Added support for creating a string outline of a bound script for debugging purposes

tests/TreeStringTests.cpp

@@ -0,0 +1,29 @@
+#ifdef TESTS_BUILD
+#include <catch.hpp>
+#include <sstream>
+
+#include "../src/Binder/BoundStatements/BoundStatement.hpp"
+using namespace Porygon::Binder;
+
+TEST_CASE( "Bad Statement To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundBadStatement();
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tBadStatement");
+}
+
+TEST_CASE( "Break Statement To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundBreakStatement();
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tBreakStatement");
+}
+
+TEST_CASE( "Block Statement To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundBlockStatement({new BoundBreakStatement(), new BoundBreakStatement()});
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tBlockStatement\n\t\tBreakStatement\n\t\tBreakStatement");
+}
+
+#endif

tests/integration/EqualityOperationsTests.cpp

@@ -153,6 +153,23 @@ TEST_CASE( "5 >= 5 == true", "[integration]" ) {
     delete script;
 }
 
+TEST_CASE( "nil == nil == true", "[integration]" ) {
+    auto script = Script::Create("nil == nil");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    auto result = script->Evaluate();
+    REQUIRE(result->EvaluateBool());
+    delete script;
+}
+
+TEST_CASE( "nil != nil == true", "[integration]" ) {
+    auto script = Script::Create("nil ~= nil");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    auto result = script->Evaluate();
+    REQUIRE(!result->EvaluateBool());
+    delete script;
+}
+
+
 
 #endif