Test::Differences
+
+
+my $inst = Test::Cmd->new( prog => 'src/citrun_inst', workdir => '' );
+$inst->write( 'if.c', <<EOF );
+int main(int argc, char *argv[]) {
+ if (argc == 1)
+ return 1;
+ else
+ return(14);
+
+ if ((argc = 2))
+ return 5;
+ else
+ return(0);
+}
+EOF
+
+# Known good output.
+my $inst_good = <<EOF ;
+int main(int argc, char *argv[]) {++_citrun.data[0];
+ if ((++_citrun.data[1], (++_citrun.data[1], argc == 1)))
+ return (++_citrun.data[2], 1);
+ else
+ return(++_citrun.data[4], (14));
+
+ if ((++_citrun.data[6], ((++_citrun.data[6], argc = 2))))
+ return (++_citrun.data[7], 5);
+ else
+ return(++_citrun.data[9], (0));
+}
+EOF
+
+my $check_good = <<EOF;
+>> citrun_inst v0.0 ()
+CITRUN_SHARE = ''
+Switching argv[0] ''
+Found source file ''
+Modified command line is ''
+Added clangtool argument ''
+Instrumentation of '' finished:
+ 12 Lines of source code
+ 1 Function definitions
+ 2 If statements
+ 4 Return statement values
+ 21 Total statements
+ 2 Binary operators
+Modified source written successfully.
+Rewriting successful.
+EOF
+
+# Run the command.
+$inst->run( args => '-c if.c', chdir => $inst->curdir );
+
+# This file should have been rewritten in place.
+my $inst_out;
+$inst->read(\$inst_out, 'if.c');
+
+# Sanitize paths from stdout.
+my $check_out = $inst->stdout;
+$check_out =~ s/^.*Milliseconds spent.*\n//gm;
+$check_out =~ s/'.*'/''/gm;
+$check_out =~ s/\(.*\)/\(\)/gm;
+
+eq_or_diff( $inst_out, $inst_good, 'is instrumented file identical', { context => 3 } );
+eq_or_diff $check_good, $check_out, 'is citrun_inst output identical';
+is( $inst->stderr, '', 'is citrun_inst stderr silent' );
+is( $? >> 8, 0, 'is citrun_inst exit code 0' );