clang/test/Modules/odr_hash-enum.c

   1 // Clear and create directories
   2 // RUN: rm -rf %t
   3 // RUN: mkdir %t
   4 // RUN: mkdir %t/cache
   5 // RUN: mkdir %t/Inputs
   6
   7 // Build first header file
   8 // RUN: echo "#define FIRST" >> %t/Inputs/first.h
   9 // RUN: cat %s               >> %t/Inputs/first.h
  10
  11 // Build second header file
  12 // RUN: echo "#define SECOND" >> %t/Inputs/second.h
  13 // RUN: cat %s                >> %t/Inputs/second.h
  14
  15 // Test that each header can compile
  16 // RUN: %clang_cc1 -fsyntax-only -x c %t/Inputs/first.h
  17 // RUN: %clang_cc1 -fsyntax-only -x c %t/Inputs/second.h
  18
  19 // Build module map file
  20 // RUN: echo "module FirstModule {"     >> %t/Inputs/module.modulemap
  21 // RUN: echo "    header \"first.h\""   >> %t/Inputs/module.modulemap
  22 // RUN: echo "}"                        >> %t/Inputs/module.modulemap
  23 // RUN: echo "module SecondModule {"    >> %t/Inputs/module.modulemap
  24 // RUN: echo "    header \"second.h\""  >> %t/Inputs/module.modulemap
  25 // RUN: echo "}"                        >> %t/Inputs/module.modulemap
  26
  27 // Run test
  28 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/cache -x c -I%t/Inputs -verify %s
  29
  30 #if !defined(FIRST) && !defined(SECOND)
  31 #include "first.h"
  32 #include "second.h"
  33 #endif
  34
  35 #if defined(FIRST)
  36 enum DifferentEnumConstants { kDifferentEnumConstantsValueFirst };
  37 #elif defined(SECOND)
  38 enum DifferentEnumConstants { kDifferentEnumConstantsValueSecond };
  39 #else
  40 enum DifferentEnumConstants differentEnumConstants;
  41 // expected-error@second.h:* {{'kDifferentEnumConstantsValueSecond' from module 'SecondModule' is not present in definition of 'enum DifferentEnumConstants' in module 'FirstModule'}}
  42 // expected-note@first.h:* {{definition has no member 'kDifferentEnumConstantsValueSecond'}}
  43 #endif
  44
  45 #if defined(FIRST)
  46 enum DifferentEnumValues { kDifferentEnumValue = 0 };
  47 #elif defined(SECOND)
  48 enum DifferentEnumValues { kDifferentEnumValue = 1 };
  49 #else
  50 enum DifferentEnumValues differentEnumValue;
  51 // expected-error@first.h:* {{'DifferentEnumValues' has different definitions in different modules; definition in module 'FirstModule' first difference is 1st element 'kDifferentEnumValue' has an initializer}}
  52 // expected-note@second.h:* {{but in 'SecondModule' found 1st element 'kDifferentEnumValue' has different initializer}}
  53 #endif
  54
  55 #if defined(FIRST)
  56 enum {
  57     kAnonymousEnumValueFirst = 1,
  58 };
  59 #elif defined(SECOND)
  60 enum {
  61     kAnonymousEnumValueSecond = 2,
  62 };
  63 #else
  64 // Anonymous enums don't have to match, no errors expected.
  65 int anonymousEnumValue = kAnonymousEnumValueFirst + kAnonymousEnumValueSecond;
  66 #endif
  67
  68 // Keep macros contained to one file.
  69 #ifdef FIRST
  70 #undef FIRST
  71 #endif
  72
  73 #ifdef SECOND
  74 #undef SECOND
  75 #endif