1 files changed, 13 insertions, 0 deletions
diff --git a/packages/excalidraw/tests/utils.test.ts b/packages/excalidraw/tests/utils.test.ts
new file mode 100644
index 0000000..34944fa
--- /dev/null
+++ b/packages/excalidraw/tests/utils.test.ts
@@ -0,0 +1,13 @@
+import { isTransparent } from "../utils";
+
+describe("Test isTransparent", () => {
+  it("should return true when color is rgb transparent", () => {
+    expect(isTransparent("#ff00")).toEqual(true);
+    expect(isTransparent("#fff00000")).toEqual(true);
+    expect(isTransparent("transparent")).toEqual(true);
+  });
+
+  it("should return false when color is not transparent", () => {
+    expect(isTransparent("#ced4da")).toEqual(false);
+  });
+});