forked from stretchr/bits
/
bits_test.go
249 lines (152 loc) · 3.99 KB
/
bits_test.go
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package bits
import (
"github.com/stretchr/testify/assert"
"testing"
)
func TestMakeBits(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.Equal(t, b.bits, bitMask)
}
}
func TestBits(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.Equal(t, b.Bits(), bitMask)
}
}
func TestReset(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
b.Reset()
assert.Condition(t, func() bool {
return b.bits == 0
})
}
}
func TestSet(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.NotEqual(t, b.bits, bitMask|1<<4)
b.Set(4)
assert.Equal(t, b.bits, bitMask|1<<4)
}
}
func TestSetMask(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<2 | 1<<3
var newMask uint64 = 1<<1 | 1<<4
var resultMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<4
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.NotEqual(t, b.bits, newMask)
b.SetMask(newMask)
assert.Equal(t, b.bits, resultMask)
}
}
func TestSetBits(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<2 | 1<<3
var newMask uint64 = 1<<1 | 1<<4
var resultMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<4
b := MakeBits(bitMask)
b2 := MakeBits(newMask)
if assert.NotNil(t, b) {
assert.NotEqual(t, b.bits, newMask)
b.SetBits(b2)
assert.Equal(t, b.bits, resultMask)
}
}
func TestTest(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.Equal(t, b.Test(2), true)
}
}
func TestTestMask(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var newMask uint64 = 1<<1 | 1<<3
var badMask uint64 = 1<<1 | 1<<4
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.True(t, b.TestMask(newMask))
assert.False(t, b.TestMask(badMask))
}
}
func TestTestBits(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var newMask uint64 = 1<<1 | 1<<3
var badMask uint64 = 1<<1 | 1<<4
b := MakeBits(bitMask)
b2 := MakeBits(newMask)
b3 := MakeBits(badMask)
if assert.NotNil(t, b) {
assert.True(t, b.TestBits(b2))
assert.False(t, b.TestBits(b3))
}
}
func TestClear(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var targetbitMask uint64 = 1<<0 | 1<<1 | 1<<2
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.NotEqual(t, b.bits, targetbitMask)
b.Clear(3)
assert.Equal(t, b.bits, targetbitMask)
}
}
func TestClearMask(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var clearMask uint64 = 1<<1 | 1<<3
var newMask uint64 = 1<<0 | 1<<2
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
b.ClearMask(clearMask)
assert.Equal(t, b.bits, newMask)
}
}
func TestClearBits(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var clearMask uint64 = 1<<1 | 1<<3
var newMask uint64 = 1<<0 | 1<<2
b := MakeBits(bitMask)
b2 := MakeBits(clearMask)
if assert.NotNil(t, b) {
b.ClearBits(b2)
assert.Equal(t, b.bits, newMask)
}
}
func TestToggle(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var targetbitMask uint64 = 1<<0 | 1<<2 | 1<<3
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
assert.NotEqual(t, b.bits, targetbitMask)
b.Toggle(1)
assert.Equal(t, b.bits, targetbitMask)
}
}
func TestToggleMask(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var toggleMask uint64 = 1<<1 | 1<<3 | 1<<4
var newMask uint64 = 1<<0 | 1<<2 | 1<<4
b := MakeBits(bitMask)
if assert.NotNil(t, b) {
b.ToggleMask(toggleMask)
assert.Equal(t, b.bits, newMask)
}
}
func TestToggleBits(t *testing.T) {
var bitMask uint64 = 1<<0 | 1<<1 | 1<<2 | 1<<3
var toggleMask uint64 = 1<<1 | 1<<3 | 1<<4
var newMask uint64 = 1<<0 | 1<<2 | 1<<4
b := MakeBits(bitMask)
b2 := MakeBits(toggleMask)
if assert.NotNil(t, b) {
b.ToggleBits(b2)
assert.Equal(t, b.bits, newMask)
}
}