test: basic functionality of readUIntBE()

nodejs · Dec 23, 2016 · 83e79cf · 83e79cf
1 parent 8329605
commit 83e79cf
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/test/parallel/test-buffer-readuintbe.js b/test/parallel/test-buffer-readuintbe.js
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+'use strict';
+require('../common');
+const assert = require('assert');
+
+// testing basic functionality of readUIntBE()
+
+const buf = Buffer.from([42, 84, 168, 127]);
+const result = buf.readUIntBE(2);
+
+assert.strictEqual(result, 84);
+
+assert.throws(
+  () => {
+    buf.readUIntBE(5);
+  },
+  /Index out of range/
+);
+
+assert.doesNotThrow(
+  () => {
+    buf.readUIntBE(5, 0, true);
+  },
+  'readUIntBE() should not throw if noAssert is true'
+);