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comparison UnitTests/CS/Common/ConvertTest.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 #if ORACLE
3 using Oracle.DataAccess.Types;
4 #endif
5 using System.Reflection;
6 using BLToolkit.Common;
7 using BLToolkit.Reflection;
8
9 using NUnit.Framework;
10
11 using Convert = BLToolkit.Common.Convert;
12
13 namespace Common
14 {
15 [TestFixture]
16 public class ConvertTest
17 {
18 [Test]
19 public void StringTest()
20 {
21 string testStr = "123";
22
23 Assert.AreEqual(123, Convert.ToSByte(testStr));
24 Assert.AreEqual(123, Convert.ToInt16(testStr));
25 Assert.AreEqual(123, Convert.ToInt32(testStr));
26 Assert.AreEqual(123, Convert.ToInt64(testStr));
27
28 Assert.AreEqual(123, Convert.ToByte(testStr));
29 Assert.AreEqual(123, Convert.ToUInt16(testStr));
30 Assert.AreEqual(123, Convert.ToUInt32(testStr));
31 Assert.AreEqual(123, Convert.ToUInt64(testStr));
32
33 Assert.AreEqual(123.0m, Convert.ToDecimal(testStr));
34 Assert.AreEqual(123.0f, Convert.ToSingle(testStr));
35 Assert.AreEqual(123.0, Convert.ToDouble(testStr));
36
37 string zeroStr = "0";
38
39 Assert.AreEqual(0, Convert.ToSByte((string)null));
40 Assert.AreEqual(0, Convert.ToSByte(zeroStr));
41 Assert.AreEqual(0, Convert.ToInt16(zeroStr));
42 Assert.AreEqual(0, Convert.ToInt32(zeroStr));
43 Assert.AreEqual(0, Convert.ToInt64(zeroStr));
44
45 Assert.AreEqual(0, Convert.ToByte(zeroStr));
46 Assert.AreEqual(0, Convert.ToUInt16(zeroStr));
47 Assert.AreEqual(0, Convert.ToUInt32(zeroStr));
48 Assert.AreEqual(0, Convert.ToUInt64(zeroStr));
49
50 Assert.AreEqual(0.0m, Convert.ToDecimal(zeroStr));
51 Assert.AreEqual(0.0f, Convert.ToSingle(zeroStr));
52 Assert.AreEqual(0.0, Convert.ToDouble(zeroStr));
53
54 Assert.IsTrue(Convert.ToBoolean("True"));
55 Assert.IsTrue(Convert.ToBoolean("true"));
56
57 Assert.IsFalse(Convert.ToBoolean("false"));
58 Assert.IsFalse(Convert.ToBoolean("FALSE"));
59 Assert.IsFalse(Convert.ToBoolean((string)null));
60
61 Assert.AreEqual('T', Convert.ToChar("T"));
62 Assert.AreEqual(0, Convert.ToChar((string)null));
63
64 Assert.AreEqual(DateTime.Today, Convert.ToDateTime(DateTime.Today.ToString()));
65 Assert.AreEqual(DateTime.MinValue, Convert.ToDateTime((string)null));
66
67 Assert.AreEqual(TimeSpan.FromDays(123.0), Convert.ToTimeSpan("123"));
68 Assert.AreEqual(TimeSpan.MinValue, Convert.ToTimeSpan((string)null));
69
70 Assert.AreEqual(typeof(int).GUID, Convert.ToGuid(typeof(int).GUID.ToString()));
71 Assert.AreEqual(Guid.Empty, Convert.ToGuid((string)null));
72
73 Assert.AreEqual(typeof(int), Convert.ToType("System.Int32, mscorlib"));
74 Assert.IsNull(Convert.ToType((string)null));
75 }
76
77 private static readonly Type[] NumericTypes =
78 {
79 typeof(SByte),
80 typeof(Byte),
81 typeof(Int16),
82 typeof(UInt16),
83 typeof(Int32),
84 typeof(UInt32),
85 typeof(Int64),
86 typeof(UInt64),
87 typeof(Single),
88 typeof(Double),
89 typeof(Decimal),
90 };
91
92 private const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Static;
93
94 [Test]
95 public void NumericTest()
96 {
97 TypeHelper helper = new TypeHelper(typeof(Convert));
98 IConvertible src = 123;
99
100 // All types from SByte to Decimal can convert to each other
101 //
102 for (int from = 0; from < NumericTypes.Length; ++from)
103 {
104 Type typeFrom = NumericTypes[from];
105 object test = src.ToType(typeFrom, null);
106
107 for (int to = 0; to < NumericTypes.Length; ++to)
108 {
109 if (from == to)
110 continue;
111
112 Type typeTo = NumericTypes[to];
113 MethodInfo mi = helper.GetMethod("To" + typeTo.Name, bindingFlags, typeFrom);
114
115 Assert.IsNotNull(mi, string.Format("Missed To{0}({1})", typeTo.Name, typeFrom.Name));
116 Assert.AreEqual(123, mi.Invoke(null, new object[] { test }));
117 }
118 }
119 }
120
121 [Test]
122 public void DateTimeTest()
123 {
124 Assert.AreEqual(DateTime.MinValue + TimeSpan.FromDays(1), Convert.ToDateTime(1.0));
125 Assert.AreEqual(TimeSpan.FromDays(1), Convert.ToTimeSpan(1.0));
126
127 Assert.AreEqual(DateTime.MinValue + TimeSpan.FromTicks(1), Convert.ToDateTime(1L));
128 Assert.AreEqual(TimeSpan.FromTicks(1), Convert.ToTimeSpan(1L));
129 }
130
131 [Test]
132 public void InterfaceTest()
133 {
134 Assert.AreEqual(123, ConvertTo<IConvertible>.From(123).ToByte(null));
135 }
136
137 [Test]
138 public void EnumTest()
139 {
140 // Enum-to-enum.
141 //
142 Assert.AreEqual(BindingFlags.DeclaredOnly,
143 ConvertTo<BindingFlags>.From(CallingConventions.VarArgs));
144
145 // Enum-to-nullable byte.
146 //
147 Assert.AreEqual((byte?)BindingFlags.DeclaredOnly,
148 ConvertTo<byte?>.From(BindingFlags.DeclaredOnly));
149
150 // Nullable Enum-to-nullable enum.
151 //
152 Assert.AreEqual((CallingConventions?)CallingConventions.VarArgs,
153 ConvertTo<CallingConventions?>.From((BindingFlags?)BindingFlags.DeclaredOnly));
154
155 // Integer-to-enum.
156 //
157 Assert.AreEqual(BindingFlags.DeclaredOnly,
158 ConvertTo<BindingFlags>.From((int)BindingFlags.DeclaredOnly));
159
160 // Integer-to-nullable enum.
161 //
162 Assert.AreEqual(BindingFlags.DeclaredOnly,
163 ConvertTo<BindingFlags?>.From((int)BindingFlags.DeclaredOnly));
164
165 }
166
167 [Test]
168 public void ByteArrayTest()
169 {
170 Byte[] bytes;
171 object value;
172
173 bytes = new byte[] {123};
174 value = (byte)123;
175 Assert.AreEqual(bytes, Convert.ToByteArray(value));
176 Assert.AreEqual(value, Convert.ToByte(bytes));
177
178 bytes = new byte[] {123, 0};
179 value = (short)123;
180 Assert.AreEqual(bytes, Convert.ToByteArray(value));
181 Assert.AreEqual(value, Convert.ToInt16(bytes));
182
183 bytes = new byte[] {210, 2, 150, 73};
184 value = 1234567890;
185 Assert.AreEqual(bytes, Convert.ToByteArray(value));
186 Assert.AreEqual(value, Convert.ToInt32(bytes));
187
188 bytes = new byte[] {(byte) 't', (byte) 's', (byte) 't'};
189 value = "tst";
190 Assert.AreEqual(bytes, Convert.ToByteArray(value));
191 Assert.AreEqual(value, Convert.ToString(bytes));
192
193 bytes = new byte[] {12, 0, 0, 0, 0, 0, 0, 0, 192, 0, 0, 0, 0, 0, 0, 70};
194 value = typeof(System.Runtime.InteropServices.ComTypes.IStream).GUID;
195 Assert.AreEqual(bytes, Convert.ToByteArray(value));
196 Assert.AreEqual(value, Convert.ToGuid(bytes));
197
198 bytes = new byte[] {210, 10, 31, 235, 140, 169, 84, 171, 0, 0, 0, 0, 0, 0, 0, 0};
199 value = 12345678901234567890m;
200 Assert.AreEqual(bytes, Convert.ToByteArray(value));
201 Assert.AreEqual(value, Convert.ToDecimal(bytes));
202
203 bytes = new byte[] {121, 233, 246, 66};
204 value = 123.456f;
205 Assert.AreEqual(bytes, Convert.ToByteArray(value));
206 Assert.AreEqual(value, Convert.ToSingle(bytes));
207
208 bytes = new byte[] {119, 190, 159, 26, 47, 221, 94, 64};
209 value = 123.456;
210 Assert.AreEqual(bytes, Convert.ToByteArray(value));
211 Assert.AreEqual(value, Convert.ToDouble(bytes));
212 }
213
214 [Test]
215 public void ConvertT()
216 {
217 decimal d = ConvertTo<decimal>.From(123);
218 Assert.AreEqual(123.0m, d);
219 }
220
221 #if ORACLE
222 [Test]
223 public void TypeCast()
224 {
225 // Note that method BLToolkit.Common.Convert.ToDecimal(OracleNumber p) does not exist.
226 //
227 decimal d = ConvertTo<decimal>.From(new OracleDecimal(123));
228 Assert.AreEqual(123.0m, d);
229
230 // Method BLToolkit.Common.Convert.ToOracleString(string p) does not exist too.
231 //
232 OracleString s = ConvertTo<OracleString>.From("test");
233 Assert.AreEqual("test", s.Value);
234 }
235 #endif
236 }
237 }