gf/g/container/garray/garray_z_unit_string_test.go

// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.

// go test *.go

package garray_test

import (
	"github.com/gogf/gf/g/container/garray"
	"github.com/gogf/gf/g/test/gtest"
	"github.com/gogf/gf/g/util/gconv"
	"strings"
	"testing"
)

func Test_StringArray_Basic(t *testing.T) {
	gtest.Case(t, func() {
		expect := []string{"0", "1", "2", "3"}
		array := garray.NewStringArrayFrom(expect)
		gtest.Assert(array.Slice(), expect)
		array.Set(0, "100")
		gtest.Assert(array.Get(0), 100)
		gtest.Assert(array.Get(1), 1)
		gtest.Assert(array.Search("100"), 0)
		gtest.Assert(array.Contains("100"), true)
		gtest.Assert(array.Remove(0), 100)
		gtest.Assert(array.Contains("100"), false)
		array.Append("4")
		gtest.Assert(array.Len(), 4)
		array.InsertBefore(0, "100")
		array.InsertAfter(0, "200")
		gtest.Assert(array.Slice(), []string{"100", "200", "1", "2", "3", "4"})
		array.InsertBefore(5, "300")
		array.InsertAfter(6, "400")
		gtest.Assert(array.Slice(), []string{"100", "200", "1", "2", "3", "300", "4", "400"})
		gtest.Assert(array.Clear().Len(), 0)
	})
}

func TestStringArray_Sort(t *testing.T) {
	gtest.Case(t, func() {
		expect1 := []string{"0", "1", "2", "3"}
		expect2 := []string{"3", "2", "1", "0"}
		array := garray.NewStringArray()
		for i := 3; i >= 0; i-- {
			array.Append(gconv.String(i))
		}
		array.Sort()
		gtest.Assert(array.Slice(), expect1)
		array.Sort(true)
		gtest.Assert(array.Slice(), expect2)
	})
}

func TestStringArray_Unique(t *testing.T) {
	gtest.Case(t, func() {
		expect := []string{"1", "1", "2", "3"}
		array := garray.NewStringArrayFrom(expect)
		gtest.Assert(array.Unique().Slice(), []string{"1", "2", "3"})
	})
}

func TestStringArray_PushAndPop(t *testing.T) {
	gtest.Case(t, func() {
		expect := []string{"0", "1", "2", "3"}
		array := garray.NewStringArrayFrom(expect)
		gtest.Assert(array.Slice(), expect)
		gtest.Assert(array.PopLeft(), "0")
		gtest.Assert(array.PopRight(), "3")
		gtest.AssertIN(array.PopRand(), []string{"1", "2"})
		gtest.AssertIN(array.PopRand(), []string{"1", "2"})
		gtest.Assert(array.Len(), 0)
		array.PushLeft("1").PushRight("2")
		gtest.Assert(array.Slice(), []string{"1", "2"})
	})
}

func TestStringArray_PopLeftsAndPopRights(t *testing.T) {
	gtest.Case(t, func() {
		value1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		value2 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(value1)
		array2 := garray.NewStringArrayFrom(value2)
		gtest.Assert(array1.PopLefts(2), []interface{}{"0", "1"})
		gtest.Assert(array1.Slice(), []interface{}{"2", "3", "4", "5", "6"})
		gtest.Assert(array1.PopRights(2), []interface{}{"5", "6"})
		gtest.Assert(array1.Slice(), []interface{}{"2", "3", "4"})
		gtest.Assert(array1.PopRights(20), []interface{}{"2", "3", "4"})
		gtest.Assert(array1.Slice(), []interface{}{})
		gtest.Assert(array2.PopLefts(20), []interface{}{"0", "1", "2", "3", "4", "5", "6"})
		gtest.Assert(array2.Slice(), []interface{}{})
	})
}

func TestString_Range(t *testing.T) {
	gtest.Case(t, func() {
		value1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(value1)
		gtest.Assert(array1.Range(0, 1), []interface{}{"0"})
		gtest.Assert(array1.Range(1, 2), []interface{}{"1"})
		gtest.Assert(array1.Range(0, 2), []interface{}{"0", "1"})
		gtest.Assert(array1.Range(-1, 10), value1)
	})
}

func TestStringArray_Merge(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3"}
		a2 := []string{"4", "5", "6", "7"}
		array1 := garray.NewStringArrayFrom(a1)
		array2 := garray.NewStringArrayFrom(a2)
		gtest.Assert(array1.Merge(array2).Slice(), []string{"0", "1", "2", "3", "4", "5", "6", "7"})
	})
}

func TestStringArray_Fill(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0"}
		a2 := []string{"0"}
		array1 := garray.NewStringArrayFrom(a1)
		array2 := garray.NewStringArrayFrom(a2)
		gtest.Assert(array1.Fill(1, 2, "100").Slice(), []string{"0", "100", "100"})
		gtest.Assert(array2.Fill(0, 2, "100").Slice(), []string{"100", "100"})
		s1 := array2.Fill(-1, 2, "100")
		gtest.Assert(s1.Len(), 2)
	})
}

func TestStringArray_Chunk(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"1", "2", "3", "4", "5"}
		array1 := garray.NewStringArrayFrom(a1)
		chunks := array1.Chunk(2)
		gtest.Assert(len(chunks), 3)
		gtest.Assert(chunks[0], []string{"1", "2"})
		gtest.Assert(chunks[1], []string{"3", "4"})
		gtest.Assert(chunks[2], []string{"5"})
		gtest.Assert(len(array1.Chunk(0)), 0)

	})
}

func TestStringArray_Pad(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.Pad(3, "1").Slice(), []string{"0", "1", "1"})
		gtest.Assert(array1.Pad(-4, "1").Slice(), []string{"1", "0", "1", "1"})
		gtest.Assert(array1.Pad(3, "1").Slice(), []string{"1", "0", "1", "1"})
	})
}

func TestStringArray_SubSlice(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.SubSlice(0, 2), []string{"0", "1"})
		gtest.Assert(array1.SubSlice(2, 2), []string{"2", "3"})
		gtest.Assert(array1.SubSlice(5, 8), []string{"5", "6"})
	})
}

func TestStringArray_Rand(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(len(array1.Rands(2)), "2")
		gtest.Assert(len(array1.Rands(10)), "7")
		gtest.AssertIN(array1.Rands(1)[0], a1)
		gtest.Assert(len(array1.Rand()), 1)
		gtest.AssertIN(array1.Rand(), a1)

	})
}

func TestStringArray_PopRands(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "b", "c", "d", "e", "f", "g"}
		a2 := []string{"1", "2", "3", "4", "5", "6", "7"}
		array1 := garray.NewStringArrayFrom(a1)
		//todo gtest.AssertIN(array1.PopRands(1),a1)
		gtest.AssertIN(array1.PopRands(1), strings.Join(a1, ","))
		gtest.AssertNI(array1.PopRands(1), strings.Join(a2, ","))

	})
}

func TestStringArray_Shuffle(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.Shuffle().Len(), 7)
	})
}

func TestStringArray_Reverse(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.Reverse().Slice(), []string{"6", "5", "4", "3", "2", "1", "0"})
	})
}

func TestStringArray_Join(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.Join("."), "0.1.2.3.4.5.6")
	})
}

func TestNewStringArrayFromCopy(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		a2 := garray.NewStringArrayFromCopy(a1)
		a3 := garray.NewStringArrayFromCopy(a1, true)
		gtest.Assert(a2.Contains("1"), true)
		gtest.Assert(a2.Len(), 7)
		gtest.Assert(a2, a3)
	})
}

func TestStringArray_SetArray(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		a2 := []string{"a", "b", "c", "d"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.Contains("2"), true)
		gtest.Assert(array1.Len(), 7)

		array1 = array1.SetArray(a2)
		gtest.Assert(array1.Contains("2"), false)
		gtest.Assert(array1.Contains("c"), true)
		gtest.Assert(array1.Len(), 4)
	})
}

func TestStringArray_Replace(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		a2 := []string{"a", "b", "c", "d"}
		a3 := []string{"o", "p", "q", "x", "y", "z", "w", "r", "v"}
		array1 := garray.NewStringArrayFrom(a1)
		gtest.Assert(array1.Contains("2"), true)
		gtest.Assert(array1.Len(), 7)

		array1 = array1.Replace(a2)
		gtest.Assert(array1.Contains("2"), false)
		gtest.Assert(array1.Contains("c"), true)
		gtest.Assert(array1.Contains("5"), true)
		gtest.Assert(array1.Len(), 7)

		array1 = array1.Replace(a3)
		gtest.Assert(array1.Contains("2"), false)
		gtest.Assert(array1.Contains("c"), false)
		gtest.Assert(array1.Contains("5"), false)
		gtest.Assert(array1.Contains("p"), true)
		gtest.Assert(array1.Contains("r"), false)
		gtest.Assert(array1.Len(), 7)

	})
}

func TestStringArray_Sum(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		a2 := []string{"0", "a", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		array2 := garray.NewStringArrayFrom(a2)
		gtest.Assert(array1.Sum(), 21)
		gtest.Assert(array2.Sum(), 18)
	})
}

//func TestStringArray_SortFunc(t *testing.T) {
//    gtest.Case(t, func() {
//        a1 := []string{"0","1","2","3","4","5","6"}
//        //a2 := []string{"0","a","3","4","5","6"}
//        array1 := garray.NewStringArrayFrom(a1)
//
//        lesss:=func(v1,v2 string)bool{
//            if v1>v2{
//                return true
//            }
//            return false
//        }
//        gtest.Assert(array1.Len(),7)
//        gtest.Assert(lesss("1","2"),false)
//        gtest.Assert(array1.SortFunc(lesss("1","2"))  ,false)
//
//
//    })
//}

func TestStringArray_PopRand(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		str1 := array1.PopRand()
		gtest.Assert(strings.Contains("0,1,2,3,4,5,6", str1), true)
		gtest.Assert(array1.Len(), 6)
	})
}

func TestStringArray_Clone(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "5", "6"}
		array1 := garray.NewStringArrayFrom(a1)
		array2 := array1.Clone()
		gtest.Assert(array2, array1)
		gtest.Assert(array2.Len(), 7)
	})
}

func TestStringArray_CountValues(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"0", "1", "2", "3", "4", "4", "6"}
		array1 := garray.NewStringArrayFrom(a1)

		m1 := array1.CountValues()
		gtest.Assert(len(m1), 6)
		gtest.Assert(m1["2"], 1)
		gtest.Assert(m1["4"], 2)

	})
}

func TestNewSortedStringArrayFrom(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "d", "c", "b"}
		s1 := garray.NewSortedStringArrayFrom(a1, true)
		gtest.Assert(s1, []string{"a", "b", "c", "d"})
		s2 := garray.NewSortedStringArrayFrom(a1, false)
		gtest.Assert(s2, []string{"a", "b", "c", "d"})
	})
}

func TestNewSortedStringArrayFromCopy(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "d", "c", "b"}
		s1 := garray.NewSortedStringArrayFromCopy(a1, true)
		gtest.Assert(s1.Len(), 4)
		gtest.Assert(s1, []string{"a", "b", "c", "d"})
	})
}

func TestSortedStringArray_SetArray(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "d", "c", "b"}
		a2 := []string{"f", "g", "h"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		array1.SetArray(a2)
		gtest.Assert(array1.Len(), 3)
		gtest.Assert(array1.Contains("d"), false)
		gtest.Assert(array1.Contains("b"), false)
		gtest.Assert(array1.Contains("g"), true)

	})
}

func TestSortedStringArray_Sort(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)

		gtest.Assert(array1, []string{"a", "b", "c", "d"})
		array1.Sort() //todo 这个SortedStringArray.sort这个方法没有必要，
		gtest.Assert(array1.Len(), 4)
		gtest.Assert(array1.Contains("c"), true)
		gtest.Assert(array1, []string{"a", "b", "c", "d"})
	})
}

func TestSortedStringArray_Get(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		gtest.Assert(array1.Get(2), "c")
		gtest.Assert(array1.Get(0), "a")

	})
}

func TestSortedStringArray_Remove(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		gtest.Assert(array1.Remove(2), "c")
		gtest.Assert(array1.Get(2), "d")
		gtest.Assert(array1.Len(), 3)
		gtest.Assert(array1.Contains("c"), false)

		gtest.Assert(array1.Remove(0), "a")
		gtest.Assert(array1.Len(), 2)
		gtest.Assert(array1.Contains("a"), false)

		// 此时array1里的元素只剩下2个
		gtest.Assert(array1.Remove(1), "d")
		gtest.Assert(array1.Len(), 1)

	})
}

func TestSortedStringArray_PopLeft(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.PopLeft()
		gtest.Assert(s1, "a")
		gtest.Assert(array1.Len(), 4)
		gtest.Assert(array1.Contains("a"), false)
	})
}

func TestSortedStringArray_PopRight(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.PopRight()
		gtest.Assert(s1, "e")
		gtest.Assert(array1.Len(), 4)
		gtest.Assert(array1.Contains("e"), false)
	})
}

func TestSortedStringArray_PopRand(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.PopRand()
		gtest.AssertIN(s1, []string{"e", "a", "d", "c", "b"})
		gtest.Assert(array1.Len(), 4)
		gtest.Assert(array1.Contains(s1), false)
	})
}

func TestSortedStringArray_PopRands(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.PopRands(2)
		gtest.AssertIN(s1, []string{"e", "a", "d", "c", "b"})
		gtest.Assert(array1.Len(), 3)
		gtest.Assert(len(s1), 2)

		s1 = array1.PopRands(4)
		gtest.Assert(len(s1), 3)
		gtest.AssertIN(s1, []string{"e", "a", "d", "c", "b"})
	})
}

func TestSortedStringArray_PopLefts(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.PopLefts(2)
		gtest.Assert(s1, []string{"a", "b"})
		gtest.Assert(array1.Len(), 3)
		gtest.Assert(len(s1), 2)

		s1 = array1.PopLefts(4)
		gtest.Assert(len(s1), 3)
		gtest.Assert(s1, []string{"c", "d", "e"})
	})
}

func TestSortedStringArray_PopRights(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.PopRights(2)
		gtest.Assert(s1, []string{"f", "g"})
		gtest.Assert(array1.Len(), 5)
		gtest.Assert(len(s1), 2)
		s1 = array1.PopRights(6)
		gtest.Assert(len(s1), 5)
		gtest.Assert(s1, []string{"a", "b", "c", "d", "e"})
		gtest.Assert(array1.Len(), 0)
	})
}

func TestSortedStringArray_Range(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.Range(2, 4)
		gtest.Assert(len(s1), 2)
		gtest.Assert(s1, []string{"c", "d"})

		s1 = array1.Range(-1, 2)
		gtest.Assert(len(s1), 2)
		gtest.Assert(s1, []string{"a", "b"})

		s1 = array1.Range(4, 8)
		gtest.Assert(len(s1), 3)
		gtest.Assert(s1, []string{"e", "f", "g"})
	})
}

func TestSortedStringArray_Sum(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		a2 := []string{"1", "2", "3", "4", "a"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		array2 := garray.NewSortedStringArrayFrom(a2)
		gtest.Assert(array1.Sum(), 0)
		gtest.Assert(array2.Sum(), 10)
	})
}

func TestSortedStringArray_Clone(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		array2 := array1.Clone()
		gtest.Assert(array1, array2)
		array1.Remove(1)
		gtest.Assert(array2.Len(), 7)
	})
}

func TestSortedStringArray_Clear(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		array1.Clear()
		gtest.Assert(array1.Len(), 0)

	})
}

func TestSortedStringArray_SubSlice(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.SubSlice(1, 3)
		gtest.Assert(len(s1), 3)
		gtest.Assert(s1, []string{"b", "c", "d"})
		gtest.Assert(array1.Len(), 7)

		s2 := array1.SubSlice(1, 10)
		gtest.Assert(len(s2), 6)

		s3 := array1.SubSlice(10, 2)
		gtest.Assert(len(s3), 0)

	})
}

func TestSortedStringArray_Len(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "c", "b", "f", "g"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		gtest.Assert(array1.Len(), 7)

	})
}

func TestSortedStringArray_Rand(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		gtest.AssertIN(array1.Rand(), []string{"e", "a", "d"})

	})
}

func TestSortedStringArray_Rands(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		s1 := array1.Rands(2)

		gtest.AssertIN(s1, []string{"e", "a", "d"})
		gtest.Assert(len(s1), 2)

		s1 = array1.Rands(4)
		gtest.AssertIN(s1, []string{"e", "a", "d"})
		gtest.Assert(len(s1), 3)
	})
}

func TestSortedStringArray_Join(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		gtest.Assert(array1.Join(","), "a,d,e")
		gtest.Assert(array1.Join("."), "a.d.e")
	})
}

func TestSortedStringArray_CountValues(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "a", "c"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		m1 := array1.CountValues()
		gtest.Assert(m1["a"], 2)
		gtest.Assert(m1["d"], 1)

	})
}

func TestSortedStringArray_Chunk(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "a", "c"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		array2 := array1.Chunk(2)
		gtest.Assert(len(array2), 3)
		gtest.Assert(len(array2[0]), 2)
		gtest.Assert(array2[1], []string{"c", "d"})
	})
}

func TestSortedStringArray_SetUnique(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "a", "c"}
		array1 := garray.NewSortedStringArrayFrom(a1)
		array2 := array1.SetUnique(true)
		gtest.Assert(array2.Len(), 4)
		gtest.Assert(array2, []string{"a", "c", "d", "e"})
	})
}

func TestStringArray_Remove(t *testing.T) {
	gtest.Case(t, func() {
		a1 := []string{"e", "a", "d", "a", "c"}
		array1 := garray.NewStringArrayFrom(a1)
		s1 := array1.Remove(1)
		gtest.Assert(s1, "a")
		gtest.Assert(array1.Len(), 4)
		s1 = array1.Remove(3)
		gtest.Assert(s1, "c")
		gtest.Assert(array1.Len(), 3)

	})
}