| /* |
| * Copyright (C) 2007 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. |
| */ |
| |
| package android.util; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link StateSet} |
| */ |
| |
| public class StateSetTest extends TestCase { |
| |
| @SmallTest |
| public void testStateSetPositiveMatches() throws Exception { |
| int[] stateSpec = new int[2]; |
| int[] stateSet = new int[3]; |
| // Single states in both sets - match |
| stateSpec[0] = 1; |
| stateSet[0] = 1; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Single states in both sets - non-match |
| stateSet[0] = 2; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add another state to the spec which the stateSet doesn't match |
| stateSpec[1] = 2; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add the missing matching element to the stateSet |
| stateSet[1] = 1; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add an irrelevent state to the stateSpec |
| stateSet[2] = 12345; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| } |
| |
| @SmallTest |
| public void testStatesSetMatchMixEmUp() throws Exception { |
| int[] stateSpec = new int[2]; |
| int[] stateSet = new int[2]; |
| // One element in stateSpec which we must match and one which we must |
| // not match. stateSet only contains the match. |
| stateSpec[0] = 1; |
| stateSpec[1] = -2; |
| stateSet[0] = 1; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // stateSet now contains just the element we must not match |
| stateSet[0] = 2; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add another matching state to the the stateSet. We still fail |
| // because stateSet contains a must-not-match element |
| stateSet[1] = 1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Switch the must-not-match element in stateSet with a don't care |
| stateSet[0] = 12345; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| } |
| |
| @SmallTest |
| public void testStateSetNegativeMatches() throws Exception { |
| int[] stateSpec = new int[2]; |
| int[] stateSet = new int[3]; |
| // Single states in both sets - match |
| stateSpec[0] = -1; |
| stateSet[0] = 2; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add another arrelevent state to the stateSet |
| stateSet[1] = 12345; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Single states in both sets - non-match |
| stateSet[0] = 1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add another state to the spec which the stateSet doesn't match |
| stateSpec[1] = -2; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // Add an irrelevent state to the stateSet |
| stateSet[2] = 12345; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| } |
| |
| @SmallTest |
| public void testEmptySetMatchesNegtives() throws Exception { |
| int[] stateSpec = {-12345, -6789}; |
| int[] stateSet = new int[0]; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| int[] stateSet2 = {0}; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet2)); |
| } |
| |
| @SmallTest |
| public void testEmptySetFailsPositives() throws Exception { |
| int[] stateSpec = {12345}; |
| int[] stateSet = new int[0]; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| int[] stateSet2 = {0}; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet2)); |
| } |
| |
| @SmallTest |
| public void testEmptySetMatchesWildcard() throws Exception { |
| int[] stateSpec = StateSet.WILD_CARD; |
| int[] stateSet = new int[0]; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| int[] stateSet2 = {0}; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet2)); |
| } |
| |
| @SmallTest |
| public void testSingleStatePositiveMatches() throws Exception { |
| int[] stateSpec = new int[2]; |
| int state; |
| // match |
| stateSpec[0] = 1; |
| state = 1; |
| assertTrue(StateSet.stateSetMatches(stateSpec, state)); |
| // non-match |
| state = 2; |
| assertFalse(StateSet.stateSetMatches(stateSpec, state)); |
| // add irrelevant must-not-match |
| stateSpec[1] = -12345; |
| assertFalse(StateSet.stateSetMatches(stateSpec, state)); |
| } |
| |
| @SmallTest |
| public void testSingleStateNegativeMatches() throws Exception { |
| int[] stateSpec = new int[2]; |
| int state; |
| // match |
| stateSpec[0] = -1; |
| state = 1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, state)); |
| // non-match |
| state = 2; |
| assertTrue(StateSet.stateSetMatches(stateSpec, state)); |
| // add irrelevant must-not-match |
| stateSpec[1] = -12345; |
| assertTrue(StateSet.stateSetMatches(stateSpec, state)); |
| } |
| |
| @SmallTest |
| public void testZeroStateOnlyMatchesDefault() throws Exception { |
| int[] stateSpec = new int[3]; |
| int state = 0; |
| // non-match |
| stateSpec[0] = 1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, state)); |
| // non-match |
| stateSpec[1] = -1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, state)); |
| // match |
| stateSpec = StateSet.WILD_CARD; |
| assertTrue(StateSet.stateSetMatches(stateSpec, state)); |
| } |
| |
| @SmallTest |
| public void testNullStateOnlyMatchesDefault() throws Exception { |
| int[] stateSpec = new int[3]; |
| int[] stateSet = null; |
| // non-match |
| stateSpec[0] = 1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // non-match |
| stateSpec[1] = -1; |
| assertFalse(StateSet.stateSetMatches(stateSpec, stateSet)); |
| // match |
| stateSpec = StateSet.WILD_CARD; |
| assertTrue(StateSet.stateSetMatches(stateSpec, stateSet)); |
| } |
| } |