1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 #import "GPBTestUtilities.h" 32 33 #import <objc/runtime.h> 34 35 #import "GPBDescriptor.h" 36 #import "google/protobuf/Unittest.pbobjc.h" 37 38 @interface DescriptorTests : GPBTestCase 39 @end 40 41 @implementation DescriptorTests 42 43 - (void)testFieldDescriptor { 44 GPBDescriptor *descriptor = [TestAllTypes descriptor]; 45 46 // Nested Enum 47 GPBFieldDescriptor *fieldDescriptorWithName = 48 [descriptor fieldWithName:@"optionalNestedEnum"]; 49 XCTAssertNotNil(fieldDescriptorWithName); 50 GPBFieldDescriptor *fieldDescriptorWithNumber = 51 [descriptor fieldWithNumber:21]; 52 XCTAssertNotNil(fieldDescriptorWithNumber); 53 XCTAssertEqual(fieldDescriptorWithName, fieldDescriptorWithNumber); 54 XCTAssertNotNil(fieldDescriptorWithNumber.enumDescriptor); 55 XCTAssertEqualObjects(fieldDescriptorWithNumber.enumDescriptor.name, 56 @"TestAllTypes_NestedEnum"); 57 58 // Foreign Enum 59 fieldDescriptorWithName = [descriptor fieldWithName:@"optionalForeignEnum"]; 60 XCTAssertNotNil(fieldDescriptorWithName); 61 fieldDescriptorWithNumber = [descriptor fieldWithNumber:22]; 62 XCTAssertNotNil(fieldDescriptorWithNumber); 63 XCTAssertEqual(fieldDescriptorWithName, fieldDescriptorWithNumber); 64 XCTAssertNotNil(fieldDescriptorWithNumber.enumDescriptor); 65 XCTAssertEqualObjects(fieldDescriptorWithNumber.enumDescriptor.name, 66 @"ForeignEnum"); 67 68 // Import Enum 69 fieldDescriptorWithName = [descriptor fieldWithName:@"optionalImportEnum"]; 70 XCTAssertNotNil(fieldDescriptorWithName); 71 fieldDescriptorWithNumber = [descriptor fieldWithNumber:23]; 72 XCTAssertNotNil(fieldDescriptorWithNumber); 73 XCTAssertEqual(fieldDescriptorWithName, fieldDescriptorWithNumber); 74 XCTAssertNotNil(fieldDescriptorWithNumber.enumDescriptor); 75 XCTAssertEqualObjects(fieldDescriptorWithNumber.enumDescriptor.name, 76 @"ImportEnum"); 77 78 // Nested Message 79 fieldDescriptorWithName = [descriptor fieldWithName:@"optionalNestedMessage"]; 80 XCTAssertNotNil(fieldDescriptorWithName); 81 fieldDescriptorWithNumber = [descriptor fieldWithNumber:18]; 82 XCTAssertNotNil(fieldDescriptorWithNumber); 83 XCTAssertEqual(fieldDescriptorWithName, fieldDescriptorWithNumber); 84 XCTAssertNil(fieldDescriptorWithNumber.enumDescriptor); 85 86 // Foreign Message 87 fieldDescriptorWithName = 88 [descriptor fieldWithName:@"optionalForeignMessage"]; 89 XCTAssertNotNil(fieldDescriptorWithName); 90 fieldDescriptorWithNumber = [descriptor fieldWithNumber:19]; 91 XCTAssertNotNil(fieldDescriptorWithNumber); 92 XCTAssertEqual(fieldDescriptorWithName, fieldDescriptorWithNumber); 93 XCTAssertNil(fieldDescriptorWithNumber.enumDescriptor); 94 95 // Import Message 96 fieldDescriptorWithName = [descriptor fieldWithName:@"optionalImportMessage"]; 97 XCTAssertNotNil(fieldDescriptorWithName); 98 fieldDescriptorWithNumber = [descriptor fieldWithNumber:20]; 99 XCTAssertNotNil(fieldDescriptorWithNumber); 100 XCTAssertEqual(fieldDescriptorWithName, fieldDescriptorWithNumber); 101 XCTAssertNil(fieldDescriptorWithNumber.enumDescriptor); 102 } 103 104 - (void)testEnumDescriptor { 105 GPBEnumDescriptor *descriptor = TestAllTypes_NestedEnum_EnumDescriptor(); 106 107 NSString *enumName = [descriptor enumNameForValue:1]; 108 XCTAssertNotNil(enumName); 109 int32_t value; 110 XCTAssertTrue( 111 [descriptor getValue:&value forEnumName:@"TestAllTypes_NestedEnum_Foo"]); 112 XCTAssertTrue( 113 [descriptor getValue:NULL forEnumName:@"TestAllTypes_NestedEnum_Foo"]); 114 XCTAssertEqual(value, TestAllTypes_NestedEnum_Foo); 115 116 enumName = [descriptor enumNameForValue:2]; 117 XCTAssertNotNil(enumName); 118 XCTAssertTrue( 119 [descriptor getValue:&value forEnumName:@"TestAllTypes_NestedEnum_Bar"]); 120 XCTAssertEqual(value, TestAllTypes_NestedEnum_Bar); 121 122 enumName = [descriptor enumNameForValue:3]; 123 XCTAssertNotNil(enumName); 124 XCTAssertTrue( 125 [descriptor getValue:&value forEnumName:@"TestAllTypes_NestedEnum_Baz"]); 126 XCTAssertEqual(value, TestAllTypes_NestedEnum_Baz); 127 128 // Bad values 129 enumName = [descriptor enumNameForValue:0]; 130 XCTAssertNil(enumName); 131 XCTAssertFalse([descriptor getValue:&value forEnumName:@"Unknown"]); 132 XCTAssertFalse([descriptor getValue:NULL forEnumName:@"Unknown"]); 133 XCTAssertFalse([descriptor getValue:&value 134 forEnumName:@"TestAllTypes_NestedEnum_Unknown"]); 135 XCTAssertFalse([descriptor getValue:NULL 136 forEnumName:@"TestAllTypes_NestedEnum_Unknown"]); 137 } 138 139 - (void)testEnumValueValidator { 140 GPBDescriptor *descriptor = [TestAllTypes descriptor]; 141 GPBFieldDescriptor *fieldDescriptor = 142 [descriptor fieldWithName:@"optionalNestedEnum"]; 143 144 // Valid values 145 XCTAssertTrue([fieldDescriptor isValidEnumValue:1]); 146 XCTAssertTrue([fieldDescriptor isValidEnumValue:2]); 147 XCTAssertTrue([fieldDescriptor isValidEnumValue:3]); 148 XCTAssertTrue([fieldDescriptor isValidEnumValue:-1]); 149 150 // Invalid values 151 XCTAssertFalse([fieldDescriptor isValidEnumValue:4]); 152 XCTAssertFalse([fieldDescriptor isValidEnumValue:0]); 153 XCTAssertFalse([fieldDescriptor isValidEnumValue:-2]); 154 } 155 156 - (void)testOneofDescriptor { 157 GPBDescriptor *descriptor = [TestOneof2 descriptor]; 158 159 // All fields should be listed. 160 XCTAssertEqual(descriptor.fields.count, 17U); 161 162 // There are two oneofs in there. 163 XCTAssertEqual(descriptor.oneofs.count, 2U); 164 165 GPBFieldDescriptor *fooStringField = 166 [descriptor fieldWithNumber:TestOneof2_FieldNumber_FooString]; 167 XCTAssertNotNil(fooStringField); 168 GPBFieldDescriptor *barStringField = 169 [descriptor fieldWithNumber:TestOneof2_FieldNumber_BarString]; 170 XCTAssertNotNil(barStringField); 171 172 // Check the oneofs to have what is expected. 173 174 GPBOneofDescriptor *oneofFoo = [descriptor oneofWithName:@"foo"]; 175 XCTAssertNotNil(oneofFoo); 176 XCTAssertEqual(oneofFoo.fields.count, 9U); 177 178 // Pointer comparisons. 179 XCTAssertEqual([oneofFoo fieldWithNumber:TestOneof2_FieldNumber_FooString], 180 fooStringField); 181 XCTAssertEqual([oneofFoo fieldWithName:@"fooString"], fooStringField); 182 183 GPBOneofDescriptor *oneofBar = [descriptor oneofWithName:@"bar"]; 184 XCTAssertNotNil(oneofBar); 185 XCTAssertEqual(oneofBar.fields.count, 6U); 186 187 // Pointer comparisons. 188 XCTAssertEqual([oneofBar fieldWithNumber:TestOneof2_FieldNumber_BarString], 189 barStringField); 190 XCTAssertEqual([oneofBar fieldWithName:@"barString"], barStringField); 191 192 // Unknown oneof not found. 193 194 XCTAssertNil([descriptor oneofWithName:@"mumble"]); 195 XCTAssertNil([descriptor oneofWithName:@"Foo"]); 196 197 // Unknown oneof item. 198 199 XCTAssertNil([oneofFoo fieldWithName:@"mumble"]); 200 XCTAssertNil([oneofFoo fieldWithNumber:666]); 201 202 // Field exists, but not in this oneof. 203 204 XCTAssertNil([oneofFoo fieldWithName:@"barString"]); 205 XCTAssertNil([oneofFoo fieldWithNumber:TestOneof2_FieldNumber_BarString]); 206 XCTAssertNil([oneofBar fieldWithName:@"fooString"]); 207 XCTAssertNil([oneofBar fieldWithNumber:TestOneof2_FieldNumber_FooString]); 208 209 // Check pointers back to the enclosing oneofs. 210 // (pointer comparisions) 211 XCTAssertEqual(fooStringField.containingOneof, oneofFoo); 212 XCTAssertEqual(barStringField.containingOneof, oneofBar); 213 GPBFieldDescriptor *bazString = 214 [descriptor fieldWithNumber:TestOneof2_FieldNumber_BazString]; 215 XCTAssertNotNil(bazString); 216 XCTAssertNil(bazString.containingOneof); 217 } 218 219 @end 220