diff options
Diffstat (limited to 'common/testutils/devicetests/com/android/testutils/ParcelUtils.kt')
-rw-r--r-- | common/testutils/devicetests/com/android/testutils/ParcelUtils.kt | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/common/testutils/devicetests/com/android/testutils/ParcelUtils.kt b/common/testutils/devicetests/com/android/testutils/ParcelUtils.kt deleted file mode 100644 index 14ed8e9e..00000000 --- a/common/testutils/devicetests/com/android/testutils/ParcelUtils.kt +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (C) 2019 The Android Open Source Project - * - * 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. - */ - -@file:JvmName("ParcelUtils") - -package com.android.testutils - -import android.os.Parcel -import android.os.Parcelable -import kotlin.test.assertTrue -import kotlin.test.fail - -/** - * Return a new instance of `T` after being parceled then unparceled. - */ -fun <T : Parcelable> parcelingRoundTrip(source: T): T { - val creator: Parcelable.Creator<T> - try { - creator = source.javaClass.getField("CREATOR").get(null) as Parcelable.Creator<T> - } catch (e: IllegalAccessException) { - fail("Missing CREATOR field: " + e.message) - } catch (e: NoSuchFieldException) { - fail("Missing CREATOR field: " + e.message) - } - - var p = Parcel.obtain() - source.writeToParcel(p, /* flags */ 0) - p.setDataPosition(0) - val marshalled = p.marshall() - p = Parcel.obtain() - p.unmarshall(marshalled, 0, marshalled.size) - p.setDataPosition(0) - return creator.createFromParcel(p) -} - -/** - * Assert that after being parceled then unparceled, `source` is equal to the original - * object. If a customized equals function is provided, uses the provided one. - */ -@JvmOverloads -fun <T : Parcelable> assertParcelingIsLossless( - source: T, - equals: (T, T) -> Boolean = { a, b -> a == b } -) { - val actual = parcelingRoundTrip(source) - assertTrue(equals(source, actual), "Expected $source, but was $actual") -} - -@JvmOverloads -fun <T : Parcelable> assertParcelSane( - obj: T, - fieldCount: Int, - equals: (T, T) -> Boolean = { a, b -> a == b } -) { - assertFieldCountEquals(fieldCount, obj::class.java) - assertParcelingIsLossless(obj, equals) -} |