nodejs
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‎test/parallel/test-fs-mkdtemp-prefix-check.js‎
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‎test/parallel/test-fs-mkdtemp-prefix-check.js‎
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+25Lines changed: 25 additions & 0 deletions
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‎test/parallel/test-mkdtemp-sync-prefix-check.js‎
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‎test/parallel/test-mkdtemp-sync-prefix-check.js‎
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@@ -0,0 +1,25 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const fs = require('fs');
+
+const expectedError = /^TypeError: filename prefix is required$/;
+const prefixValues = [undefined, null, 0, true, false, 1, ''];
+
+function fail(value) {
+  assert.throws(
+    () => fs.mkdtempSync(value, {}),
+    expectedError
+  );
+}
+
+function failAsync(value) {
+  assert.throws(
+    () => fs.mkdtemp(value, common.mustNotCall()), expectedError
+  );
+}
+
+prefixValues.forEach((prefixValue) => {
+  fail(prefixValue);
+  failAsync(prefixValue);
+});