// Copyright (c) 2023 IBM Corp.
// All rights reserved.
//
// 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 stateless

import (
	"testing"

	A "github.com/IBM/fp-go/array"
	"github.com/stretchr/testify/assert"
)

func TestCompress(t *testing.T) {
	// sequence of 5 items
	data := From(0, 1, 2, 3)
	// select some of these items
	selector := From(true, false, false, true)
	// compressed result
	compressed := Compress[int](selector)(data)

	assert.Equal(t, A.From(0, 3), ToArray(compressed))

}