mirror of https://github.com/rui314/chibicc
24 lines
1.1 KiB
C
24 lines
1.1 KiB
C
#include "test.h"
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int main() {
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ASSERT(8, ({ union { int a; char b[6]; } x; sizeof(x); }));
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ASSERT(3, ({ union { int a; char b[4]; } x; x.a = 515; x.b[0]; }));
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ASSERT(2, ({ union { int a; char b[4]; } x; x.a = 515; x.b[1]; }));
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ASSERT(0, ({ union { int a; char b[4]; } x; x.a = 515; x.b[2]; }));
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ASSERT(0, ({ union { int a; char b[4]; } x; x.a = 515; x.b[3]; }));
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ASSERT(3, ({ union {int a,b;} x,y; x.a=3; y.a=5; y=x; y.a; }));
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ASSERT(3, ({ union {struct {int a,b;} c;} x,y; x.c.b=3; y.c.b=5; y=x; y.c.b; }));
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ASSERT(0xef, ({ union { struct { unsigned char a,b,c,d; }; long e; } x; x.e=0xdeadbeef; x.a; }));
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ASSERT(0xbe, ({ union { struct { unsigned char a,b,c,d; }; long e; } x; x.e=0xdeadbeef; x.b; }));
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ASSERT(0xad, ({ union { struct { unsigned char a,b,c,d; }; long e; } x; x.e=0xdeadbeef; x.c; }));
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ASSERT(0xde, ({ union { struct { unsigned char a,b,c,d; }; long e; } x; x.e=0xdeadbeef; x.d; }));
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ASSERT(3, ({struct { union { int a,b; }; union { int c,d; }; } x; x.a=3; x.b; }));
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ASSERT(5, ({struct { union { int a,b; }; union { int c,d; }; } x; x.d=5; x.c; }));
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printf("OK\n");
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return 0;
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}
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