fix: CtJavadoc#getShortDescription

src/main/java/spoon/support/reflect/code/CtJavaDocImpl.java

@@ -92,20 +92,23 @@ public String getShortDescription() {
 		if (indexEndSentence == -1) {
 			indexEndSentence = this.getContent().indexOf("\n");
 		}
-		if (indexEndSentence == -1) {
-			indexEndSentence = this.getContent().length();
-		}
 		if (indexEndSentence != -1) {
 			return this.getContent().substring(0, indexEndSentence + 1).trim();
+		} else {
+			return this.getContent().trim();
 		}
-		return "";
 	}
 
 	@Override
 	public String getLongDescription() {
 		int indexStartLongDescription = getShortDescription().length();
 
-		return this.getContent().substring(indexStartLongDescription).trim();
+		if (indexStartLongDescription < this.getContent().trim().length()) {
+			return this.getContent().substring(indexStartLongDescription).trim();
+		} else {
+			return this.getContent().trim();
+		}
+
 	}
 
 	@Override

src/test/java/spoon/test/comment/CommentTest.java

@@ -48,6 +48,7 @@
 import spoon.test.comment.testclasses.InlineComment;
 import spoon.test.comment.testclasses.JavaDocComment;
 import spoon.test.comment.testclasses.JavaDocEmptyCommentAndTags;
+import spoon.test.comment.testclasses.OtherJavaDoc;
 import spoon.test.comment.testclasses.WildComments;
 import spoon.test.comment.testclasses.WindowsEOL;
 
@@ -130,6 +131,16 @@ public void testJavaDocCommentOnUnix() {
 		this.testJavaDocComment(type, EOL);
 	}
 
+	@Test
+	public void testJavadocShortAndLongComment() {
+		// contract: in case we cannot determine if it is a short comment, we take the whole content
+		Factory f = getSpoonFactory();
+		CtClass<?> type = (CtClass<?>)f.Type().get(OtherJavaDoc.class);
+		CtJavaDoc classJavaDoc = (CtJavaDoc) type.getComments().get(0);
+		assertEquals("A short description without a proper end", classJavaDoc.getShortDescription());
+		assertEquals("A short description without a proper end", classJavaDoc.getLongDescription());
+	}
+
 	@Test
 	public void testJavaDocCommentOnMac() {
 		String EOL = "\n";

src/test/java/spoon/test/comment/testclasses/OtherJavaDoc.java

@@ -0,0 +1,7 @@
+package spoon.test.comment.testclasses;
+
+/**
+ * A short description without a proper end
+ */
+public class OtherJavaDoc {
+}