Code layout cleanup
- Fwd declare where possible
- List .h first in the .cpp to verify proper includes
- Remove hacky -internal.h file and move testBitInRange to a new component
Change-Id: I442248c4b32738c6c2af250f45d4c8822c862e08
diff --git a/tests/input/evdev/BitUtils_test.cpp b/tests/input/evdev/BitUtils_test.cpp
new file mode 100644
index 0000000..76fc8af
--- /dev/null
+++ b/tests/input/evdev/BitUtils_test.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2015 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 "BitUtils.h"
+
+#include <gtest/gtest.h>
+
+namespace android {
+namespace tests {
+
+TEST(BitInRange, testInvalidRange) {
+ uint8_t arr[2] = { 0xff, 0xff };
+ EXPECT_FALSE(testBitInRange(arr, 0, 0));
+ EXPECT_FALSE(testBitInRange(arr, 1, 0));
+}
+
+TEST(BitInRange, testNoBits) {
+ uint8_t arr[1];
+ arr[0] = 0;
+ EXPECT_FALSE(testBitInRange(arr, 0, 8));
+}
+
+TEST(BitInRange, testOneBit) {
+ uint8_t arr[1];
+ for (int i = 0; i < 8; ++i) {
+ arr[0] = 1 << i;
+ EXPECT_TRUE(testBitInRange(arr, 0, 8));
+ }
+}
+
+TEST(BitInRange, testZeroStart) {
+ uint8_t arr[1] = { 0x10 };
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_FALSE(testBitInRange(arr, 0, i));
+ }
+ for (int i = 5; i <= 8; ++i) {
+ EXPECT_TRUE(testBitInRange(arr, 0, i));
+ }
+}
+
+TEST(BitInRange, testByteBoundaryEnd) {
+ uint8_t arr[1] = { 0x10 };
+ for (int i = 0; i < 5; ++i) {
+ EXPECT_TRUE(testBitInRange(arr, i, 8));
+ }
+ for (int i = 5; i <= 8; ++i) {
+ EXPECT_FALSE(testBitInRange(arr, i, 8));
+ }
+}
+
+TEST(BitInRange, testMultiByteArray) {
+ // bits set: 11 and 16
+ uint8_t arr[3] = { 0x00, 0x08, 0x01 };
+ for (int start = 0; start < 24; ++start) {
+ for (int end = start + 1; end <= 24; ++end) {
+ if (start > 16 || end <= 11 || (start > 11 && end <= 16)) {
+ EXPECT_FALSE(testBitInRange(arr, start, end))
+ << "range = (" << start << ", " << end << ")";
+ } else {
+ EXPECT_TRUE(testBitInRange(arr, start, end))
+ << "range = (" << start << ", " << end << ")";
+ }
+ }
+ }
+}
+
+} // namespace tests
+} // namespace android