diff --git a/src/Binder/BoundExpressions/BoundExpression.hpp b/src/Binder/BoundExpressions/BoundExpression.hpp
index 1ce25d3..4897391 100644
--- a/src/Binder/BoundExpressions/BoundExpression.hpp
+++ b/src/Binder/BoundExpressions/BoundExpression.hpp
@@ -34,9 +34,15 @@ namespace Porygon::Binder {
     };
 
     class BoundExpression {
+    private:
         const unsigned int _start;
         const unsigned int _length;
         const shared_ptr<const ScriptType> _type;
+    protected:
+        inline void DrawIndents(std::stringstream& stream, size_t indents) const{
+            for (size_t i = 0; i < indents; i++)
+                stream << "\t";
+        }
     public:
         BoundExpression(unsigned int start, unsigned int length, shared_ptr<const ScriptType> type)
                 : _start(start),
@@ -79,8 +85,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "BadExpression";
         }
     };
@@ -104,8 +109,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "LiteralInteger: " << _value << " (" << GetType()->ToString() << ")";
         }
     };
@@ -129,8 +133,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "LiteralFloat: " << _value << " (" << GetType()->ToString() << ")";
         }
     };
@@ -155,10 +158,9 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
-            stream << "LiteralString: " << Utilities::StringUtils::FromUTF8(_value)
-                   << " (" << GetType()->ToString() << ")";
+            DrawIndents(stream, indents);
+            stream << "LiteralString: \"" << Utilities::StringUtils::FromUTF8(_value)
+                   << "\" (" << GetType()->ToString() << ")";
         }
     };
 
@@ -181,8 +183,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "LiteralBool: " << _value << " (" << GetType()->ToString() << ")";
         }
     };
@@ -199,8 +200,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "NilExpression" << " (" << GetType()->ToString() << ")";
         }
     };
@@ -229,9 +229,8 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
-            stream << "VariableExpression: " << _key->GetIdentifier()->GetString().get()
+            DrawIndents(stream, indents);
+            stream << "VariableExpression: " << _key->GetIdentifier()->GetDebugString()
                    << " (" << GetType()->ToString() << ")";
         }
     };
@@ -296,11 +295,11 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "BinaryExpression: " << GetOperationString(_operation)
                    << " (" << GetType()->ToString() << ")" << endl;
             _left->GetTreeString(stream, indents + 1);
+            stream << endl;
             _right->GetTreeString(stream, indents + 1);
         }
     };
@@ -344,8 +343,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "UnaryExpression: " << GetOperationString(_operation)
                    << " (" << GetType()->ToString() << ")" << endl;
             _operand->GetTreeString(stream, indents + 1);
@@ -383,8 +381,7 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
+            DrawIndents(stream, indents);
             stream << "IndexExpression" << " (" << GetType()->ToString() << ")" << endl;
             _indexableExpression->GetTreeString(stream, indents + 1);
             stream << endl;
@@ -423,10 +420,8 @@ namespace Porygon::Binder {
         }
 
         void GetTreeString(std::stringstream& stream, size_t indents) const final{
-            for (size_t i = 0; i < indents; i++)
-                stream << "\t";
-            stream << "PeriodIndex: " << _index.GetString().get() << " (" << GetType()->ToString() << ")" << endl;
-            stream << endl;
+            DrawIndents(stream, indents);
+            stream << "PeriodIndex: " << _index.GetDebugString() << " (" << GetType()->ToString() << ")" << endl;
             _indexableExpression->GetTreeString(stream, indents + 1);
         }
 
@@ -476,7 +471,7 @@ namespace Porygon::Binder {
             _expression(expression)
         {}
 
-        const BoundExpression* GetExpression() const{
+        [[nodiscard]] const BoundExpression* GetExpression() const{
             return _expression;
         }
 
diff --git a/tests/TreeStringTests.cpp b/tests/TreeStringTests.cpp
index fc37f3f..cac98d4 100644
--- a/tests/TreeStringTests.cpp
+++ b/tests/TreeStringTests.cpp
@@ -162,6 +162,125 @@ TEST_CASE( "Function Declaration To String", "[BoundTreeString]" ) {
     delete s;
 }
 
+TEST_CASE( "Bad Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundBadExpression(0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tBadExpression");
+    delete s;
+}
+
+TEST_CASE( "Literal Integer Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundLiteralIntegerExpression(684,0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tLiteralInteger: 684 (number)");
+    delete s;
+}
+
+TEST_CASE( "Literal Float Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundLiteralFloatExpression(5.5,0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tLiteralFloat: 5.5 (number)");
+    delete s;
+}
+
+TEST_CASE( "Literal String Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundLiteralStringExpression(u"foobar",0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tLiteralString: \"foobar\" (string)");
+    delete s;
+}
+
+TEST_CASE( "Literal Bool Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundLiteralBoolExpression(true, 0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tLiteralBool: 1 (bool)");
+    delete s;
+}
+
+TEST_CASE( "Nil Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundNilExpression(0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tNilExpression (nil)");
+    delete s;
+}
+
+TEST_CASE( "Variable Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto type = ScriptType::BoolType;
+    auto key = new BoundVariableKey(HashedString(new u16string(u"var")), 0, false);
+    auto s = new BoundVariableExpression(key, type,0,0);
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tVariableExpression: var (bool)");
+    delete s;
+}
+
+TEST_CASE( "Binary Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundBinaryExpression(
+            new BoundLiteralIntegerExpression(5,0,0),
+            new BoundLiteralIntegerExpression(200,0,0),
+            BoundBinaryOperation ::Addition,
+            NumericScriptType::AwareInt, 0,0
+        );
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tBinaryExpression: addition (number)\n\t\tLiteralInteger: 5 (number)\n\t\tLiteralInteger: 200 (number)");
+    delete s;
+}
+
+TEST_CASE( "Unary Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundUnaryExpression(
+            new BoundLiteralIntegerExpression(5,0,0),
+            BoundUnaryOperation ::Negation,
+            NumericScriptType::AwareInt, 0,0
+    );
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tUnaryExpression: negation (number)\n\t\tLiteralInteger: 5 (number)");
+    delete s;
+}
+
+TEST_CASE( "Index Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundIndexExpression(
+            new BoundBadExpression(0,0),
+            new BoundBadExpression(0,0),
+            ScriptType::NilType,
+            0,0
+    );
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tIndexExpression (nil)\n\t\tBadExpression\n\t\tBadExpression");
+    delete s;
+}
+
+TEST_CASE( "Period Index Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundPeriodIndexExpression(
+            new BoundBadExpression(0,0),
+            HashedString(new u16string(u"key")),
+            ScriptType::NilType,
+            0,0
+    );
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tPeriodIndex: key (nil)\n\t\tBadExpression");
+    delete s;
+}
+
+TEST_CASE( "Cast Expression To String", "[BoundTreeString]" ) {
+    std::stringstream stream;
+    auto s = new BoundCastExpression(
+            new BoundBadExpression(0,0),
+            ScriptType::BoolType
+    );
+    s->GetTreeString(stream, 1);
+    REQUIRE(stream.str() == "\tCastExpression (bool)\n\t\tBadExpression");
+    delete s;
+}