2 files changed, 28 insertions, 1 deletions
diff --git a/api/src/main/java/org/semver/Version.java b/api/src/main/java/org/semver/Version.java
index 4f73e4f..83765da 100755
--- a/api/src/main/java/org/semver/Version.java
+++ b/api/src/main/java/org/semver/Version.java
@@ -46,7 +46,7 @@ public final class Version implements Comparable<Version> {
 
     private static final Pattern DIGITS_ONLY = Pattern.compile("\\d+");
 
-    private static final String SNAPSHOT_VERSION_SUFFIX = "-SNAPSHOT";
+    private static final String SNAPSHOT_VERSION_SUFFIX = "SNAPSHOT";
 
     private final int major;
     private final int minor;
@@ -168,6 +168,14 @@ public final class Version implements Comparable<Version> {
         return this.special != null && this.special.isSnapshot();
     }
 
+    /**
+     * @param version version to check with
+     * @return {@code true}, if supplied version is compatible with this version, {@code false} - otherwise
+     */
+    public boolean isCompatible(Version version) {
+        return version != null && this.major == version.major;
+    }
+
     @Override
     public int hashCode() {
         int hash = 5;
diff --git a/api/src/test/java/org/semver/VersionTest.java b/api/src/test/java/org/semver/VersionTest.java
index bdefa5a..625c3ac 100755
--- a/api/src/test/java/org/semver/VersionTest.java
+++ b/api/src/test/java/org/semver/VersionTest.java
@@ -97,6 +97,25 @@ public class VersionTest {
     }
 
     @Test
+    public void shouldBeSnapshotVersion() {
+        Assert.assertTrue(Version.parse("1.5.30-SNAPSHOT").isSnapshot());
+    }
+
+    @Test
+    public void shouldBeCompatible() {
+        Assert.assertTrue(Version.parse("1.0.0").isCompatible(Version.parse("1.2.3-SNAPSHOT")));
+        Assert.assertTrue(Version.parse("1.0.0").isCompatible(Version.parse("1.0.1")));
+        Assert.assertTrue(Version.parse("1.0.0").isCompatible(Version.parse("1.1.0")));
+    }
+
+    @Test
+    public void shouldBeIncompatible() {
+        Assert.assertFalse(Version.parse("0.0.1-SNAPSHOT").isCompatible(null));
+        Assert.assertFalse(Version.parse("1.0.1").isCompatible(Version.parse("2.0.0")));
+        Assert.assertFalse(Version.parse("1.1.0-rc3").isCompatible(Version.parse("3.1.0-SNAPSHOT")));
+    }
+
+    @Test
     public void isNewer() {
     	  Assert.assertTrue(Version.parse("3.2.3").compareTo(Version.parse("3.2-M1-SNAPSHOT")) > 0);
         Assert.assertTrue(Version.parse("1.0.0").compareTo(Version.parse("0.0.0")) > 0);