1 files changed, 27 insertions, 0 deletions
diff --git a/test/cli/bun.test.ts b/test/cli/bun.test.ts
index 97ea52ecd..8bb3ca744 100644
--- a/test/cli/bun.test.ts
+++ b/test/cli/bun.test.ts
@@ -32,4 +32,31 @@ describe("bun", () => {
       });
     }
   });
+
+  describe("revision", () => {
+    test("revision generates version numbers correctly", () => {
+      var { stdout, exitCode } = Bun.spawnSync({
+        cmd: [bunExe(), "--version"],
+        env: {},
+        stderr: "inherit",
+      });
+      var version = stdout.toString().trim();
+
+      var { stdout, exitCode } = Bun.spawnSync({
+        cmd: [bunExe(), "--revision"],
+        env: {},
+        stderr: "inherit",
+      });
+      var revision = stdout.toString().trim();
+
+      expect(exitCode).toBe(0);
+      expect(revision).toStartWith(version);
+      // https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string
+      expect(revision).toMatch(
+        new RegExp(
+          "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$",
+        ),
+      );
+    });
+  });
 });