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/*
* 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 junit.framework.TestCase;
import android.test.suitebuilder.annotation.SmallTest;
/**
* 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));
}
}
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