nodejs
diff --git a/Collapse file
‎test/parallel/test-process-setgroups.js‎
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+35Lines changed: 35 additions & 0 deletions b/Collapse file
‎test/parallel/test-process-setgroups.js‎
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+35Lines changed: 35 additions & 0 deletions
@@ -0,0 +1,35 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+
+assert.throws(
+  () => {
+    process.setgroups();
+  },
+  {
+    name: 'TypeError',
+    message: 'argument 1 must be an array'
+  }
+);
+
+assert.throws(
+  () => {
+    process.setgroups([1, -1]);
+  },
+  {
+    name: 'Error',
+    message: 'group name not found'
+  }
+);
+
+[undefined, null, true, {}, [], () => {}].forEach((val) => {
+  assert.throws(
+    () => {
+      process.setgroups([val]);
+    },
+    {
+      name: 'Error',
+      message: 'group name not found'
+    }
+  );
+});