Added regex unit tests

src/tests/CMakeLists.txt

@@ -1,6 +1,10 @@
 enable_testing()
 
-ADD_EXECUTABLE( unittests test_api.cpp test_utility.cpp  )
+ADD_EXECUTABLE( unittests 
+  test_api.cpp 
+  test_utility.cpp 
+  test_regex.cpp
+)
 
 TARGET_LINK_LIBRARIES(unittests
 

src/tests/test_regex.cpp

@@ -0,0 +1,108 @@
+#include <cstdlib>
+#include "utility.h"
+#include "catch.hpp"
+#include "postprocess/regexrule.h"
+
+using namespace std;
+using namespace cv;
+using namespace alpr;
+
+
+
+TEST_CASE( "ASCII tests", "[Regex]" ) {
+
+  RegexRule rule1("us", "@@@####");
+  
+  REQUIRE( rule1.match("123ABCD") == false);
+  REQUIRE( rule1.match("123ABC") == false);
+  REQUIRE( rule1.match("23ABCD") == false);
+  REQUIRE( rule1.match("ABC123") == false);
+  REQUIRE( rule1.match("BC1234") == false);
+  REQUIRE( rule1.match("ABC12345") == false);
+  REQUIRE( rule1.match("AABC1234") == false);
+  REQUIRE( rule1.match("ABCD234") == false);
+  REQUIRE( rule1.match("AB11234") == false);
+  REQUIRE( rule1.match("ABC-234") == false);
+  
+  REQUIRE( rule1.match("ABC1234") == true);
+  REQUIRE( rule1.match("AAA1111") == true);
+  REQUIRE( rule1.match("zzz1111") == true);
+  
+  RegexRule rule2("us", "[ABC]@@####");
+  
+  REQUIRE( rule2.match("ZBC1234") == false);
+  REQUIRE( rule2.match("DBC1234") == false);
+  REQUIRE( rule2.match("1BC1234") == false);
+  
+  REQUIRE( rule2.match("ABC1234") == true);
+  REQUIRE( rule2.match("BAA1111") == true);
+  REQUIRE( rule2.match("CAA1111") == true);
+  
+  RegexRule rule3("us", "[A]@@###[12]");
+  
+  REQUIRE( rule3.match("ZBC1234") == false);
+  REQUIRE( rule3.match("ZBC1231") == false);
+  REQUIRE( rule3.match("ABC1234") == false);
+  
+  REQUIRE( rule3.match("ABC1231") == true);
+  REQUIRE( rule3.match("ABC1232") == true);
+  
+  
+  RegexRule rule4("us", "[A-C][E-G]1111");
+  
+  REQUIRE( rule4.match("DG1111") == false);
+  REQUIRE( rule4.match("AD1111") == false);
+  REQUIRE( rule4.match("AF1112") == false);
+  
+  REQUIRE( rule4.match("AF1111") == true);
+  REQUIRE( rule4.match("BF1111") == true);
+  REQUIRE( rule4.match("CF1111") == true);
+  REQUIRE( rule4.match("BE1111") == true);
+  REQUIRE( rule4.match("BF1111") == true);
+  REQUIRE( rule4.match("BG1111") == true);
+  
+  RegexRule rule5("us", "\\d\\d\\D\\D");
+  REQUIRE( rule5.match("AA11") == false);
+  REQUIRE( rule5.match("11AA") == true);
+  
+}
+
+TEST_CASE( "Unicode tests", "[Regex]" ) {
+
+  RegexRule rule1("us", "@@@####");
+  
+  REQUIRE( rule1.match("123与与与下") == false);
+  REQUIRE( rule1.match("与万12345") == false);
+  REQUIRE( rule1.match("与万口口234") == false);
+  REQUIRE( rule1.match("与万口abcd") == false);
+  
+  REQUIRE( rule1.match("与万口1234") == true);
+  
+  RegexRule rule2("us", "[십팔]@@####");
+  
+  REQUIRE( rule2.match("123与与与下") == false);
+  REQUIRE( rule2.match("与万12345") == false);
+  REQUIRE( rule2.match("与万口口234") == false);
+  REQUIRE( rule2.match("与万口abcd") == false);
+  REQUIRE( rule2.match("与万口1234") == false);
+  REQUIRE( rule2.match("与팔십1234") == false);
+  
+  REQUIRE( rule2.match("십万口1234") == true);
+  REQUIRE( rule2.match("팔万口1234") == true);
+}
+
+
+TEST_CASE( "Invalid tests", "[Regex]" ) {
+  RegexRule rule1("us", "[A@@####");
+  
+  REQUIRE( rule1.match("123ABCD") == false);
+  REQUIRE( rule1.match("123ABC") == false);
+  REQUIRE( rule1.match("23ABCD") == false);
+  
+  REQUIRE( rule1.match("ABC1234") == false);
+  REQUIRE( rule1.match("AAA1111") == false);
+  REQUIRE( rule1.match("zzz1111") == false);
+  
+  RegexRule rule2("us", "A####]");
+  REQUIRE( rule2.match("A1234") == false);
+}