test/methodArgs.m

   1 /*
   2 TEST_CFLAGS -Wno-deprecated-declarations
   3 TEST_BUILD_OUTPUT
   4 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
   5 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
   6 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
   7 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
   8 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
   9 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  10 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  11 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  12 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  13 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  14 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  15 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  16 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  17 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  18 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  19 .*methodArgs.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
  20 END
  21 */
  22
  23 #include "test.h"
  24 #include "testroot.i"
  25 #include <string.h>
  26 #include <objc/objc-runtime.h>
  27
  28 @interface Super : TestRoot @end
  29 @implementation Super
  30 +(id)method:(int)__unused arg :(void(^)(void)) __unused arg2 {
  31     return 0;
  32 }
  33 @end
  34
  35
  36 int main()
  37 {
  38     char buf[128];
  39     char *arg;
  40     struct objc_method_description *desc;
  41     Method m = class_getClassMethod([Super class], sel_registerName("method::"));
  42     testassert(m);
  43
  44     testassert(method_getNumberOfArguments(m) == 4);
  45
  46     arg = method_copyArgumentType(m, 0);
  47     testassert(arg);
  48     testassert(0 == strcmp(arg, "@"));
  49     memset(buf, 1, 128);
  50     method_getArgumentType(m, 0, buf, 1+strlen(arg));
  51     testassert(0 == strcmp(arg, buf));
  52     testassert(buf[1+strlen(arg)] == 1);
  53     memset(buf, 1, 128);
  54     method_getArgumentType(m, 0, buf, 2);
  55     testassert(0 == strncmp(arg, buf, 2));
  56     testassert(buf[2] == 1);
  57     free(arg);
  58
  59     arg = method_copyArgumentType(m, 1);
  60     testassert(arg);
  61     testassert(0 == strcmp(arg, ":"));
  62     memset(buf, 1, 128);
  63     method_getArgumentType(m, 1, buf, 1+strlen(arg));
  64     testassert(0 == strcmp(arg, buf));
  65     testassert(buf[1+strlen(arg)] == 1);
  66     memset(buf, 1, 128);
  67     method_getArgumentType(m, 1, buf, 2);
  68     testassert(0 == strncmp(arg, buf, 2));
  69     testassert(buf[2] == 1);
  70     free(arg);
  71
  72     arg = method_copyArgumentType(m, 2);
  73     testassert(arg);
  74     testassert(0 == strcmp(arg, "i"));
  75     memset(buf, 1, 128);
  76     method_getArgumentType(m, 2, buf, 1+strlen(arg));
  77     testassert(0 == strcmp(arg, buf));
  78     testassert(buf[1+strlen(arg)] == 1);
  79     memset(buf, 1, 128);
  80     method_getArgumentType(m, 2, buf, 2);
  81     testassert(0 == strncmp(arg, buf, 2));
  82     testassert(buf[2] == 1);
  83     free(arg);
  84
  85     arg = method_copyArgumentType(m, 3);
  86     testassert(arg);
  87     testassert(0 == strcmp(arg, "@?"));
  88     memset(buf, 1, 128);
  89     method_getArgumentType(m, 3, buf, 1+strlen(arg));
  90     testassert(0 == strcmp(arg, buf));
  91     testassert(buf[1+strlen(arg)] == 1);
  92     memset(buf, 1, 128);
  93     method_getArgumentType(m, 3, buf, 2);
  94     testassert(0 == strncmp(arg, buf, 2));
  95     testassert(buf[2] == 1);
  96     memset(buf, 1, 128);
  97     method_getArgumentType(m, 3, buf, 3);
  98     testassert(0 == strncmp(arg, buf, 3));
  99     testassert(buf[3] == 1);
 100     free(arg);
 101
 102     arg = method_copyArgumentType(m, 4);
 103     testassert(!arg);
 104
 105     arg = method_copyArgumentType(m, -1);
 106     testassert(!arg);
 107
 108     memset(buf, 1, 128);
 109     method_getArgumentType(m, 4, buf, 127);
 110     testassert(buf[0] == 0);
 111     testassert(buf[1] == 0);
 112     testassert(buf[127] == 1);
 113
 114     memset(buf, 1, 128);
 115     method_getArgumentType(m, -1, buf, 127);
 116     testassert(buf[0] == 0);
 117     testassert(buf[1] == 0);
 118     testassert(buf[127] == 1);
 119
 120     arg = method_copyReturnType(m);
 121     testassert(arg);
 122     testassert(0 == strcmp(arg, "@"));
 123     memset(buf, 1, 128);
 124     method_getReturnType(m, buf, 1+strlen(arg));
 125     testassert(0 == strcmp(arg, buf));
 126     testassert(buf[1+strlen(arg)] == 1);
 127     memset(buf, 1, 128);
 128     method_getReturnType(m, buf, 2);
 129     testassert(0 == strncmp(arg, buf, 2));
 130     testassert(buf[2] == 1);
 131     free(arg);
 132
 133     desc = method_getDescription(m);
 134     testassert(desc);
 135     testassert(desc->name == sel_registerName("method::"));
 136 #if __LP64__
 137     testassert(0 == strcmp(desc->types, "@28@0:8i16@?20"));
 138 #else
 139     testassert(0 == strcmp(desc->types, "@16@0:4i8@?12"));
 140 #endif
 141
 142     testassert(0 == method_getNumberOfArguments(NULL));
 143     testassert(NULL == method_copyArgumentType(NULL, 10));
 144     testassert(NULL == method_copyReturnType(NULL));
 145     testassert(NULL == method_getDescription(NULL));
 146
 147     memset(buf, 1, 128);
 148     method_getArgumentType(NULL, 1, buf, 127);
 149     testassert(buf[0] == 0);
 150     testassert(buf[1] == 0);
 151     testassert(buf[127] == 1);
 152
 153     memset(buf, 1, 128);
 154     method_getArgumentType(NULL, 1, buf, 0);
 155     testassert(buf[0] == 1);
 156     testassert(buf[1] == 1);
 157
 158     method_getArgumentType(m, 1, NULL, 128);
 159     method_getArgumentType(m, 1, NULL, 0);
 160     method_getArgumentType(NULL, 1, NULL, 128);
 161     method_getArgumentType(NULL, 1, NULL, 0);
 162
 163     memset(buf, 1, 128);
 164     method_getReturnType(NULL, buf, 127);
 165     testassert(buf[0] == 0);
 166     testassert(buf[1] == 0);
 167     testassert(buf[127] == 1);
 168
 169     memset(buf, 1, 128);
 170     method_getReturnType(NULL, buf, 0);
 171     testassert(buf[0] == 1);
 172     testassert(buf[1] == 1);
 173
 174     method_getReturnType(m, NULL, 128);
 175     method_getReturnType(m, NULL, 0);
 176     method_getReturnType(NULL, NULL, 128);
 177     method_getReturnType(NULL, NULL, 0);
 178
 179     succeed(__FILE__);
 180 }