https://github.com/OpenHFT/Chronicle-Map/issues/214, added net.openhft.chronicle.map.AutoResizeTest

src/test/java/net/openhft/chronicle/map/AutoResizeTest.java

@@ -0,0 +1,65 @@
+package net.openhft.chronicle.map;
+
+import net.openhft.chronicle.core.Jvm;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+
+public class AutoResizeTest {
+
+    static {
+        Jvm.setExceptionHandlers(null, null, null);
+    }
+
+    /**
+     * test that the auto resizes are not zero upon a restart
+     *
+     * @throws IOException IOException
+     */
+    @Test
+    public void testAutoResizeNotZeroUponRestart() throws IOException {
+
+        File cmap = File.createTempFile("chron", "cmap");
+
+        try (ChronicleMap<String, String> map = ChronicleMapBuilder
+                .of(String.class, String.class)
+                .averageKeySize(10).averageValueSize(10)
+                .entries(100).actualSegments(10).maxBloatFactor(10).replication((byte) 1)
+                .createOrRecoverPersistedTo(cmap)) {
+
+            int actual = map.remainingAutoResizes();
+            Assert.assertNotEquals(0.0, actual);
+            System.out.println(actual);
+        }
+
+        // if the file already exists  it will reuse the existing settings, set above
+
+        try (ChronicleMap<String, String> map = ChronicleMapBuilder
+                .of(String.class, String.class)
+                .createOrRecoverPersistedTo(cmap)) {
+            int actual = map.remainingAutoResizes();
+            Assert.assertNotEquals(0.0, map.remainingAutoResizes());
+            System.out.println(actual);
+        }
+
+    }
+
+    @Test
+    public void testAutoResizeNotZeroUponRestart2() throws IOException {
+
+        try (ChronicleMap<String, String> map = ChronicleMapBuilder
+                .of(String.class, String.class)
+                .averageKeySize(10).averageValueSize(10)
+                .entries(100).actualSegments(10).maxBloatFactor(10).replication((byte) 1)
+                .create()) {
+
+            int actual = map.remainingAutoResizes();
+            Assert.assertNotEquals(0.0, actual);
+            System.out.println(actual);
+        }
+
+    }
+
+}