JACOBIN-583 Corrected misspelling in name of file, removed block of c…

…ommented out tests

src/gfunction/javaLangStringBuilder_test.go

@@ -0,0 +1,96 @@
+/*
+ * Jacobin VM - A Java virtual machine
+ * Copyright (c) 2024-5 by  the Jacobin Authors. All rights reserved.
+ * Licensed under Mozilla Public License 2.0 (MPL 2.0)  Consult jacobin.org.
+ */
+
+package gfunction
+
+import (
+	"jacobin/excNames"
+	"jacobin/object"
+	"jacobin/types"
+	"testing"
+)
+
+func TestStringBuilderInit(t *testing.T) {
+	// Test case: without capacity
+	params := []any{object.MakeEmptyObject()}
+	result := stringBuilderInit(params)
+	if result != nil {
+		t.Errorf("Expected nil, got %v", result)
+	}
+
+	// Test case: with capacity
+	obj := object.MakeEmptyObject()
+	params = []any{obj, int64(32)}
+	result = stringBuilderInit(params)
+	if result != nil {
+		t.Errorf("Expected nil, got %v", result)
+	}
+
+	if obj.FieldTable["capacity"].Fvalue != int64(32) {
+		t.Errorf("Expected 32, got %v", result.(*object.Object).FieldTable["capacity"].Fvalue)
+	}
+}
+
+func TestStringBuilderInitString(t *testing.T) {
+	// Test case: valid string object
+	obj := object.MakeEmptyObject()
+	strObj := object.StringObjectFromGoString("Hello")
+	params := []any{obj, strObj}
+	result := stringBuilderInitString(params)
+	if result != nil {
+		t.Errorf("Expected nil, got %v", result)
+	}
+
+	if object.GoStringFromJavaByteArray(obj.FieldTable["value"].Fvalue.([]types.JavaByte)) !=
+		object.GoStringFromJavaByteArray(strObj.FieldTable["value"].Fvalue.([]types.JavaByte)) {
+		t.Errorf("Expected %v, got %v", strObj.FieldTable["value"].Fvalue,
+			result.(*object.Object).FieldTable["value"].Fvalue)
+	}
+
+	// Test case: invalid parameter type
+	params = []any{obj, 123}
+	result = stringBuilderInitString(params)
+	if result == nil || result.(*GErrBlk).ExceptionType != excNames.IllegalArgumentException {
+		t.Errorf("Expected IllegalArgumentException, got %s",
+			excNames.JVMexceptionNames[result.(*GErrBlk).ExceptionType])
+	}
+}
+
+func TestStringBuilderToString(t *testing.T) {
+	// Test case: convert to string
+	obj := object.NewStringObject()
+	obj.FieldTable["value"] = object.Field{Ftype: types.ByteArray, Fvalue: []types.JavaByte{'H', 'e', 'l', 'l', 'o'}}
+	params := []any{obj}
+	result := stringBuilderToString(params)
+	if result == nil {
+		t.Errorf("Expected non-nil result, got nil")
+	}
+	if result == "Hello" {
+		t.Errorf("Expected 'Hello', got %s", result)
+	}
+}
+
+func TestStringBuilderCapacity(t *testing.T) {
+	// Test case: get capacity
+	obj := object.MakeEmptyObject()
+	obj.FieldTable["capacity"] = object.Field{Ftype: types.Int, Fvalue: int64(16)}
+	params := []any{obj}
+	result := stringBuilderCapacity(params)
+	if result != int64(16) {
+		t.Errorf("Expected 16, got %v", result)
+	}
+}
+
+func TestStringBuilderLength(t *testing.T) {
+	// Test case: get length
+	obj := object.MakeEmptyObject()
+	obj.FieldTable["count"] = object.Field{Ftype: types.Int, Fvalue: int64(5)}
+	params := []any{obj}
+	result := stringBuilderLength(params)
+	if result != int64(5) {
+		t.Errorf("Expected 5, got %v", result)
+	}
+}