first commit

app_vue/node_modules/hpack.js/test/encoder-test.js

@@ -0,0 +1,166 @@
+var assert = require('assert');
+var hpack = require('../');
+
+describe('hpack/encoder', function() {
+  var encoder;
+
+  beforeEach(function() {
+    encoder = hpack.encoder.create();
+  });
+
+  function expect(arr, enc) {
+    function isNumber(num) {
+      return typeof num === 'number';
+    }
+
+    var out = Buffer.concat(encoder.render()).toString('hex');
+    if (Array.isArray(arr) && !arr.every(isNumber)) {
+      arr = arr.map(function(item) {
+        return new Buffer(item, enc);
+      });
+      arr = Buffer.concat(arr);
+    } else {
+      arr = new Buffer(arr, enc);
+    }
+    var actual = arr.toString('hex');
+    assert.equal(out, actual);
+  }
+
+  describe('bit', function() {
+    it('should encode number bit-by-bit', function() {
+      [ 1, 1, 1, 0, 1, 0, 1, 0,
+        1, 0, 1, 0, 1, 1, 1, 1 ].forEach(function(bit) {
+        encoder.encodeBit(bit);
+      });
+      expect([
+        0b11101010,
+        0b10101111
+      ]);
+    });
+
+    it('should encode number using multiple bits', function() {
+      for (var i = 0; i < 8; i++)
+        encoder.encodeBits(0b1011010, 7);
+      expect([
+        0b10110101,
+        0b01101010,
+        0b11010101,
+        0b10101011,
+        0b01010110,
+        0b10101101,
+        0b01011010
+      ]);
+    });
+  });
+
+  describe('integer', function() {
+    it('should encode 10 in prefix-5 (C.1.1)', function() {
+      encoder.skipBits(3);
+      encoder.encodeInt(10);
+      expect([ 0x0a ]);
+    });
+
+    it('should decode 1337 in prefix-5 (C.1.2)', function() {
+      encoder.skipBits(3);
+      encoder.encodeInt(1337);
+      expect([
+        0b00011111,
+        0b10011010,
+        0b00001010
+      ]);
+    });
+
+    it('should decode 42 at octect boundary (C.1.3)', function() {
+      encoder.encodeInt(42);
+      expect([ 0b00101010 ]);
+    });
+
+    it('should regression 6-bit test', function() {
+      encoder.skipBits(2);
+      encoder.encodeInt(63);
+      expect([ 0b00111111, 0b00000000 ]);
+    });
+  });
+
+  describe('string', function() {
+    it('should encode literal from (C.2.1)', function() {
+      encoder.encodeStr(new Buffer('custom-key'), false);
+      expect([ [ 0x0a ], 'custom-key' ]);
+    });
+
+    it('should encode literal from (C.4.1)', function() {
+      encoder.encodeStr(new Buffer('www.example.com'), true);
+      expect('8c' +
+                 'f1e3 c2e5 f23a 6ba0 ab90 f4ff'.replace(/ /g, ''),
+             'hex');
+    });
+
+    it('should decode literal from (C.4.2)', function() {
+      encoder.encodeStr(new Buffer('no-cache'), true);
+      expect(
+        '86' +
+            'a8eb 1064 9cbf'.replace(/ /g, ''),
+        'hex');
+    });
+
+    it('should encode literal from (C.4.3) #1', function() {
+      encoder.encodeStr(new Buffer('custom-key'), true);
+      expect(
+        '88' +
+            '25a8 49e9 5ba9 7d7f'.replace(/ /g, ''),
+        'hex');
+    });
+
+    it('should encode literal from (C.4.3) #2', function() {
+      encoder.encodeStr(new Buffer('custom-value'), true);
+      expect(
+        '89' +
+            '25a8 49e9 5bb8 e8b4 bf'.replace(/ /g, ''),
+        'hex');
+    });
+
+    it('should encode literal from (C.6.1) #1', function() {
+      encoder.encodeStr(new Buffer('Mon, 21 Oct 2013 20:13:21 GMT'), true);
+      expect(
+        ('96' +
+            'd07a be94 1054 d444 a820 0595 040b 8166' +
+            'e082 a62d 1bff').replace(/ /g, ''),
+        'hex');
+    });
+
+    it('should encode literal from (C.6.1) #2', function() {
+      encoder.encodeStr(new Buffer('https://www.example.com'), true);
+      expect(
+        ('91' +
+            '9d29 ad17 1863 c78f 0b97 c8e9 ae82 ae43' +
+            'd3').replace(/ /g, ''),
+        'hex');
+    });
+
+    it('should encode many 5 bit chars', function() {
+      encoder.encodeStr(new Buffer('eeeeeeee'), true);
+      // e = 00101, 0x294A5294A5 = 00101 x 8
+      expect('85294A5294A5', 'hex');
+    });
+
+    it('should encode many 5 bit chars with 3-bit EOS', function() {
+      // e = 00101, EOS=111,
+      // 0x294A5294A52F = 00101 x 9 + 111
+      encoder.encodeStr(new Buffer('eeeeeeeee'), true);
+      expect('86294A5294A52F', 'hex');
+    });
+
+    it('should decode many 5 bit chars with 2-bit EOS', function() {
+      // e = 00101, EOS=11,
+      // 0x294A5297 = 00101 x 6 + 11
+      encoder.encodeStr(new Buffer('eeeeee'), true);
+      expect('84294A5297', 'hex');
+    });
+
+    it('should decode many multi-octet chars', function() {
+      encoder.encodeStr([ 1, 1, 1, 1, 1, 1, 1, 1 ], true);
+      expect('97ffffb1ffff63fffec7fffd8ffffb1ffff63fffec7fffd8',
+             'hex');
+    });
+  });
+});