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