Pass system property to process
diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/GcFreeLoggingTestUtil.java b/log4j-core/src/test/java/org/apache/logging/log4j/core/GcFreeLoggingTestUtil.java
index d9289b8..94c5fc1 100644
--- a/log4j-core/src/test/java/org/apache/logging/log4j/core/GcFreeLoggingTestUtil.java
+++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/GcFreeLoggingTestUtil.java
@@ -29,10 +29,13 @@
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.file.Files;
+import java.util.ArrayList;
+import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
+import static java.lang.System.getProperty;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -130,16 +133,24 @@
}
public static void runTest(final Class<?> cls) throws Exception {
- final String javaHome = System.getProperty("java.home");
+ final String javaHome = getProperty("java.home");
final String javaBin = javaHome + File.separator + "bin" + File.separator + "java";
- final String classpath = System.getProperty("java.class.path");
+ final String classpath = getProperty("java.class.path");
final String javaagent = "-javaagent:" + agentJar();
+ final String usePreciseClock = System.getProperty("log4j2.usePreciseClock");
final File tempFile = File.createTempFile("allocations", ".txt");
tempFile.deleteOnExit();
-
- final ProcessBuilder builder = new ProcessBuilder( //
- javaBin, javaagent, "-cp", classpath, cls.getName());
+ List<String> command = new ArrayList<>();
+ command.add(javaBin);
+ command.add(javaagent);
+ if (usePreciseClock != null) {
+ command.add("-Dlog4j2.usePreciseClock=" + usePreciseClock);
+ }
+ command.add("-cp");
+ command.add(classpath);
+ command.add(cls.getName());
+ final ProcessBuilder builder = new ProcessBuilder(command);
builder.redirectError(ProcessBuilder.Redirect.to(tempFile));
builder.redirectOutput(ProcessBuilder.Redirect.to(tempFile));
final Process process = builder.start();
