### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core.tests.model
Index: src/org/eclipse/jdt/core/tests/model/JavadocBugsCompletionModelTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavadocBugsCompletionModelTest.java,v
retrieving revision 1.26
diff -u -r1.26 JavadocBugsCompletionModelTest.java
--- src/org/eclipse/jdt/core/tests/model/JavadocBugsCompletionModelTest.java	24 Oct 2008 15:29:59 -0000	1.26
+++ src/org/eclipse/jdt/core/tests/model/JavadocBugsCompletionModelTest.java	12 May 2009 11:33:20 -0000
@@ -1129,4 +1129,46 @@
 		"field[FIELD_REF]{field, Lbugs.b171016.BasicTestBugs;, I, field, null, "+this.positions+R_DRICNRNS+"}"
 	);
 }
+/**
+ * @bug 255752 [javadoc][assist] Inappropriate completion proposals for javadoc at compilation unit level 
+ * @test that there are no tag completions offered at the compilation unit level for a non package-info.java
+ * @see "https://bugs.eclipse.org/bugs/show_bug.cgi?id=255752"
+ */
+public void testBug255752() throws JavaModelException {
+	String source =
+		"/**\n" +
+		" *\n" +
+		" * @\n" +
+		" */" +
+		"package javadoc.bugs;\n" +
+		"public class BasicTestBugs {}\n";
+	completeInJavadoc("/Completion/src/javadoc/bugs/BasicTestBugs.java", source, true, "@", -1);
+	assertSortedResults("");
+}
+/**
+ * Additional tests for bug 255752
+ * @test whether an orphan Javadoc comment gets all the possible tags applicable to the class level.
+ */
+public void testBug255752a() throws JavaModelException {
+	String source =
+		"/**\n" +
+		" *\n" +
+		" * @\n" +
+		" */" +
+		"\n";
+	completeInJavadoc("/Completion/src/javadoc/bugs/BasicTestBugs.java", source, true, "@", -1);
+	assertResults(
+			"author[JAVADOC_BLOCK_TAG]{@author, null, null, author, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"deprecated[JAVADOC_BLOCK_TAG]{@deprecated, null, null, deprecated, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"see[JAVADOC_BLOCK_TAG]{@see, null, null, see, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"version[JAVADOC_BLOCK_TAG]{@version, null, null, version, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"category[JAVADOC_BLOCK_TAG]{@category, null, null, category, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"since[JAVADOC_BLOCK_TAG]{@since, null, null, since, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"serial[JAVADOC_BLOCK_TAG]{@serial, null, null, serial, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"link[JAVADOC_INLINE_TAG]{{@link}, null, null, link, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"docRoot[JAVADOC_INLINE_TAG]{{@docRoot}, null, null, docRoot, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"linkplain[JAVADOC_INLINE_TAG]{{@linkplain}, null, null, linkplain, null, "+this.positions+JAVADOC_RELEVANCE+"}\n" +
+			"value[JAVADOC_INLINE_TAG]{{@value}, null, null, value, null, "+this.positions+JAVADOC_RELEVANCE+"}"
+		);
+}
 }
#P org.eclipse.jdt.core
Index: codeassist/org/eclipse/jdt/internal/codeassist/complete/CompletionOnJavadocTag.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/codeassist/org/eclipse/jdt/internal/codeassist/complete/CompletionOnJavadocTag.java,v
retrieving revision 1.7
diff -u -r1.7 CompletionOnJavadocTag.java
--- codeassist/org/eclipse/jdt/internal/codeassist/complete/CompletionOnJavadocTag.java	7 Mar 2009 00:58:59 -0000	1.7
+++ codeassist/org/eclipse/jdt/internal/codeassist/complete/CompletionOnJavadocTag.java	12 May 2009 11:33:27 -0000
@@ -11,6 +11,7 @@
 package org.eclipse.jdt.internal.codeassist.complete;
 
 import org.eclipse.jdt.core.compiler.CharOperation;
+import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
 import org.eclipse.jdt.internal.compiler.ast.JavadocSingleNameReference;
 import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
 import org.eclipse.jdt.internal.compiler.lookup.ClassScope;
@@ -89,6 +90,16 @@
 		char[][] specifiedTags = null;
 		switch (kind) {
 			case Scope.COMPILATION_UNIT_SCOPE:
+				// bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=255752
+				// Check for FAKE_TYPE_NAME to allow proposals (@see CompletionParser#consumeCompilationUnit)
+				CompilationUnitDeclaration compilationUnit = scope.referenceCompilationUnit();
+				if (compilationUnit != null &&
+						(compilationUnit.types.length > 0 && compilationUnit.types[0].name == CompletionParser.FAKE_TYPE_NAME)) {
+					specifiedTags = CLASS_TAGS;
+				} else {
+					specifiedTags = COMPILATION_UNIT_TAGS;
+				}
+				break;
 			case Scope.CLASS_SCOPE:
 				specifiedTags = CLASS_TAGS;
 				break;
Index: compiler/org/eclipse/jdt/internal/compiler/parser/JavadocTagConstants.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/parser/JavadocTagConstants.java,v
retrieving revision 1.20
diff -u -r1.20 JavadocTagConstants.java
--- compiler/org/eclipse/jdt/internal/compiler/parser/JavadocTagConstants.java	28 Apr 2009 16:53:02 -0000	1.20
+++ compiler/org/eclipse/jdt/internal/compiler/parser/JavadocTagConstants.java	12 May 2009 11:33:28 -0000
@@ -212,6 +212,7 @@
 		TAG_DOC_ROOT,
 		TAG_VALUE,
 	};
+	public static final char[][] COMPILATION_UNIT_TAGS = {};
 	public static final char[][] CLASS_TAGS = {
 		TAG_SEE,
 		TAG_SINCE,