citrun

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' );