xref: /llvm-project/clang/test/Preprocessor/embed_parameter_if_empty.c (revision 41c6e4379204ffc00948edd33d59ba5ebbceaba2)
1*41c6e437SMariya Podchishchaeva // RUN: %clang_cc1 -std=c23 %s --embed-dir=%S/Inputs -fsyntax-only -verify
2*41c6e437SMariya Podchishchaeva 
3*41c6e437SMariya Podchishchaeva const char data[] = {
4*41c6e437SMariya Podchishchaeva #embed <media/empty> if_empty(123, 124, 125)
5*41c6e437SMariya Podchishchaeva };
6*41c6e437SMariya Podchishchaeva const char non_empty_data[] = {
7*41c6e437SMariya Podchishchaeva #embed <jk.txt> if_empty(123, 124, 125)
8*41c6e437SMariya Podchishchaeva };
9*41c6e437SMariya Podchishchaeva static_assert(sizeof(data) == 3);
10*41c6e437SMariya Podchishchaeva static_assert(123 == data[0]);
11*41c6e437SMariya Podchishchaeva static_assert(124 == data[1]);
12*41c6e437SMariya Podchishchaeva static_assert(125 == data[2]);
13*41c6e437SMariya Podchishchaeva static_assert(sizeof(non_empty_data) == 2);
14*41c6e437SMariya Podchishchaeva static_assert('j' == non_empty_data[0]);
15*41c6e437SMariya Podchishchaeva static_assert('k' == non_empty_data[1]);
16*41c6e437SMariya Podchishchaeva 
17*41c6e437SMariya Podchishchaeva // Ensure we diagnose duplicate parameters even if they're the same value.
18*41c6e437SMariya Podchishchaeva const unsigned char a[] = {
19*41c6e437SMariya Podchishchaeva #embed <jk.txt> if_empty(1) prefix() if_empty(2)
20*41c6e437SMariya Podchishchaeva // expected-error@-1 {{cannot specify parameter 'if_empty' twice in the same '#embed' directive}}
21*41c6e437SMariya Podchishchaeva ,
22*41c6e437SMariya Podchishchaeva #embed <jk.txt> if_empty(1) suffix() if_empty(2)
23*41c6e437SMariya Podchishchaeva // expected-error@-1 {{cannot specify parameter 'if_empty' twice in the same '#embed' directive}}
24*41c6e437SMariya Podchishchaeva };
25