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#include <assert.h>
int main(int argc, char *argv[])
{
// Test how well we can represent structs of pointers
int a1=0;
int a2=1;
int a3=2;
float b1=10.0f;
float b2=11.0f;
float b3=12.0f;
float b4=13.0f;
struct int_float
{
int *a;
float *b;
};
struct int_float x;
x.a=&a1;
x.b=&b1;
assert(x.a==&a1);
assert(x.a==&a2);
assert(x.b==&b1);
assert(x.b==&b2);
assert(*x.a==0);
assert(*x.a==100);
assert(*x.b==10.0f);
assert(*x.b==110.0f);
// Test merging when there is only one value on both paths
if(argc>2)
{
x.a=&a1;
x.b=&b1;
}
assert(x.a==&a1);
assert(x.a==&a2);
assert(*x.a==0);
assert(*x.a==100);
// Test merging when there is one value for a and two values for b, to test if
// we are representing them separately
if(argc>3)
{
x.a=&a1;
x.b=&b2;
}
assert(x.a==&a1);
assert(x.b==&b2);
assert(x.b==&b3);
assert(*x.a==0);
assert(*x.b==11.0f);
assert(*x.b==12.0f);
// Test merging when there are two values for a and b
if(argc>4)
{
x.a=&a2;
x.b=&b3;
}
assert(x.a==&a2);
assert(x.a==&a3);
assert(x.b==&b3);
assert(x.b==&b4);
assert(*x.a==1);
assert(*x.a==2);
assert(*x.b==12.0f);
assert(*x.b==13.0f);
return 0;
}
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