1 files changed, 24 insertions, 0 deletions
diff --git a/packages/markdown/marked/test/specs/redos-spec.js b/packages/markdown/marked/test/specs/redos-spec.js
new file mode 100644
index 00000000..1f94a42e
--- /dev/null
+++ b/packages/markdown/marked/test/specs/redos-spec.js
@@ -0,0 +1,24 @@
+const path = require('path');
+const fs = require('fs');
+
+const redosDir = path.resolve(__dirname, '../redos');
+
+describe('ReDOS tests', () => {
+  const files = fs.readdirSync(redosDir);
+  files.forEach(file => {
+    if (!file.match(/\.js$/)) {
+      return;
+    }
+
+    it(file, () => {
+      const spec = require(path.resolve(redosDir, file));
+      const before = process.hrtime();
+      expect(spec).toRender(spec.html);
+      const elapsed = process.hrtime(before);
+      if (elapsed[0] > 0) {
+        const s = (elapsed[0] + elapsed[1] * 1e-9).toFixed(3);
+        fail(`took too long: ${s}s`);
+      }
+    });
+  });
+});