1 files changed, 0 insertions, 306 deletions
diff --git a/pkg/bitmap/bitmap_test.go b/pkg/bitmap/bitmap_test.go
deleted file mode 100644
index 76ebd779f..000000000
--- a/pkg/bitmap/bitmap_test.go
+++ /dev/null
@@ -1,306 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package bitmap
-
-import (
-	"math"
-	"reflect"
-	"testing"
-)
-
-// generateFilledSlice generates a slice fill with numbers.
-func generateFilledSlice(min, max, length int) []uint32 {
-	if max == min {
-		return []uint32{uint32(min)}
-	}
-	if length > (max - min) {
-		return nil
-	}
-	randSlice := make([]uint32, length)
-	if length != 0 {
-		rangeNum := uint32((max - min) / length)
-		randSlice[0], randSlice[length-1] = uint32(min), uint32(max)
-		for i := 1; i < length-1; i++ {
-			randSlice[i] = randSlice[i-1] + rangeNum
-		}
-	}
-	return randSlice
-}
-
-// generateFilledBitmap generates a Bitmap filled with fillNum of numbers,
-// and returns the slice and bitmap.
-func generateFilledBitmap(min, max, fillNum int) ([]uint32, Bitmap) {
-	bitmap := New(uint32(max))
-	randSlice := generateFilledSlice(min, max, fillNum)
-	for i := 0; i < fillNum; i++ {
-		bitmap.Add(randSlice[i])
-	}
-	return randSlice, bitmap
-}
-
-func TestNewBitmap(t *testing.T) {
-	tests := []struct {
-		name       string
-		size       int
-		expectSize int
-	}{
-		{"length 1", 1, 1},
-		{"length 1024", 1024, 16},
-		{"length 1025", 1025, 17},
-	}
-
-	for _, tt := range tests {
-		tt := tt
-		t.Run(tt.name, func(t *testing.T) {
-			if bitmap := New(uint32(tt.size)); len(bitmap.bitBlock) != tt.expectSize {
-				t.Errorf("New created bitmap with %v, bitBlock size: %d, wanted: %d", tt.name, len(bitmap.bitBlock), tt.expectSize)
-			}
-		})
-	}
-}
-
-func TestAdd(t *testing.T) {
-	tests := []struct {
-		name       string
-		bitmapSize int
-		addNum     int
-	}{
-		{"Add with null bitmap.bitBlock", 0, 10},
-		{"Add without extending bitBlock", 64, 10},
-		{"Add without extending bitblock with margin number", 63, 64},
-		{"Add with extended one block", 1024, 1025},
-		{"Add with extended more then one block", 1024, 2048},
-	}
-
-	for _, tt := range tests {
-		tt := tt
-		t.Run(tt.name, func(t *testing.T) {
-			bitmap := New(uint32(tt.bitmapSize))
-			bitmap.Add(uint32(tt.addNum))
-			bitmapSlice := bitmap.ToSlice()
-			if bitmapSlice[0] != uint32(tt.addNum) {
-				t.Errorf("%v, get number: %d, wanted: %d.", tt.name, bitmapSlice[0], tt.addNum)
-			}
-		})
-	}
-}
-
-func TestRemove(t *testing.T) {
-	bitmap := New(uint32(1024))
-	firstSlice := generateFilledSlice(0, 511, 50)
-	secondSlice := generateFilledSlice(512, 1024, 50)
-	for i := 0; i < 50; i++ {
-		bitmap.Add(firstSlice[i])
-		bitmap.Add(secondSlice[i])
-	}
-
-	for i := 0; i < 50; i++ {
-		bitmap.Remove(firstSlice[i])
-	}
-	bitmapSlice := bitmap.ToSlice()
-	if !reflect.DeepEqual(bitmapSlice, secondSlice) {
-		t.Errorf("After Remove() firstSlice, remained slice: %v, wanted: %v", bitmapSlice, secondSlice)
-	}
-
-	for i := 0; i < 50; i++ {
-		bitmap.Remove(secondSlice[i])
-	}
-	bitmapSlice = bitmap.ToSlice()
-	emptySlice := make([]uint32, 0)
-	if !reflect.DeepEqual(bitmapSlice, emptySlice) {
-		t.Errorf("After Remove secondSlice, remained slice: %v, wanted: %v", bitmapSlice, emptySlice)
-	}
-
-}
-
-// Verify flip bits within one bitBlock, one bit and bits cross multi bitBlocks.
-func TestFlipRange(t *testing.T) {
-	tests := []struct {
-		name           string
-		flipRangeMin   int
-		flipRangeMax   int
-		filledSliceLen int
-	}{
-		{"Flip one number in bitmap", 77, 77, 1},
-		{"Flip numbers within one bitBlocks", 5, 60, 20},
-		{"Flip numbers that cross multi bitBlocks", 20, 1000, 300},
-	}
-
-	for _, tt := range tests {
-		tt := tt
-		t.Run(tt.name, func(t *testing.T) {
-			fillSlice, bitmap := generateFilledBitmap(tt.flipRangeMin, tt.flipRangeMax, tt.filledSliceLen)
-			flipFillSlice := make([]uint32, 0)
-			for i, j := tt.flipRangeMin, 0; i <= tt.flipRangeMax; i++ {
-				if uint32(i) != fillSlice[j] {
-					flipFillSlice = append(flipFillSlice, uint32(i))
-				} else {
-					j++
-				}
-			}
-
-			bitmap.FlipRange(uint32(tt.flipRangeMin), uint32(tt.flipRangeMax+1))
-			flipBitmapSlice := bitmap.ToSlice()
-			if !reflect.DeepEqual(flipFillSlice, flipBitmapSlice) {
-				t.Errorf("%v, flipped slice: %v, wanted: %v", tt.name, flipBitmapSlice, flipFillSlice)
-			}
-		})
-	}
-}
-
-// Verify clear bits within one bitBlock, one bit and bits cross multi bitBlocks.
-func TestClearRange(t *testing.T) {
-	tests := []struct {
-		name          string
-		clearRangeMin int
-		clearRangeMax int
-		bitmapSize    int
-	}{
-		{"ClearRange clear one number", 5, 5, 64},
-		{"ClearRange clear numbers within one bitBlock", 4, 61, 64},
-		{"ClearRange clear numbers cross multi bitBlocks", 20, 254, 512},
-	}
-
-	for _, tt := range tests {
-		tt := tt
-		t.Run(tt.name, func(t *testing.T) {
-			bitmap := New(uint32(tt.bitmapSize))
-			bitmap.FlipRange(uint32(0), uint32(tt.bitmapSize))
-			bitmap.ClearRange(uint32(tt.clearRangeMin), uint32(tt.clearRangeMax+1))
-			clearedBitmapSlice := bitmap.ToSlice()
-			clearedSlice := make([]uint32, 0)
-			for i := 0; i < tt.bitmapSize; i++ {
-				if i < tt.clearRangeMin || i > tt.clearRangeMax {
-					clearedSlice = append(clearedSlice, uint32(i))
-				}
-			}
-			if !reflect.DeepEqual(clearedSlice, clearedBitmapSlice) {
-				t.Errorf("%v, cleared slice: %v, wanted: %v", tt.name, clearedBitmapSlice, clearedSlice)
-			}
-		})
-
-	}
-}
-
-func TestMinimum(t *testing.T) {
-	randSlice, bitmap := generateFilledBitmap(0, 1024, 200)
-	min := bitmap.Minimum()
-	if min != randSlice[0] {
-		t.Errorf("Minimum() returns: %v, wanted: %v", min, randSlice[0])
-	}
-
-	bitmap.ClearRange(uint32(0), uint32(200))
-	min = bitmap.Minimum()
-	bitmapSlice := bitmap.ToSlice()
-	if min != bitmapSlice[0] {
-		t.Errorf("After ClearRange, Minimum() returns: %v, wanted: %v", min, bitmapSlice[0])
-	}
-
-	bitmap.FlipRange(uint32(2), uint32(11))
-	min = bitmap.Minimum()
-	bitmapSlice = bitmap.ToSlice()
-	if min != bitmapSlice[0] {
-		t.Errorf("After Flip, Minimum() returns: %v, wanted: %v", min, bitmapSlice[0])
-	}
-}
-
-func TestMaximum(t *testing.T) {
-	randSlice, bitmap := generateFilledBitmap(0, 1024, 200)
-	max := bitmap.Maximum()
-	if max != randSlice[len(randSlice)-1] {
-		t.Errorf("Maximum() returns: %v, wanted: %v", max, randSlice[len(randSlice)-1])
-	}
-
-	bitmap.ClearRange(uint32(1000), uint32(1025))
-	max = bitmap.Maximum()
-	bitmapSlice := bitmap.ToSlice()
-	if max != bitmapSlice[len(bitmapSlice)-1] {
-		t.Errorf("After ClearRange, Maximum() returns: %v, wanted: %v", max, bitmapSlice[len(bitmapSlice)-1])
-	}
-
-	bitmap.FlipRange(uint32(1001), uint32(1021))
-	max = bitmap.Maximum()
-	bitmapSlice = bitmap.ToSlice()
-	if max != bitmapSlice[len(bitmapSlice)-1] {
-		t.Errorf("After Flip, Maximum() returns: %v, wanted: %v", max, bitmapSlice[len(bitmapSlice)-1])
-	}
-}
-
-func TestBitmapNumOnes(t *testing.T) {
-	randSlice, bitmap := generateFilledBitmap(0, 1024, 200)
-	bitmapOnes := bitmap.GetNumOnes()
-	if bitmapOnes != uint32(200) {
-		t.Errorf("GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 200)
-	}
-	// Remove 10 numbers.
-	for i := 5; i < 15; i++ {
-		bitmap.Remove(randSlice[i])
-	}
-	bitmapOnes = bitmap.GetNumOnes()
-	if bitmapOnes != uint32(190) {
-		t.Errorf("After Remove 10 number, GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 190)
-	}
-	// Remove the 10 number again, the length supposed not change.
-	for i := 5; i < 15; i++ {
-		bitmap.Remove(randSlice[i])
-	}
-	bitmapOnes = bitmap.GetNumOnes()
-	if bitmapOnes != uint32(190) {
-		t.Errorf("After Remove the 10 number again, GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 190)
-	}
-
-	// Add 10 number.
-	for i := 1080; i < 1090; i++ {
-		bitmap.Add(uint32(i))
-	}
-	bitmapOnes = bitmap.GetNumOnes()
-	if bitmapOnes != uint32(200) {
-		t.Errorf("After Add 10 number, GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 200)
-	}
-
-	// Add the 10 number again, the length supposed not change.
-	for i := 1080; i < 1090; i++ {
-		bitmap.Add(uint32(i))
-	}
-	bitmapOnes = bitmap.GetNumOnes()
-	if bitmapOnes != uint32(200) {
-		t.Errorf("After Add the 10 number again, GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 200)
-	}
-
-	// Flip 10 bits from 0 to 1.
-	bitmap.FlipRange(uint32(1025), uint32(1035))
-	bitmapOnes = bitmap.GetNumOnes()
-	if bitmapOnes != uint32(210) {
-		t.Errorf("After Flip, GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 210)
-	}
-
-	// ClearRange numbers range from [0, 1025).
-	bitmap.ClearRange(uint32(0), uint32(1025))
-	bitmapOnes = bitmap.GetNumOnes()
-	if bitmapOnes != uint32(20) {
-		t.Errorf("After ClearRange, GetNumOnes() returns: %v, wanted: %v", bitmapOnes, 20)
-	}
-}
-
-func TestFirstZero(t *testing.T) {
-	bitmap := New(uint32(1000))
-	bitmap.FlipRange(200, 400)
-	for i, j := range map[uint32]uint32{0: 0, 201: 400, 200: 400, 199: 199, 400: 400, 10000: math.MaxInt32} {
-		v := bitmap.FirstZero(i)
-		if v != j {
-			t.Errorf("Minimum() returns: %v, wanted: %v", v, j)
-		}
-	}
-}