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Hello world
This commit is contained in:
Tim Voronov
274
pkg/runtime/values/array_test.go
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274
pkg/runtime/values/array_test.go
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@ -0,0 +1,274 @@
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package values_test
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import (
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"encoding/json"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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. "github.com/smartystreets/goconvey/convey"
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"testing"
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)
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func TestArray(t *testing.T) {
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Convey("#constructor", t, func() {
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Convey("Should create an empty array", func() {
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arr := values.NewArray(10)
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So(arr.Length(), ShouldEqual, 0)
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})
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Convey("Should create an array, from passed values", func() {
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arr := values.NewArrayWith(
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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)
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So(arr.Length(), ShouldEqual, 3)
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})
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})
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Convey(".MarshalJSON", t, func() {
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Convey("Should serialize empty array", func() {
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arr := values.NewArray(10)
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marshaled, err := arr.MarshalJSON()
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So(err, ShouldBeNil)
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So(string(marshaled), ShouldEqual, "[]")
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})
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Convey("Should serialize full array", func() {
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arr := values.NewArrayWith(
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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)
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marshaled, err := json.Marshal(arr)
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So(err, ShouldBeNil)
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So(string(marshaled), ShouldEqual, "[1,2,3]")
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})
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})
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Convey(".Type", t, func() {
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Convey("Should return type", func() {
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arr := values.NewArray(1)
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So(arr.Type(), ShouldEqual, core.ArrayType)
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})
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})
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Convey(".Unwrap", t, func() {
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Convey("Should return a an array of unwrapped values", func() {
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arr := values.NewArrayWith(
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values.ZeroInt,
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values.ZeroInt,
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)
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for _, val := range arr.Unwrap().([]interface{}) {
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So(val, ShouldHaveSameTypeAs, 0)
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}
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})
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})
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Convey(".String", t, func() {
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Convey("Should return a string representation ", func() {
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arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
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So(arr.String(), ShouldEqual, "[0,0]")
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})
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})
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Convey(".Compare", t, func() {
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Convey("It should return 1 for all non-array and non-object values", func() {
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arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
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So(arr.Compare(values.None), ShouldEqual, 1)
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So(arr.Compare(values.ZeroInt), ShouldEqual, 1)
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So(arr.Compare(values.ZeroFloat), ShouldEqual, 1)
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So(arr.Compare(values.EmptyString), ShouldEqual, 1)
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})
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Convey("It should return -1 for all object values", func() {
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arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
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obj := values.NewObject()
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So(arr.Compare(obj), ShouldEqual, -1)
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})
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Convey("It should return 0 when both arrays are empty", func() {
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arr1 := values.NewArray(1)
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arr2 := values.NewArray(1)
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So(arr1.Compare(arr2), ShouldEqual, 0)
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})
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Convey("It should return 1 when other array is empty", func() {
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arr1 := values.NewArrayWith(values.ZeroFloat)
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arr2 := values.NewArray(1)
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So(arr1.Compare(arr2), ShouldEqual, 1)
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})
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Convey("It should return 1 when values are bigger", func() {
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arr1 := values.NewArrayWith(values.NewInt(1))
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arr2 := values.NewArrayWith(values.ZeroInt)
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So(arr1.Compare(arr2), ShouldEqual, 1)
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})
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})
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Convey(".Length", t, func() {
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Convey("Should return 0 when empty", func() {
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arr := values.NewArray(1)
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So(arr.Length(), ShouldEqual, 0)
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})
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Convey("Should return greater than 0 when not empty", func() {
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arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
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So(arr.Length(), ShouldEqual, 2)
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})
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})
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Convey(".ForEach", t, func() {
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Convey("Should iterate over elements", func() {
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arr := values.NewArrayWith(
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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)
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counter := 0
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arr.ForEach(func(value core.Value, idx int) bool {
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counter += 1
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return true
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})
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So(counter, ShouldEqual, arr.Length())
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})
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Convey("Should not iterate when empty", func() {
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arr := values.NewArrayWith()
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counter := 0
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arr.ForEach(func(value core.Value, idx int) bool {
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counter += 1
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return true
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})
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So(counter, ShouldEqual, arr.Length())
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})
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Convey("Should break iteration when false returned", func() {
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arr := values.NewArrayWith(
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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values.NewInt(4),
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values.NewInt(5),
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)
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threshold := 3
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counter := 0
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arr.ForEach(func(value core.Value, idx int) bool {
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counter += 1
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return value.Compare(values.NewInt(threshold)) == -1
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})
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So(counter, ShouldEqual, threshold)
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})
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})
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Convey(".Get", t, func() {
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Convey("Should return item by index", func() {
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arr := values.NewArrayWith(
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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values.NewInt(4),
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values.NewInt(5),
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)
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el := arr.Get(1)
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So(el.Compare(values.NewInt(2)), ShouldEqual, 0)
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})
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Convey("Should return None when no value", func() {
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arr := values.NewArrayWith()
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el := arr.Get(1)
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So(el.Compare(values.None), ShouldEqual, 0)
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})
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})
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Convey(".Set", t, func() {
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Convey("Should set item by index", func() {
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arr := values.NewArrayWith(values.ZeroInt)
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err := arr.Set(0, values.NewInt(1))
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So(err, ShouldBeNil)
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So(arr.Length(), ShouldEqual, 1)
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So(arr.Get(0).Compare(values.NewInt(1)), ShouldEqual, 0)
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})
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Convey("Should return an error when index is out of bounds", func() {
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arr := values.NewArray(10)
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err := arr.Set(0, values.NewInt(1))
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So(err, ShouldNotBeNil)
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So(arr.Length(), ShouldEqual, 0)
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})
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})
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Convey(".Push", t, func() {
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Convey("Should add an item", func() {
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arr := values.NewArray(10)
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src := []core.Value{
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values.ZeroInt,
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values.ZeroInt,
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values.ZeroInt,
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values.ZeroInt,
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values.ZeroInt,
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}
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for _, val := range src {
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arr.Push(val)
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}
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So(arr.Length(), ShouldEqual, len(src))
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})
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})
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Convey(".Slice", t, func() {
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Convey("Should return a slice", func() {
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arr := values.NewArrayWith(
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values.NewInt(0),
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values.NewInt(1),
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values.NewInt(2),
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values.NewInt(3),
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values.NewInt(4),
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values.NewInt(5),
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)
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s := arr.Slice(0, 1)
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So(len(s), ShouldEqual, 1)
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So(s[0].Compare(values.ZeroInt), ShouldEqual, 0)
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s2 := arr.Slice(2, arr.Length())
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So(len(s2), ShouldEqual, arr.Length()-2)
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})
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})
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}
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