1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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17
18
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20
21
22
23
24
25
26
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34
35
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38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
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100
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102
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105
106
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cat <<'EOF' > expected
42
246
221
EOF
test_diff <<'EOF'
int printf();
#define A(x) x
#define B(x) x+x
#define C(x, y) x*y
int main() {
printf("%d\n", A(42));
printf("%d\n", B
(123));
printf("%d\n", C (13, 17));
}
EOF
cat <<'EOF' > expected
123
EOF
test_diff <<'EOF'
#define A(x) x
int printf();
int main() {
printf("%d\n", A ( 123 ));
}
EOF
cat <<'EOF' > expected
main.c:4: expected ')', but got '<new-line>'
EOF
test_compile_error <<'EOF'
#define A(x) x
int main() {
#if A (
123) < A(345)
printf("1\n");
#endif
}
EOF
cat <<'EOF' > expected
42
100 200
300
0
1 2 3
15
42
123
879
EOF
test_diff <<'EOF'
int printf();
#define ADD(a, b) ((a) + (b))
#define PRINT_TWO(x, y) printf("%d %d\n", x, y)
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define NESTED(x) (x)
#define CONCAT3(a, b, c) a ## b ## c
int main() {
printf("%d\n", ADD(40, 2));
PRINT_TWO(100, 200);
printf("%d\n", MAX(100 + 200, 250));
printf("%d\n");
NESTED((printf("1 "), printf("2 "), printf("3\n"), 0));
int x = 5, y = 10;
printf("%d\n", ADD(x + 2, y - 2));
printf("%d\n", ADD(MAX(10, 20), MAX(15 + 5, 22)));
printf("%d\n", ADD( 100 , 23 ));
printf("%d\n", ADD(NESTED((100 + 200)), MAX((123 + 456), (111 + 222))));
}
EOF
cat <<'EOF' > expected
42
123
EOF
test_diff <<'EOF'
int printf(const char*, ...);
int main() {
// TODO: check if "foo" is expanded to "foo" or not once '#' operator is implemented.
#define foo foo
int foo = 42;
printf("%d\n", foo);
// TODO: check if "a" is expanded to "a" or not once '#' operator is implemented.
#define a b
#define b c
#define c a
int a = 123;
printf("%d\n", a);
}
EOF
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