1 files changed, 13 insertions, 0 deletions
diff --git a/library/sodium-plus/test/async-helper.js b/library/sodium-plus/test/async-helper.js
new file mode 100644
index 000000000..d3b5ebc00
--- /dev/null
+++ b/library/sodium-plus/test/async-helper.js
@@ -0,0 +1,13 @@
+const { expect } = require('chai');
+module.exports = async function expectError(promised, message) {
+    let thrown = false;
+    try {
+        await promised;
+    } catch (e) {
+        thrown = true;
+        expect(message).to.be.equal(e.message);
+    }
+    if (!thrown) {
+        throw new Error('Function did not throw');
+    }
+};