diff --git a/src/tests/commands/cross.test.ts b/src/tests/commands/cross.test.ts
new file mode 100644
index 00000000..b209bbe7
--- /dev/null
+++ b/src/tests/commands/cross.test.ts
@@ -0,0 +1,69 @@
+import * as core from "@actions/core";
+import * as github from "@actions/github";
+
+import * as io from "@actions/io";
+
+import { Cross } from "core";
+
+jest.mock("@actions/exec");
+jest.mock("@actions/cache");
+
+describe("cross", () => {
+    beforeEach(() => {
+        jest.resetAllMocks();
+        github.context.sha = "sha";
+
+        jest.spyOn(github.context, "repo", "get").mockReturnValue({
+            repo: "repo",
+            owner: "owner",
+        });
+    });
+
+    it("Cross", async () => {
+        const spy = jest.spyOn(io, "which").mockResolvedValue("/home/user/.cross/bin/cross");
+
+        await expect(Cross.get()).resolves.not.toBeNull();
+
+        expect(spy).toHaveBeenCalledTimes(1);
+    });
+
+    it("Cross not found", async () => {
+        const spy = jest.spyOn(io, "which").mockRejectedValue(new Error("Could not find path to cross"));
+
+        await expect(Cross.get()).rejects.toThrow("Could not find path to cross");
+
+        expect(spy).toHaveBeenCalledTimes(1);
+    });
+
+    it("Cross install", async () => {
+        const spy = jest.spyOn(io, "which").mockResolvedValueOnce("/home/user/.cross/bin/cross");
+        const spy2 = jest.spyOn(process, "cwd").mockReturnValueOnce("/somewhere/on/the/machine");
+        const spy3 = jest.spyOn(process, "chdir").mockReturnValue(undefined);
+
+        await expect(Cross.install("10.0")).resolves.toBeInstanceOf(Cross);
+
+        expect(spy).toHaveBeenCalledTimes(1);
+        expect(spy2).toHaveBeenCalledTimes(1);
+        expect(spy3.mock.calls).toMatchObject([["/tmp"], ["/somewhere/on/the/machine"]]);
+    });
+
+    it("Cross getOrInstall", async () => {
+        const spy = jest.spyOn(io, "which").mockResolvedValueOnce("/home/user/.cross/bin/cross");
+
+        await expect(Cross.getOrInstall()).resolves.toBeInstanceOf(Cross);
+
+        expect(spy).toHaveBeenCalledTimes(1);
+    });
+
+    it("Cross getOrInstall fail", async () => {
+        const spy = jest.spyOn(io, "which").mockResolvedValueOnce("/home/user/.cross/bin/cross");
+        const spy2 = jest.spyOn(Cross, "get").mockRejectedValue(new Error("Not found"));
+        const spy3 = jest.spyOn(core, "debug");
+
+        await expect(Cross.getOrInstall()).resolves.toBeInstanceOf(Cross);
+
+        expect(spy).toHaveBeenCalledTimes(1);
+        expect(spy2).toHaveBeenCalledTimes(1);
+        expect(spy3.mock.calls).toMatchObject([["Error: Not found"]]);
+    });
+});