Add unit test for sanitizeLatexOption()

This is a prerequisite for safe removal of regex::match_partial.

src/Makefile.am

@@ -681,8 +681,12 @@ endif
 ############################## Tests ##################################
 
 EXTRA_DIST += \
+	tests/test_ExternalTransforms \
+	tests/regfiles/ExternalTransforms \
 	tests/test_layout
 
+TESTS = tests/test_ExternalTransforms
+
 alltests: check alltests-recursive
 
 alltests-recursive: check_layout
@@ -698,6 +702,7 @@ updatetests:
 	cd tex2lyx; $(MAKE) updatetests
 
 check_PROGRAMS = \
+	check_ExternalTransforms \
 	check_layout
 
 if INSTALL_MACOSX
@@ -724,4 +729,16 @@ check_layout_SOURCES = \
 	tests/boost.cpp \
 	tests/dummy_functions.cpp
 
+check_ExternalTransforms_CPPFLAGS = $(AM_CPPFLAGS)
+check_ExternalTransforms_LDADD = support/liblyxsupport.a $(LIBICONV) $(BOOST_LIBS) @LIBS@ $(QT_CORE_LIBS) $(LIBSHLWAPI)
+check_ExternalTransforms_LDFLAGS = $(QT_CORE_LDFLAGS) $(ADD_FRAMEWORKS)
+check_ExternalTransforms_SOURCES = \
+	graphics/GraphicsParams.cpp \
+	insets/ExternalTransforms.cpp \
+	Length.cpp \
+	lengthcommon.cpp \
+	tests/check_ExternalTransforms.cpp \
+	tests/boost.cpp \
+	tests/dummy_functions.cpp
+
 .PHONY: alltests alltests-recursive updatetests

src/tests/check_ExternalTransforms.cpp

@@ -0,0 +1,37 @@
+#include <config.h>
+
+#include "../insets/ExternalTransforms.h"
+#include "../support/debug.h"
+
+#include <iostream>
+
+
+using namespace lyx;
+using namespace std;
+
+
+void test_sanitizeLatexOption()
+{
+	using external::sanitizeLatexOption;
+	cout << sanitizeLatexOption("[]") << endl;
+	cout << sanitizeLatexOption("[,]") << endl;
+	cout << sanitizeLatexOption("[,,]") << endl;
+	cout << sanitizeLatexOption("[,,,]") << endl;
+	cout << sanitizeLatexOption("[a]") << endl;
+	cout << sanitizeLatexOption("[,a]") << endl;
+	cout << sanitizeLatexOption("[,,a]") << endl;
+	cout << sanitizeLatexOption("[,,,a]") << endl;
+	cout << sanitizeLatexOption("[a,b]") << endl;
+	cout << sanitizeLatexOption("[a,,b]") << endl;
+	cout << sanitizeLatexOption("[a,,,b]") << endl;
+	cout << sanitizeLatexOption("[a,]") << endl;
+	cout << sanitizeLatexOption("[a,,]") << endl;
+	cout << sanitizeLatexOption("[a,,,]") << endl;
+}
+
+
+int main(int, char **)
+{
+	lyx::lyxerr.setStream(cerr);
+	test_sanitizeLatexOption();
+}

src/tests/regfiles/ExternalTransforms

@@ -0,0 +1,14 @@
+
+
+
+
+[a]
+[a]
+[a]
+[a]
+[a,b]
+[a,b]
+[a,b]
+[a]
+[a]
+[a]

src/tests/test_ExternalTransforms

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+regfile=`cat ${srcdir}/tests/regfiles/ExternalTransforms`
+output=`./check_ExternalTransforms`
+
+test "$regfile" = "$output"
+exit $?