Improve script exception error message.

tests/ScriptTests/BaseScriptClassTests.cpp

@@ -56,6 +56,9 @@ void StopBeforeAttack(ExecutingMove@ attack, bool& result) override{
     AS_CLASS(OnAfterHitsScript,
              "int value = 0; void OnAfterHits(ExecutingMove@ attack, Pokemon@ target) override { value++; } "
              "int GetValue() { return value; }"),
+    AS_CLASS(throwScript,
+             R"(void PreventAttack(ExecutingMove@ attack, bool& result) override{ throw("test exception"); })"),
+
 
 };
 
@@ -271,4 +274,21 @@ TEST_CASE("Invoke OnAfterHits script function") {
     delete script;
 }
 
+TEST_CASE("Handle script exceptions.") {
+    auto mainLib = TestLibrary::GetLibrary();
+    auto script = GetScript(mainLib, "throwScript");
+    bool b = false;
+    bool hasThrown = false;
+    try{
+        script->PreventAttack(nullptr, &b);
+    }
+    catch (const CreatureException& e){
+        hasThrown = true;
+        REQUIRE(strcmp("Script exception in script 'throwScript', line 1. Message: 'test exception'.", e.what()) == 0);
+    }
+    REQUIRE(hasThrown);
+
+    delete script;
+}
+
 #endif