diff --git a/.changeset/sunny-kiwis-fix.md b/.changeset/sunny-kiwis-fix.md
new file mode 100644
index 00000000..188ec725
--- /dev/null
+++ b/.changeset/sunny-kiwis-fix.md
@@ -0,0 +1,5 @@
+---
+"@nodesecure/js-x-ray": patch
+---
+
+Add unit tests for isMinifiedCode utility.
diff --git a/workspaces/js-x-ray/test/utils/isMinifiedCode.spec.ts b/workspaces/js-x-ray/test/utils/isMinifiedCode.spec.ts
new file mode 100644
index 00000000..13742c19
--- /dev/null
+++ b/workspaces/js-x-ray/test/utils/isMinifiedCode.spec.ts
@@ -0,0 +1,63 @@
+// Import Node.js Dependencies
+import assert from "node:assert";
+import { describe, it } from "node:test";
+
+// Import Internal Dependencies
+import { isMinifiedCode } from "../../src/utils/index.ts";
+
+describe("isMinifiedCode", () => {
+  it("should return false for formatted multi-line code", () => {
+    const formattedCode = `
+            function add(a, b) {
+                return a + b;
+            }
+        `;
+    assert.strictEqual(isMinifiedCode(formattedCode), false);
+  });
+
+  it("should return true for a single line code", () => {
+    const minifiedCode = "function add(a,b){return a+b;}";
+    assert.strictEqual(isMinifiedCode(minifiedCode), true);
+  });
+
+  it("should return true when median line length exceeds 200", () => {
+    const longString = "a".repeat(250);
+    const code = `
+${longString}
+${longString}
+`;
+    assert.strictEqual(isMinifiedCode(code), true);
+  });
+
+  it("should ignore comments when evaluating minification", () => {
+    const code = `
+    // this is a comment
+    function test() {
+    return 1;
+    }
+    `;
+    assert.strictEqual(isMinifiedCode(code), false);
+  });
+
+  it("should handle empty code as minified", () => {
+    assert.strictEqual(isMinifiedCode(""), true);
+  });
+
+  it("should treat comment-only code as minified", () => {
+    const code = `
+// comment
+/* block comment */
+`;
+    assert.strictEqual(isMinifiedCode(code), true);
+  });
+
+  it("should not be affected by a single long line", () => {
+    const longLine = "a".repeat(250);
+    const code = `
+short line
+${longLine}
+short line
+`;
+    assert.strictEqual(isMinifiedCode(code), false);
+  });
+});