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16# KIND, either express or implied. See the License for the
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20
21require 'spec_helper'
22
23describe Thrift::Bytes do
24  if RUBY_VERSION >= '1.9'
25    describe '.empty_byte_buffer' do
26      it 'should create an empty buffer' do
27        b = Thrift::Bytes.empty_byte_buffer
28        expect(b.length).to eq(0)
29        expect(b.encoding).to eq(Encoding::BINARY)
30      end
31
32      it 'should create an empty buffer of given size' do
33        b = Thrift::Bytes.empty_byte_buffer 2
34        expect(b.length).to eq(2)
35        expect(b.getbyte(0)).to eq(0)
36        expect(b.getbyte(1)).to eq(0)
37        expect(b.encoding).to eq(Encoding::BINARY)
38      end
39    end
40
41    describe '.force_binary_encoding' do
42      it 'should change encoding' do
43        e = 'STRING'.encode('UTF-8')
44        expect(e.encoding).not_to eq(Encoding::BINARY)
45        a = Thrift::Bytes.force_binary_encoding e
46        expect(a.encoding).to eq(Encoding::BINARY)
47      end
48    end
49
50    describe '.get_string_byte' do
51      it 'should get the byte at index' do
52        s = "\x41\x42"
53        expect(Thrift::Bytes.get_string_byte(s, 0)).to eq(0x41)
54        expect(Thrift::Bytes.get_string_byte(s, 1)).to eq(0x42)
55      end
56    end
57
58    describe '.set_string_byte' do
59      it 'should set byte value at index' do
60        s = "\x41\x42"
61        Thrift::Bytes.set_string_byte(s, 0, 0x43)
62        expect(s.getbyte(0)).to eq(0x43)
63        expect(s).to eq('CB')
64      end
65    end
66
67    describe '.convert_to_utf8_byte_buffer' do
68      it 'should convert UTF-8 String to byte buffer' do
69        e = "\u20AC".encode('UTF-8') # a string with euro sign character U+20AC
70        expect(e.length).to eq(1)
71
72        a = Thrift::Bytes.convert_to_utf8_byte_buffer e
73        expect(a.encoding).to eq(Encoding::BINARY)
74        expect(a.length).to eq(3)
75        expect(a.unpack('C*')).to eq([0xE2, 0x82, 0xAC])
76      end
77
78      it 'should convert ISO-8859-15 String to UTF-8 byte buffer' do
79        # Assumptions
80        e = "\u20AC".encode('ISO-8859-15') # a string with euro sign character U+20AC, then converted to ISO-8859-15
81        expect(e.length).to eq(1)
82        expect(e.unpack('C*')).to eq([0xA4]) # euro sign is a different code point in ISO-8859-15
83
84        a = Thrift::Bytes.convert_to_utf8_byte_buffer e
85        expect(a.encoding).to eq(Encoding::BINARY)
86        expect(a.length).to eq(3)
87        expect(a.unpack('C*')).to eq([0xE2, 0x82, 0xAC])
88      end
89    end
90
91    describe '.convert_to_string' do
92      it 'should convert UTF-8 byte buffer to a UTF-8 String' do
93        e = [0xE2, 0x82, 0xAC].pack("C*")
94        expect(e.encoding).to eq(Encoding::BINARY)
95        a = Thrift::Bytes.convert_to_string e
96        expect(a.encoding).to eq(Encoding::UTF_8)
97        expect(a).to eq("\u20AC")
98      end
99    end
100
101  else # RUBY_VERSION
102    describe '.empty_byte_buffer' do
103      it 'should create an empty buffer' do
104        b = Thrift::Bytes.empty_byte_buffer
105        expect(b.length).to eq(0)
106      end
107
108      it 'should create an empty buffer of given size' do
109        b = Thrift::Bytes.empty_byte_buffer 2
110        expect(b.length).to eq(2)
111        expect(b[0]).to eq(0)
112        expect(b[1]).to eq(0)
113      end
114    end
115
116    describe '.force_binary_encoding' do
117      it 'should be a no-op' do
118        e = 'STRING'
119        a = Thrift::Bytes.force_binary_encoding e
120        expect(a).to eq(e)
121        expect(a).to be(e)
122      end
123    end
124
125    describe '.get_string_byte' do
126      it 'should get the byte at index' do
127        s = "\x41\x42"
128        expect(Thrift::Bytes.get_string_byte(s, 0)).to eq(0x41)
129        expect(Thrift::Bytes.get_string_byte(s, 1)).to eq(0x42)
130      end
131    end
132
133    describe '.set_string_byte' do
134      it 'should set byte value at index' do
135        s = "\x41\x42"
136        Thrift::Bytes.set_string_byte(s, 0, 0x43)
137        expect(s[0]).to eq(0x43)
138        expect(s).to eq('CB')
139      end
140    end
141
142    describe '.convert_to_utf8_byte_buffer' do
143      it 'should be a no-op' do
144        e = 'STRING'
145        a = Thrift::Bytes.convert_to_utf8_byte_buffer e
146        expect(a).to eq(e)
147        expect(a).to be(e)
148      end
149    end
150
151    describe '.convert_to_string' do
152      it 'should be a no-op' do
153        e = 'STRING'
154        a = Thrift::Bytes.convert_to_string e
155        expect(a).to eq(e)
156        expect(a).to be(e)
157      end
158    end
159  end
160end
161