1 files changed, 100 insertions, 0 deletions
diff --git a/tools/split-select/Rule_test.cpp b/tools/split-select/Rule_test.cpp
new file mode 100644
index 0000000..c6cff0d
--- /dev/null
+++ b/tools/split-select/Rule_test.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#include "Rule.h"
+
+#include "SplitDescription.h"
+#include "TestRules.h"
+
+#include <algorithm>
+#include <gtest/gtest.h>
+#include <string>
+#include <utils/String8.h>
+
+using namespace android;
+using namespace split::test;
+
+namespace split {
+
+TEST(RuleTest, generatesValidJson) {
+    Rule rule(AndRule()
+        .add(EqRule(Rule::SDK_VERSION, 7))
+        .add(OrRule()
+                .add(GtRule(Rule::SCREEN_DENSITY, 10))
+                .add(LtRule(Rule::SCREEN_DENSITY, 5))
+        )
+    );
+
+    // Expected
+    std::string expected(
+            "{"
+            "  \"op\": \"AND_SUBRULES\","
+            "  \"subrules\": ["
+            "    {"
+            "      \"op\": \"EQUALS\","
+            "      \"property\": \"SDK_VERSION\","
+            "      \"args\": [7]"
+            "    },"
+            "    {"
+            "      \"op\": \"OR_SUBRULES\","
+            "      \"subrules\": ["
+            "        {"
+            "          \"op\": \"GREATER_THAN\","
+            "          \"property\": \"SCREEN_DENSITY\","
+            "          \"args\": [10]"
+            "        },"
+            "        {"
+            "          \"op\": \"LESS_THAN\","
+            "          \"property\": \"SCREEN_DENSITY\","
+            "          \"args\": [5]"
+            "        }"
+            "      ]"
+            "     }"
+            "  ]"
+            "}");
+    expected.erase(std::remove_if(expected.begin(), expected.end(), ::isspace), expected.end());
+
+    // Result
+    std::string result(rule.toJson().string());
+    result.erase(std::remove_if(result.begin(), result.end(), ::isspace), result.end());
+
+    ASSERT_EQ(expected, result);
+}
+
+TEST(RuleTest, simplifiesSingleSubruleRules) {
+    sp<Rule> rule = new Rule(AndRule()
+        .add(EqRule(Rule::SDK_VERSION, 7))
+    );
+
+    EXPECT_RULES_EQ(Rule::simplify(rule), EqRule(Rule::SDK_VERSION, 7));
+}
+
+TEST(RuleTest, simplifiesNestedSameOpSubrules) {
+    sp<Rule> rule = new Rule(AndRule()
+        .add(AndRule()
+            .add(EqRule(Rule::SDK_VERSION, 7))
+        )
+        .add(EqRule(Rule::SDK_VERSION, 8))
+    );
+
+    EXPECT_RULES_EQ(Rule::simplify(rule),
+            AndRule()
+                .add(EqRule(Rule::SDK_VERSION, 7))
+                .add(EqRule(Rule::SDK_VERSION, 8))
+    );
+}
+
+} // namespace split