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package counts_test
import (
"testing"
"github.com/github/git-sizer/counts"
"github.com/stretchr/testify/assert"
)
func TestCount32(t *testing.T) {
assert := assert.New(t)
var value uint64
var overflow bool
c := counts.NewCount32(0)
value, overflow = c.ToUint64()
assert.Equalf(uint64(0), value, "NewCount32(0).ToUint64() should be 0")
assert.False(overflow, "NewCount32(0).ToUint64() does not overflow")
c.Increment(counts.Count32(0xf0000000))
value, overflow = c.ToUint64()
assert.Equalf(uint64(0xf0000000), value, "Count32(0xf0000000).ToUint64() value")
assert.False(overflow, "NewCount32(0xf0000000).ToUint64() does not overflow")
c.Increment(counts.Count32(0xf0000000))
value, overflow = c.ToUint64()
assert.Equalf(uint64(0xffffffff), value, "Count32(0xffffffff).ToUint64() value")
assert.True(overflow, "NewCount32(0xffffffff).ToUint64() overflows")
}
func TestCount64(t *testing.T) {
assert := assert.New(t)
var value uint64
var overflow bool
c := counts.NewCount64(0)
value, overflow = c.ToUint64()
assert.Equalf(uint64(0), value, "NewCount64(0).ToUint64() should be 0")
assert.False(overflow, "NewCount64(0).ToUint64() does not overflow")
c.Increment(counts.Count64(0xf000000000000000))
value, overflow = c.ToUint64()
assert.Equalf(uint64(0xf000000000000000), value, "Count64(0xf000000000000000).ToUint64() value")
assert.False(overflow, "NewCount64(0xf000000000000000).ToUint64() does not overflow")
c.Increment(counts.Count64(0xf000000000000000))
value, overflow = c.ToUint64()
assert.Equalf(uint64(0xffffffffffffffff), value, "Count64(0xffffffffffffffff).ToUint64() value")
assert.True(overflow, "NewCount64(0xffffffffffffffff).ToUint64() overflows")
}
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