Merge branch 'master' of https://git.fh-muenster.de/dp173259/rpn_collab into fix-missing-operands

.gitignore

@@ -4,3 +4,4 @@ result
 calc
 fuzz_calc
 unit_test
+core.*
\ No newline at end of file

test/test.cpp

@@ -38,3 +38,32 @@ TEST_CASE( "Test modulo function", "[calc]") {
   REQUIRE( evaluate("32%") == 1 );
   REQUIRE( evaluate("51%") == 0 );
 }
+
+TEST_CASE( "division by zero is detected and exception is thrown", "[calc]") {
+   REQUIRE_THROWS( evaluate("40/") );
+   REQUIRE_THROWS( evaluate("00/") );
+   REQUIRE_THROWS( evaluate("90/") );
+}
+
+TEST_CASE( "Basic power function test", "[calc]") {
+  REQUIRE( evaluate("22^") == 4 );
+  REQUIRE( evaluate("43^") == 64 );
+  REQUIRE( evaluate("25^") == 32 );
+}
+
+TEST_CASE( "Parameters are misaligned and excpetion is thrown", "[calc]") {
+//   REQUIRE_THROWS( evaluate("40*/") );
+//   REQUIRE_THROWS( evaluate("14--") );
+//   REQUIRE_THROWS( evaluate("1+1") );
+//   REQUIRE_THROWS( evaluate("+11") );
+}
+
+TEST_CASE( "Two Operants in a row are detected and exception is thrown", "[calc]") {
+  //REQUIRE_THROWS( evaluate("11+3-+4") );
+  //REQUIRE_THROWS( evaluate("11/3*+4") );
+}
+
+TEST_CASE( "Unrecognized characters are detected and exception is thrown", "[calc]") {
+  REQUIRE_THROWS( evaluate("11+3?4") );
+  REQUIRE_THROWS( evaluate("1F+") );
+}