dmd/compiler/test/runnable/powinline.d

64 lines
1 KiB
D

/*
REQUIRED_ARGS: -betterC
RUN_OUTPUT:
---
Success
---
*/
import core.stdc.stdio;
void test1()
{
enum real Two = 2.0;
static assert(Two^^3 == 8.0);
}
void test2()
{
double x = 5.0;
assert(x^^-1 == 1/x);
x = -1.0;
assert(x^^1 == x);
assert((x += 3) ^^ 2.0 == 4.0);
assert((x) ^^ 2.0 == 4.0);
assert((x *= 5) ^^ 2.0 == (x * x));
assert(x^^-1 == 1.0 / x);
assert((x^^-1) ^^ 0.0 == 1.0);
}
void test3()
{
int x = 6;
assert(x ^^ 0 == 1);
assert((x += 3) ^^ 2 == 81);
assert(x ^^ 2 == (x ^^ 1) * (x ^^ 1));
static assert(4.0 ^^ -1 == 0.25);
}
void test4()
{
// Test that LHS side effects are evaluated.
int count = 0;
double x()
{
count++;
return 8.0;
}
assert(x ^^ -1 == 1.0 / 8.0);
assert(count == 1);
assert(x ^^ 0 == 1.0);
assert(count == 2);
assert(x ^^ 1 == 8.0);
assert(count == 3);
assert(x ^^ 2 == 64.0);
assert(count == 4);
}
extern(C) void main()
{
test1();
test2();
test3();
test4();
printf("Success\n");
}