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// Copyright 2017 The Bazel Authors. All rights reserved.
//
// 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 testsubjects;
import java.io.BufferedReader;
import java.io.Closeable;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.List;
import java.util.function.BinaryOperator;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
/**
* Test subject for testing bytecode type inference {@link
* com.google.devtools.build.android.desugar.BytecodeTypeInference}
*/
public class TestSubject {
private static int VALUE_ONE = 1;
private static int VALUE_TWO = 2;
static int catchTest(Object key, Object value) {
if (!(key instanceof String)) {
return VALUE_ONE;
}
try {
Pattern.compile((String) key);
} catch (PatternSyntaxException e) {
return VALUE_TWO;
}
return VALUE_ONE;
}
public static void assertEquals(String message, double expected, double actual, double delta) {
if (Double.compare(expected, actual) == 0) {
return;
}
if (!(Math.abs(expected - actual) <= delta)) {
throw new RuntimeException(message + new Double(expected) + new Double(actual));
}
}
/**
* A simple resource implementation which implements Closeable.
*/
public static class SimpleResource implements Closeable {
public void call(boolean throwException) {
if (throwException) {
throw new RuntimeException("exception in call()");
}
}
@Override
public void close() throws IOException {
throw new IOException("exception in close().");
}
}
public static void simpleTryWithResources() throws Exception {
// Throwable.addSuppressed(Throwable) should be called in the following block.
try (SimpleResource resource = new SimpleResource()) {
resource.call(true);
}
}
private static long internalCompare(long a, long b, BinaryOperator<Long> func) {
return func.apply(a, b);
}
public void closeResourceArray(Statement[] resources) throws Exception {
for (Statement stmt : resources) {
closeResource(stmt, null);
}
}
public void closeResourceMultiArray(Statement[][] resources) throws Exception {
for (Statement[] stmts : resources) {
for (Statement stmt : stmts) {
closeResource(stmt, null);
}
}
}
public void closeResourceArrayList(List<Statement> resources) throws Exception {
for (Statement stmt : resources) {
closeResource(stmt, null);
}
}
public void closeSqlStmt(Connection connection) throws Exception {
Statement stmt = null;
try {
stmt = connection.createStatement();
} catch (SQLException e) {
closeResource(stmt, e);
}
closeResource(stmt, null);
}
public void closeResource(AutoCloseable resource, Throwable suppressor) throws Exception {
if (resource == null) {
return;
}
try {
resource.close();
} catch (Exception e) {
if (suppressor != null) {
suppressor.addSuppressed(e);
}
throw e;
}
}
public static int intAdd(int i, int j) {
int tmp = i;
tmp++;
++tmp;
tmp += j;
tmp--;
--tmp;
tmp -= j;
tmp *= j;
tmp /= j;
tmp = tmp % j;
tmp = tmp << 2;
tmp = tmp >> j;
tmp = tmp >>> 3;
long longTemp = tmp;
longTemp = longTemp << j;
return (int) longTemp;
}
public static Number createNumberWithDiamond(boolean flag) {
Number n = null;
if (flag) {
n = new Integer(1);
} else {
n = new Double(1);
}
return n;
}
public static Object[][] createMultiObjectArray() {
return new Object[0][0];
}
public static Object[] createObjectArray() {
return new Object[0];
}
public static int[] createIntArray() {
return new int[0];
}
public static void staticEmpty1() {}
public void instanceEmpty1() {}
public static boolean identity(boolean result) {
return result;
}
public static boolean identity2(boolean result) {
boolean temp = result;
return temp;
}
public void readFile(File file) throws Exception {
try (AutoCloseable reader = new BufferedReader(new FileReader(file));
AutoCloseable reader2 = new BufferedReader(new FileReader(file));
AutoCloseable reader3 = new BufferedReader(new FileReader(file));
AutoCloseable reader4 = new BufferedReader(new FileReader(file))) {
} catch (IOException e) {
e.printStackTrace();
}
}
}
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