SplitSelector_test.cpp revision 42eea270a0a2bc54f454312817c41ac357e3a884
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <gtest/gtest.h>
18#include <utils/String8.h>
19#include <utils/Vector.h>
20
21#include "SplitDescription.h"
22#include "SplitSelector.h"
23#include "TestRules.h"
24
25namespace split {
26
27using namespace android;
28
29static ::testing::AssertionResult addSplit(Vector<SplitDescription>& splits, const char* str) {
30    SplitDescription split;
31    if (!SplitDescription::parse(String8(str), &split)) {
32        return ::testing::AssertionFailure() << str << " is not a valid configuration.";
33    }
34    splits.add(split);
35    return ::testing::AssertionSuccess();
36}
37
38TEST(SplitSelectorTest, rulesShouldMatchSelection) {
39    Vector<SplitDescription> splits;
40    ASSERT_TRUE(addSplit(splits, "hdpi"));
41    ASSERT_TRUE(addSplit(splits, "xhdpi"));
42    ASSERT_TRUE(addSplit(splits, "xxhdpi"));
43    ASSERT_TRUE(addSplit(splits, "mdpi"));
44
45    SplitDescription targetSplit;
46    ASSERT_TRUE(SplitDescription::parse(String8("hdpi"), &targetSplit));
47
48    SplitSelector selector(splits);
49    SortedVector<SplitDescription> bestSplits;
50    bestSplits.merge(selector.getBestSplits(targetSplit));
51
52    SplitDescription expected;
53    ASSERT_TRUE(SplitDescription::parse(String8("hdpi"), &expected));
54    EXPECT_GE(bestSplits.indexOf(expected), 0);
55
56    KeyedVector<SplitDescription, sp<Rule> > rules = selector.getRules();
57    ssize_t idx = rules.indexOfKey(expected);
58    ASSERT_GE(idx, 0);
59    sp<Rule> rule = rules[idx];
60    ASSERT_TRUE(rule != NULL);
61
62    ASSERT_GT(ResTable_config::DENSITY_HIGH, 180);
63    ASSERT_LT(ResTable_config::DENSITY_HIGH, 263);
64
65    Rule expectedRule(test::AndRule()
66            .add(test::GtRule(Rule::SDK_VERSION, 3))
67            .add(test::GtRule(Rule::SCREEN_DENSITY, 180))
68            .add(test::LtRule(Rule::SCREEN_DENSITY, 263)));
69    EXPECT_RULES_EQ(rule, expectedRule);
70}
71
72} // namespace split
73