material-components_material-components-ios/components/ActivityIndicator/tests/unit/ActivityIndicatorTests.swift

// Copyright 2017-present the Material Components for iOS authors. 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.

import XCTest
import MaterialComponents.MaterialActivityIndicator

class ActivityIndicatorTests: XCTestCase {

  func testCycleColorDefaultValue() {
    let indicator = MDCActivityIndicator()

    XCTAssertGreaterThan(
      indicator.cycleColors.count, 0,
      "The default value for |cycleColors| should be a non-empty array.")

  }

  func testCycleColorEmptyArraySupport() {
    let indicator = MDCActivityIndicator()

    indicator.cycleColors = []

    XCTAssertGreaterThan(
      indicator.cycleColors.count, 0,
      "Assigning an empty array for |cycleColors| should result in a default "
        + "value being used instead.")
  }

}