Merge branch 'fix-missing-operands' into 'fix-missing-operands'

Fix missing operands

See merge request dp173259/rpn_collab!5

.gitignore

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

src/calc.cpp

@@ -24,7 +24,7 @@ int pop_stack(auto &stack) {
 
 void change_stack_state(auto &operation, auto &stack) {
   if (stack.size() < 2) {
-    throw std::invalid_argument("The first two digits should be numbers");
+    throw std::out_of_range("The first two digits should be numbers");
   }
   const auto op_b{pop_stack(stack)};
   const auto op_a{pop_stack(stack)};

src/main.cpp

@@ -19,7 +19,8 @@ int main() {
   } catch (const std::domain_error& e){
     std::cout << "encountered div by zero" << e.what() << "\n";
     return -1;
+  } catch(const std::out_of_range& e){
+    std::cout << "encountered " << e.what() << "\n";
+    return -1;
   }
-
-
 }

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+") );
+}