Upload Kmake

test/parallel/test-buffer-constants.js

@@ -0,0 +1,18 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+
+const { kMaxLength, kStringMaxLength } = require('buffer');
+const { MAX_LENGTH, MAX_STRING_LENGTH } = require('buffer').constants;
+
+assert.strictEqual(typeof MAX_LENGTH, 'number');
+assert.strictEqual(typeof MAX_STRING_LENGTH, 'number');
+assert(MAX_STRING_LENGTH <= MAX_LENGTH);
+assert.throws(() => ' '.repeat(MAX_STRING_LENGTH + 1),
+              /^RangeError: Invalid string length$/);
+
+' '.repeat(MAX_STRING_LENGTH); // Should not throw.
+
+// Legacy values match:
+assert.strictEqual(kMaxLength, MAX_LENGTH);
+assert.strictEqual(kStringMaxLength, MAX_STRING_LENGTH);