PreloadCheck: Add some comments

Test: m
Change-Id: I61039d4fc64f0958bc3f81a49f3a78620c86e34c

4 files changed, 19 insertions, 1 deletions

diff --git a/tools/preload-check/device/src/com/android/preload/check/Initialized.java b/tools/preload-check/device/src/com/android/preload/check/Initialized.java
index b21b5f6e024e..81c074c04d4c 100644
--- a/tools/preload-check/device/src/com/android/preload/check/Initialized.java
+++ b/tools/preload-check/device/src/com/android/preload/check/Initialized.java
@@ -16,6 +16,9 @@
 
 package com.android.preload.check;
 
+/**
+ * Test that the given boot classpath class is initialized.
+ */
 public class Initialized {
     public static void main(String[] args) throws Exception {
         Util.assertInitialized(args[0], null);
diff --git a/tools/preload-check/device/src/com/android/preload/check/IntegrityCheck.java b/tools/preload-check/device/src/com/android/preload/check/IntegrityCheck.java
index 6cc3946d5be6..1c1e927c54c4 100644
--- a/tools/preload-check/device/src/com/android/preload/check/IntegrityCheck.java
+++ b/tools/preload-check/device/src/com/android/preload/check/IntegrityCheck.java
@@ -16,13 +16,16 @@
 
 package com.android.preload.check;
 
+/**
+ * Test that a helper class is first seen as uninitialized, then initialized after forced.
+ */
 public class IntegrityCheck {
     public static void main(String[] args) throws Exception {
         ClassLoader loader = IntegrityCheck.class.getClassLoader();
 
         Util.assertNotInitialized("com.android.preload.check.IntegrityCheck$StatusHelper", loader);
 
-        Class<?> klass = Class.forName("com.android.preload.check.IntegrityCheck$StatusHelper",
+        Class.forName("com.android.preload.check.IntegrityCheck$StatusHelper",
                 /* initialize */ true, loader);
 
         Util.assertInitialized("com.android.preload.check.IntegrityCheck$StatusHelper", loader);
@@ -30,6 +33,7 @@ public class IntegrityCheck {
         System.out.println("OK");
     }
 
+    @SuppressWarnings("unused")
     private static class StatusHelper {
         private final static Object defer = new Object();
     }
diff --git a/tools/preload-check/device/src/com/android/preload/check/NotInitialized.java b/tools/preload-check/device/src/com/android/preload/check/NotInitialized.java
index d2e98fe205a2..c3d2c7737c7d 100644
--- a/tools/preload-check/device/src/com/android/preload/check/NotInitialized.java
+++ b/tools/preload-check/device/src/com/android/preload/check/NotInitialized.java
@@ -16,6 +16,9 @@
 
 package com.android.preload.check;
 
+/**
+ * Test that the given boot classpath class is not initialized.
+ */
 public class NotInitialized {
     public static void main(String[] args) throws Exception {
         Util.assertNotInitialized(args[0], null);
diff --git a/tools/preload-check/device/src/com/android/preload/check/NotInitializedRegex.java b/tools/preload-check/device/src/com/android/preload/check/NotInitializedRegex.java
index 261024b030f0..d942bad9b6a8 100644
--- a/tools/preload-check/device/src/com/android/preload/check/NotInitializedRegex.java
+++ b/tools/preload-check/device/src/com/android/preload/check/NotInitializedRegex.java
@@ -23,7 +23,15 @@ import java.util.Enumeration;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+/**
+ * Test boot classpath classes that satisfy a given regular expression to be not initialized.
+ * Optionally check that at least one class was matched.
+ */
 public class NotInitializedRegex {
+    /**
+     * First arg (mandatory): regular exception. Second arg (optional): boolean to denote a
+     * required match.
+     */
     public static void main(String[] args) throws Exception {
         Matcher m = Pattern.compile(args[0]).matcher("");
         boolean requiresMatch = args.length > 1 ? Boolean.parseBoolean(args[1]) : false;