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package proc
import (
"testing"
)
func TestAlignAddr(t *testing.T) {
c := func(align, in, tgt int64) {
out := alignAddr(in, align)
if out != tgt {
t.Errorf("alignAddr(%x, %x) = %x, expected %x", in, align, out, tgt)
}
}
for i := int64(0); i <= 0xf; i++ {
c(1, i, i)
c(1, i+0x10000, i+0x10000)
}
for _, example := range []struct{ align, in, tgt int64 }{
{2, 0, 0},
{2, 1, 2},
{2, 2, 2},
{2, 3, 4},
{2, 4, 4},
{2, 5, 6},
{2, 6, 6},
{2, 7, 8},
{2, 8, 8},
{2, 9, 0xa},
{2, 0xa, 0xa},
{2, 0xb, 0xc},
{2, 0xc, 0xc},
{2, 0xd, 0xe},
{2, 0xe, 0xe},
{2, 0xf, 0x10},
{4, 0, 0},
{4, 1, 4},
{4, 2, 4},
{4, 3, 4},
{4, 4, 4},
{4, 5, 8},
{4, 6, 8},
{4, 7, 8},
{4, 8, 8},
{4, 9, 0xc},
{4, 0xa, 0xc},
{4, 0xb, 0xc},
{4, 0xc, 0xc},
{4, 0xd, 0x10},
{4, 0xe, 0x10},
{4, 0xf, 0x10},
{8, 0, 0},
{8, 1, 8},
{8, 2, 8},
{8, 3, 8},
{8, 4, 8},
{8, 5, 8},
{8, 6, 8},
{8, 7, 8},
{8, 8, 8},
{8, 9, 0x10},
{8, 0xa, 0x10},
{8, 0xb, 0x10},
{8, 0xc, 0x10},
{8, 0xd, 0x10},
{8, 0xe, 0x10},
{8, 0xf, 0x10},
} {
c(example.align, example.in, example.tgt)
c(example.align, example.in+0x10000, example.tgt+0x10000)
}
}
func TestConvertInt(t *testing.T) {
var testCases = []struct {
in uint64
signed bool
size int64
tgt uint64
}{
{1, false, 1, 1},
{uint64(0xf0), true, 1, 0xfffffffffffffff0},
{uint64(0xf0), false, 1, 0xf0},
{uint64(0x70), true, 1, 0x70},
{uint64(0x90f0), true, 2, 0xffffffffffff90f0},
{uint64(0x90f0), false, 2, 0x90f0},
}
for _, tc := range testCases {
out := convertInt(tc.in, tc.signed, tc.size)
t.Logf("in=%#016x signed=%v size=%d -> %#016x\n", tc.in, tc.signed, tc.size, out)
if out != tc.tgt {
t.Errorf("expected=%#016x got=%#016x\n", tc.tgt, out)
}
}
}
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