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|
package common_test
import (
"testing"
"github.com/wader/fq/format/postgres/common"
)
func TestTypeAlign(t *testing.T) {
expected0 := common.TypeAlign(8192, 8192+0)
if expected0 != 8192 {
t.Errorf("must be 8192\n")
}
expected1 := common.TypeAlign(8192, 8192+100)
if expected1 != 8192*2 {
t.Errorf("must be 8192*2\n")
}
expected2 := common.TypeAlign(8192, 0)
if expected2 != 0 {
t.Errorf("must be 0\n")
}
expected3 := common.TypeAlign(8192, 700)
if expected3 != 8192 {
t.Errorf("must be 8192\n")
}
expected4 := common.TypeAlign(8192, 8192*2+5000)
if expected4 != 8192*3 {
t.Errorf("must be 8192*3\n")
}
expected5 := common.TypeAlign(8192, 114720)
if expected5 != 122880 {
t.Errorf("must be 8192*3\n")
}
}
func TestTypeAlign8(t *testing.T) {
expected39 := common.TypeAlign8(39)
if expected39 != 40 {
t.Errorf("must be 40\n")
}
expected41 := common.TypeAlign8(41)
if expected41 != 48 {
t.Errorf("must be 40\n")
}
}
func TestRoundDown(t *testing.T) {
const pageSize1 = 8192
expected1 := common.RoundDown(pageSize1, 7*pageSize1+35)
if expected1 != 7*pageSize1 {
t.Errorf("must be %d\n", 7*pageSize1)
}
expected2 := common.RoundDown(pageSize1, 7*pageSize1-1)
if expected2 != 6*pageSize1 {
t.Errorf("must be %d\n", 6*pageSize1)
}
const pageSize2 = 7744
expected3 := common.RoundDown(pageSize2, 15*pageSize2+61)
if expected3 != 15*pageSize2 {
t.Errorf("must be %d\n", 15*pageSize2)
}
expected4 := common.RoundDown(pageSize2, 3*pageSize2-15)
if expected4 != 2*pageSize2 {
t.Errorf("must be %d\n", 2*pageSize2)
}
expected5 := common.RoundDown(pageSize1, 5*pageSize1)
if expected5 != 5*pageSize1 {
t.Errorf("must be %d\n", 5*pageSize1)
}
}
func TestIsMaskSet(t *testing.T) {
m1 := common.IsMaskSet(0xff+0x1221000, 0xf0)
if m1 != 1 {
t.Errorf("mask must be set\n")
}
m2 := common.IsMaskSet(0xff+0x1221000, 0xf00)
if m2 != 0 {
t.Errorf("mask must be 0\n")
}
}
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