Home » Language IDEs » Java Development Tools (JDT) » Different bahaviour of code completion in Junit and in editor of JDT codeAssist
| Different bahaviour of code completion in Junit and in editor of JDT codeAssist [message #1759434] |
Tue, 11 April 2017 16:31  |
 bhuvan gupta
Messages: 1
Registered: April 2017 |
Junior Member |
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I am playing with the junit test case of JDT
org.eclipse.jdt.core.tests.model.CompletionTests18
String x = "import java.util.Map;" +
"public class X { \n" +
"public void main() {\n" +
"Map"+
"} \n"+
"}\n";
public void test002() throws JavaModelException {
this.workingCopies = new ICompilationUnit[1];
long t = System.currentTimeMillis();
this.workingCopies[0] = getWorkingCopy(
"/Completion/src/X.java",x);
boolean ignoreAll = false;
boolean showModifiers = true;
boolean showTokenPositions = true;
boolean showMissingTypes = true;
boolean shortContext = true;
boolean showPositions = true;
boolean showUniqueKeys = true;
boolean showParamNames = true;
CompletionTestsRequestor2 requestor = new CompletionTestsRequestor2(ignoreAll,
showParamNames,showUniqueKeys,showPositions,
shortContext, showMissingTypes,showTokenPositions,
showModifiers);
requestor.allowAllRequiredProposals();
String str = this.workingCopies[0].getSource();
String completeBehind = "Map";
int cursorLocation = str.lastIndexOf(completeBehind) + completeBehind.length();
this.workingCopies[0].codeComplete(cursorLocation, requestor, this.wcOwner);
System.out.println("Proposals ans:" + requestor.getResults());
The result i get for Map is
Map[TYPE_REF]{Map, java.util, Ljava.util.Map;, null, null, null(PARAMERNTER NAME), null, replace[124, 127], token[124, 127], public abstract, 56}
Note that the completion text is Map
Now if i try in editor it completes to Map<K, V>
Question 1 : How is editor getting this extra info <K,V>?
-------------------------------------------------------------
Also if i check in editor the suggestion for map[dot] it give get(Object key) where as in junit test i get the information that the argument is Object but i dont find information that it variable name is key
Question 2: where does this info comes from?
[Updated on: Wed, 12 April 2017 12:51] Report message to a moderator |
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| Re: Different bahaviour of code completion in Junit and in editor of JDT codeAssist [message #1759588 is a reply to message #1759434] |
Thu, 13 April 2017 13:31  |
Stephan Herrmann
Messages: 1853
Registered: July 2009 |
Senior Member |
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As you are already looking at JDT code, I believe the answer to your Question1 to be in or around org.eclipse.jdt.internal.codeassist.CompletionEngine.createTypeProposal(ReferenceBinding, char[], int, char[], int, Binding[], int[], int[], boolean)
Regarding the type arguments, e.g., look at
proposal.setDeclarationSignature(refBinding.qualifiedPackageName());
proposal.setSignature(getCompletedTypeSignature(refBinding)); |
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