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Add regression testcase

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This commit is contained in:
Olly Betts 2017-10-07 11:59:42 +13:00
commit 5d14a7d910
1 changed files with 39 additions and 0 deletions
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39
Examples/test-suite/preproc.i
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@ -388,3 +388,42 @@ TCX_PACKED (typedef struct tcxMessageBugImpl
}) tcxMessageBug;
%}
// Regression tests for https://github.com/swig/swig/pull/1111
%{
static int foo_func(int x) { return x; }
static int foo_func2() { return 0; }
static int bar_func() { return 0; }
static int baz_func(int a, int b, int c) { return a + b - c; }
%}
%inline %{
#define FOO(X) int foo_func(X);
#define FOO2(X) int foo_func2(X);
#define BAR() int bar_func();
#define BAR2() int bar_func2()
#define BAZ(A,B,C) baz_func(A+0,B,C)
#define FOOVAR(...) foo_func(__VA_ARGS__)
#define BARVAR(...) bar_func(__VA_ARGS__)
#define BAZVAR(...) baz_func(__VA_ARGS__)
// This has probably always worked, but make sure that the fix to accept
// an empty X doesn't cause this case to be incorrectly expanded:
const int FOO = 7;
// BAR was incorrectly expanded here, causing:
// Error: Syntax error in input(1).
const int BAR = 6;
// This has probably always worked, but make sure that the fix to accept
// an empty X doesn't stop a non-empty X from working:
FOO(int x)
// FOO() didn't used to get expanded here, causing:
// Syntax error in input(1).
FOO2()
// Check BAR2() still gets expanded here.
BAR2() {
// Regression test - this used to fail with:
// Error: Macro 'BAZ' expects 3 arguments
BAZ(,2,3);
BARVAR();
FOOVAR(1);
BAZVAR(1,2,3);
return 0;
}
%}