test: basic functionality of readUIntBE()

PR-URL: #10417 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Italo A. Casas <[email protected]> Reviewed-By: Julian Duque <[email protected]>
nodejs · Jan 31, 2017 · 9546ad7 · 9546ad7
1 parent b0adda0
commit 9546ad7
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'
+);