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backend/node_modules/restructure/test/Reserved.js

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+const {Reserved, uint8, uint16, DecodeStream, EncodeStream} = require('../');
+const should = require('chai').should();
+const concat = require('concat-stream');
+
+describe('Reserved', function() {
+  it('should have a default count of 1', function() {
+    const reserved = new Reserved(uint8);
+    return reserved.size().should.equal(1);
+  });
+
+  it('should allow custom counts and types', function() {
+    const reserved = new Reserved(uint16, 10);
+    return reserved.size().should.equal(20);
+  });
+
+  it('should decode', function() {
+    const stream = new DecodeStream(Buffer.from([0, 0]));
+    const reserved = new Reserved(uint16);
+    should.not.exist(reserved.decode(stream));
+    return stream.pos.should.equal(2);
+  });
+
+  return it('should encode', function(done) {
+    const stream = new EncodeStream;
+    const reserved = new Reserved(uint16);
+    stream.pipe(concat(function(buf) {
+      buf.should.deep.equal(Buffer.from([0, 0]));
+      return done();
+    })
+    );
+
+    reserved.encode(stream);
+    return stream.end();
+  });
+});