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cat <<'EOF' > expected
int printf ();
int foobar = 100;
int prefix_test = 200;
int test_suffix = 300;
int var_1 = 10;
int var_2 = 20;
int var_A = 30;
int number_12 = 12;
int bazqux = 42;
int main () {
printf ( foobar=%d\n, foobar);
printf ( prefix_test=%d\n, prefix_test);
printf ( test_suffix=%d\n, test_suffix);
printf ( var_1=%d\n, var_1);
printf ( var_2=%d\n, var_2);
printf ( var_A=%d\n, var_A);
printf ( number_12=%d\n, number_12);
return 0;
}
EOF
test_cpp <<'EOF'
int printf();
#define CONCAT(a, b) a##b
#define PREFIX(name) prefix_##name
#define SUFFIX(name) name##_suffix
int CONCAT(foo, bar) = 100;
int PREFIX(test) = 200;
int SUFFIX(test) = 300;
#define MAKE_VAR(n) var_##n
int MAKE_VAR(1) = 10;
int MAKE_VAR(2) = 20;
#define A 0
int MAKE_VAR(A) = 30;
#define NUMBER(x, y) number_##x##y
int NUMBER(1, 2) = 12;
#define CONCAT2(a, b) a ## b
int CONCAT2(baz, qux) = 42;
int main() {
printf("foobar=%d\n", foobar);
printf("prefix_test=%d\n", prefix_test);
printf("test_suffix=%d\n", test_suffix);
printf("var_1=%d\n", var_1);
printf("var_2=%d\n", var_2);
printf("var_A=%d\n", var_A);
printf("number_12=%d\n", number_12);
return 0;
}
EOF
cat <<'EOF' > expected
int printf ( const char *, ...);
int H ( int n) { return n; }
int main () {
printf ( %d\n, H ( 123));
}
EOF
test_cpp <<'EOF'
int printf(const char*, ...);
#define F(x) CHECK(G(x))
#define G(x) CHECK(H(x))
#define CHECK(x) x
int H(int n) { return n; }
int main() {
printf("%d\n", F(123));
}
EOF
test_exit_code 0 <<'EOF'
#include <helpers.h>
int strcmp(const char*, const char*);
#define FOO 42
#define TO_STRING(x) TO_STRING_HELPER(x)
#define TO_STRING_HELPER(x) #x
#define BAR TO_STRING(FOO)
#define TO_STRING2(x) #x
#define BAZ TO_STRING2(FOO)
int main() {
ASSERT_EQ(0, strcmp("42", BAR));
ASSERT_EQ(0, strcmp("FOO", BAZ));
}
EOF
test_exit_code 0 <<'EOF'
#include <helpers.h>
#define CONCAT3(x, y, z) x##y##z
#define FOO CONCAT3(, 2, 3)
#define BAR CONCAT3(1, , 3)
#define BAZ CONCAT3(1, 2, )
int main() {
ASSERT_EQ(23, FOO);
ASSERT_EQ(13, BAR);
ASSERT_EQ(12, BAZ);
}
EOF
cat <<'EOF' > expected
foo
EOF
test_cpp <<'EOF'
#define CONCAT(x, y) x ## y
#define CONCAT2(name, r) CONCAT(name, r)
CONCAT2(foo,)
EOF
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