/*******************************************************************************
 * Copyright (c) 2006, 2008 Wind River Systems, Inc. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Anton Leherbauer (Wind River Systems) - initial API and implementation
 *     Bryan Wilkinson (QNX)
 *     Markus Schorn (Wind River Systems)
 *     IBM Corporation
 *******************************************************************************/
package org.eclipse.cdt.ui.tests.text.contentassist2;

import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

import junit.framework.Test;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.text.IDocument;

import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.testplugin.TestScannerProvider;
import org.eclipse.cdt.core.testplugin.util.BaseTestCase;
import org.eclipse.cdt.core.testplugin.util.TestSourceReader;

/**
 * A collection of code completion tests.
 *
 * @since 4.0
 */
public class CompletionTests extends AbstractContentAssistTest {

	private static final String HEADER_FILE_NAME = "CompletionTest.h";
	private static final String SOURCE_FILE_NAME = "CompletionTest.cpp";
	private static final String CURSOR_LOCATION_TAG = "/*cursor*/";
	private static final String DISTURB_FILE_NAME= "DisturbWith.cpp";
	
	protected int fCursorOffset;
	private boolean fCheckExtraResults= true;
	private IProject fProject;
	
	
	//{DisturbWith.cpp}
	// int gTemp;
	// void gFunc();
	// typedef struct {
	//    int mem;
	// } gStruct;
	// class gClass {};
	// namespace gns {
	//    int gnsTemp;
	//    void gnsFunc();
	//    typedef struct {
	//      int mem;
	//    } gnsStruct;
	//    class gnsClass {};
	// };

	//{CompletionTest.h}
	//class C1;
	//class C2;
	//class C3;
	//
	//extern C1* gC1;
	//C2* gC2 = 0;
	//
	//extern C1* gfC1();
	//C2* gfC2();
	//
	//enum E1 {e11, e12};
	//
	//class C1 {
	//public:
	//		enum E2 {e21, e22};
	//
	//		C1* fMySelf;
	//		void iam1();
	//
	//		C1* m123();
	//		C1* m12();
	//		C1* m13();
	//
	//private:
	//		void m1private();
	//};
	//typedef C1 T1;
	//
	//
	//class C2 : public T1 {
	//public:
	//		C2* fMySelf;
	//		void iam2();
	//
	//		C2* m123();
	//		C2* m12();
	//		C2* m23();
	//      C1* operator()(int x);
	//
	//private:
	//		void m2private();
	//};
	//typedef C2 T2;
	//
	//
	//class C3 : public C2 {
	//public:
	//		C3* fMySelf;
	//		void iam3();
	//
	//		C3* m123();
	//		C3* m13();
	//
	//  	template<typename T> T tConvert();
	//private:
	//		void m3private();
	//};
	//typedef C3 T3;
	//
	//namespace ns {
	//   const int NSCONST= 1;
	//   class CNS {
	//	      void mcns();
	//   };
	//};
	//template <class T> class TClass {
	//	T fTField;
	//public:
	//	TClass(T tArg) : fTField(tArg) {
	//	}
	//	T add(T tOther) {
	//		return fTField + tOther;
	//	}
	//};
	//// bug 109480
	//class Printer
	//{
	//public:
	//	static void InitPrinter(unsigned char port);
	//private:
	//	//Storage for port printer is on
	//	static unsigned char port;
	//protected:
	//};
	//struct Struct1;
	//struct Struct2;
	//union Union1;
	//union Union2;
	//	struct s206450 {
	//		struct {int a1; int a2;};
	//		union {int u1; char u2;};
	//		struct {int a3;} a4;
	//		int b;
	//	};
	// typedef enum {__nix} _e204758;
	// void _f204758(_e204758 x);


	public CompletionTests(String name) {
		super(name, true);
	}

	public static Test suite() {
		return BaseTestCase.suite(CompletionTests.class, "_");
	}
	
	/*
	 * @see org.eclipse.cdt.ui.tests.text.contentassist2.AbstractCompletionTest#setUpProjectContent(org.eclipse.core.resources.IProject)
	 */
	@Override
	protected IFile setUpProjectContent(IProject project) throws Exception {
		fProject= project;
		String headerContent= readTaggedComment(HEADER_FILE_NAME);
		StringBuffer sourceContent= getContentsForTest(1)[0];
		sourceContent.insert(0, "#include \""+HEADER_FILE_NAME+"\"\n");
		fCursorOffset= sourceContent.indexOf(CURSOR_LOCATION_TAG);
		assertTrue("No cursor location specified", fCursorOffset >= 0);
		sourceContent.delete(fCursorOffset, fCursorOffset+CURSOR_LOCATION_TAG.length());
		assertNotNull(createFile(project, HEADER_FILE_NAME, headerContent));
		return createFile(project, SOURCE_FILE_NAME, sourceContent.toString());
	}

	/*
	 * @see org.eclipse.cdt.ui.tests.text.contentassist2.AbstractContentAssistTest#doCheckExtraResults()
	 */
	@Override
	protected boolean doCheckExtraResults() {
		return fCheckExtraResults;
	}
	
	private void setCheckExtraResults(boolean check) {
		fCheckExtraResults= check;
	}
	
	private void assertMinimumCompletionResults(int offset, String[] expected, int compareType) throws Exception {
		setCheckExtraResults(false);
		try {
			assertCompletionResults(offset, expected, compareType);
		} finally {
			setCheckExtraResults(true);
		}
	}

	protected void assertCompletionResults(int offset, String[] expected, int compareType) throws Exception {
		assertContentAssistResults(offset, expected, true, compareType);
	}
	
	protected void assertCompletionResults(String[] expected) throws Exception {
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	//void gfunc() {C1 v; v.m/*cursor*/
	public void _testLocalVariable() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void gfunc() {C1 v; v.fMySelf.m/*cursor*/
	public void _testLocalVariable_MemberVariable() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void gfunc() {C1 v; v.m12().m/*cursor*/
	public void _testLocalVariable_MemberFunction() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void gfunc() {gfC1().m/*cursor*/
	public void _testGlobalFunction() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C1::self() {m/*cursor*/
	public void testOwnMember() throws Exception {
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)", "m1private(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C1::self() {this->m/*cursor*/
	public void testOwnMemberViaThis() throws Exception {
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)", "m1private(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void gfunc() {try{int bla;}catch(C1 v) {v.fMySelf.m/*cursor*/
	public void _testCatchBlock1() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void gfunc() {try{int bla;}catch(C2 c){} catch(C1 v) {v.fMySelf.m/*cursor*/
	public void _testCatchBlock2() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {gC/*cursor*/
	public void testGlobalVariables_GlobalScope() throws Exception {
		final String[] expected= {
				"gC1", "gC2"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C1::f() {gC/*cursor*/
	public void testGlobalVariables_MethodScope() throws Exception {
		final String[] expected= {
				"gC1", "gC2"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C2* cLocal1; while(true) {C1* cLocal2; cL/*cursor*/
	public void testLocalVariables_GlobalScope() throws Exception {
		final String[] expected= {
				"cLocal1", "cLocal2"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C2::f() {C2* cLocal1; while(true) {C1* cLocal2; cL/*cursor*/
	public void testLocalVariables_MethodScope() throws Exception {
		final String[] expected= {
				"cLocal1", "cLocal2"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C2* cLocal1; cLocal1.f/*cursor*/
	public void testDataMembers_GlobalScope() throws Exception {
		final String[] expected= {
				"fMySelf"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C2::f() {while(true) {f/*cursor*/
	public void testDataMembers_MethodScope() throws Exception {
		final String[] expected= {
				"fMySelf"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {gf/*cursor*/
	public void testGlobalFunctions_GlobalScope() throws Exception {
		final String[] expected= {
				"gfC1(void)", "gfC2(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C3::f() {gf/*cursor*/
	public void testGlobalFunctions_MethodScope() throws Exception {
		final String[] expected= {
				"gfC1(void)", "gfC2(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1* l1; l1.m/*cursor*/
	public void _testMethods_GlobalScope() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C3::f() {m/*cursor*/
	public void _testMethods_MethodScope() throws Exception {
		// fails because of additional m1private(void)
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172305
		final String[] expected= {
				"m123(void)", "m12(void)", "m13(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C/*cursor*/
	public void testTypes_GlobalScope() throws Exception {
		final String[] expected= {
				"C1", "C2", "C3"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C2::f() {T/*cursor*/
	public void testTypes_MethodScope() throws Exception {
		final String[] expected= {
				"T1", "T2", "T3", "TClass"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//namespace ns {void nsfunc(){C/*cursor*/
	public void testTypes_NamespaceScope() throws Exception {
		final String[] expected= {
				"C1", "C2", "C3", "CNS"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//namespace ns {void gfunc(){::C/*cursor*/
	public void testTypes_GlobalQualification() throws Exception {
		final String[] expected= {
				"C1", "C2", "C3"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//void f() {e/*cursor*/
	public void testEnums_GlobalScope() throws Exception {
		final String[] expected= {
				"e11", "e12", "E1"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void C3::f() {e/*cursor*/
	public void testEnums_MethodScope() throws Exception {
		final String[] expected= {
				"e11", "e12", "e21", "e22", "E1", "E2"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.C/*cursor*/
	public void testQualificationForAccess1() throws Exception {
		// TLETODO ordering is significant here (currently ignored)
		final String[] expected= {
				"C3", "C2", "C1"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C2* l1; l1.C/*cursor*/
	public void testQualificationForAccess2() throws Exception {
		// TLETODO ordering is significant here (currently ignored)
		final String[] expected= {
				"C2", "C1"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.C3::fMySelf.iam/*cursor*/
	public void testQualifiedAccess1() throws Exception {
		// TLETODO ordering is significant here (currently ignored)
		final String[] expected= {
				"iam3(void)", "iam2(void)", "iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.C2::fMySelf.iam/*cursor*/
	public void testQualifiedAccess2() throws Exception {
		// TLETODO ordering is significant here (currently ignored)
		final String[] expected= {
				"iam2(void)", "iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.C1::fMySelf.iam/*cursor*/
	public void testQualifiedAccess3() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.T3::fMySelf.iam/*cursor*/
	public void testQualifiedAccess_TypedefAsQualifier1() throws Exception {
		// TLETODO ordering is significant here (currently ignored)
		final String[] expected= {
				"iam3(void)", "iam2(void)", "iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.T2::fMySelf.iam/*cursor*/
	public void testQualifiedAccess_TypedefAsQualifier2() throws Exception {
		// TLETODO ordering is significant here (currently ignored)
		final String[] expected= {
				"iam2(void)", "iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C3* l1; l1.T1::fMySelf.iam/*cursor*/
	public void testQualifiedAccess_TypedefAsQualifier3() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1().iam/*cursor*/
	public void testTemporaryObject() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1 c; (&c)->iam/*cursor*/
	public void testAddressOf() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1* c; (*c).iam/*cursor*/
	public void testDereferencingOperator1() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1** c; (**c).iam/*cursor*/
	public void testDereferencingOperator2() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1** c; (*c)->iam/*cursor*/
	public void testDereferencingOperator3() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1* c; c[0].iam/*cursor*/
	public void testArrayAccessOperator1() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1** c; c[0][1].iam/*cursor*/
	public void testArrayAccessOperator2() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1** c; c[0]->iam/*cursor*/
	public void testArrayAccessOperator3() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1* c; (&c[0])->iam/*cursor*/
	public void testArrayAccessOperator4() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {void* c; ((C1*)c)->iam/*cursor*/
	public void testCasts1() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void g(int a) {}; void f() {void* c; g(((C1*)c)->iam/*cursor*/
	public void testCasts2() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {C1* c; c++->iam/*cursor*/
	public void testPointerArithmetic1() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1* c; (*++c).iam/*cursor*/
	public void testPointerArithmetic2() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1* c; c--->iam/*cursor*/
	public void testPointerArithmetic3() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1 c; (&c+1)->iam/*cursor*/
	public void testPointerArithmetic4() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void f() {C1 c; (&c-1)->iam/*cursor*/
	public void testPointerArithmetic5() throws Exception {
		final String[] expected= {
				"iam1(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//void f() {int localVar=0; if (*cond && somefunc(&local/*cursor*/
	public void testNestedCalls() throws Exception {
		final String[] expected= {
				"localVar"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//int a[] = {1,2}; void f(int _0306_b) {_0306_b/*cursor*/
	public void testCuttingInput1() throws Exception {
		final String[] expected= {
				"_0306_b"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//int a[] = {1,2}; void f(int b) {int _0306_b[] = {2,3}; _0306_b/*cursor*/
	public void testCuttingInput2() throws Exception {
		final String[] expected= {
				"_0306_b"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//enum EnumType function() {int _031209_v; _031209/*cursor*/
	public void testDisturbingMacros() throws Exception {
		final String[] expected= {
				"_031209_v"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}

	//namespace ns {void x() {NSCO/*cursor*/
	public void testAccessToNamespaceFromClassMember1() throws Exception {
		final String[] expected= {
				"NSCONST"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	//void ns::CNS::mcns(){NSCO/*cursor*/
	public void testAccessToNamespaceFromClassMember2() throws Exception {
		final String[] expected= {
				"NSCONST"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//#i/*cursor*/
	public void testCompletePreprocessorDirective() throws Exception {
		final String[] expected= {
				"#if", "#ifdef", "#ifndef", "#include"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//#  d/*cursor*/
	public void testCompletePreprocessorDirective2() throws Exception {
		final String[] expected= {
				"define "
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	//#  if d/*cursor*/
	public void testCompletePreprocessorDirective3() throws Exception {
		final String[] expected= {
				"defined"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//void gfunc(){TClass<int> t(0); t.a/*cursor*/
	public void testTemplateClassMethod() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172436
		final String[] expected= {
				"add(int)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//void gfunc(){C3 c3; c3.t/*cursor*/
	public void testTemplateMethod() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=172436
		final String[] expected= {
				"tConvert(void)"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//using namespace ns;void gfunc(){NSC/*cursor*/
	public void testUsingDirective() throws Exception {
		final String[] expected= {
				"NSCONST"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//void gfunc(){n/*cursor*/
	public void testAutoColons() throws Exception {
		final String[] expected= {
				"ns::"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	//using namespace /*cursor*/
	public void testAutoColons2() throws Exception {
		final String[] expected= {
				"ns"
		};
		assertCompletionResults(fCursorOffset, expected,
				AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	//// to_be_replaced_
	//void gfunc(){aNew/*cursor*/
	public void testGlobalVariableBeforeSave_Bug180883() throws Exception {
		String replace=   "// to_be_replaced_";
		String globalVar= "int aNewGlobalVar;";
		IDocument doc= getDocument();
		int idx= doc.get().indexOf(replace);
		doc.replace(idx, replace.length(), globalVar);

		// succeeds when buffer is saved
//		fEditor.doSave(new NullProgressMonitor());
//		EditorTestHelper.joinBackgroundActivities((AbstractTextEditor)fEditor);

		final String[] expected= {
				"aNewGlobalVar"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	//void Printer::InitPrinter(unsigned char port) {
	//	Printer::/*cursor*/
	public void testPrivateStaticMember_Bug109480() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=109480
		final String[] expected= {
				"InitPrinter()", "port"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	// class vector3 {
	// public:
	//   void blah(const vector3& v) { x += v./*cursor*/; }
	//   float x;
	// };
	public void _testForwardMembersInInlineMethods_Bug185652() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=185652
		final String[] expected= {
				"x"
		};
		assertMinimumCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	// void Pri/*cursor*/
	public void testMethodDefinitionClassName_Bug190296() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=190296
		final String[] expected= {
				"Printer::"
		};
		assertMinimumCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// typedef struct {
    //    int sx;
    // } my_struct;
    //
    // void func(my_struct s);
    //
    // void test() {
    //    fun/*cursor*/
	public void testFunctionWithTypedefToAnonymousType_bug192787() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=192787
		final String[] expected= {
				"func(my_struct s) : void"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_DISP_STRINGS);
	}
	
	// namespace gns {
	//   void test() {
	//      g/*cursor*/
	public void testBindingsWithoutDeclaration() throws Exception {
		// gC1all, gStruct, gnsClass, gnsStruct: fix for 214146, type from a source file is not proposed.
		final String[] expected= {
			"gC1", "gC2", "gfC1()", "gfC2()",
			"gns::", "gnsFunc()", "gnsTemp",
			"gFunc()", "gTemp"
		};
		final String[] expected2= {
				"gC1", "gC2", "gfC1()", "gfC2()", "gns::"
		};
		String disturbContent= readTaggedComment(DISTURB_FILE_NAME);
		IFile dfile= createFile(fProject, DISTURB_FILE_NAME, disturbContent);
		assertTrue(CCorePlugin.getIndexManager().joinIndexer(8000, NPM));
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
		
		dfile.delete(true, NPM);
		assertTrue(CCorePlugin.getIndexManager().joinIndexer(8000, NPM));
		assertCompletionResults(fCursorOffset, expected2, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// struct Struct/*cursor*/
	public void testElaboratedTypeSpecifierStruct_bug208710() throws Exception {
		final String[] expected= { "Struct1", "Struct2" };
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// struct Union/*cursor*/
	public void testElaboratedTypeSpecifierNotStruct_bug208710() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// struct C/*cursor*/
	public void testElaboratedTypeSpecifierNotStruct2_bug208710() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// union Union/*cursor*/
	public void testElaboratedTypeSpecifierUnion_bug208710() throws Exception {
		final String[] expected= { "Union1", "Union2" };
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// union Struct/*cursor*/
	public void testElaboratedTypeSpecifierNotUnion_bug208710() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// union C/*cursor*/
	public void testElaboratedTypeSpecifierNotUnion2_bug208710() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// class C/*cursor*/
	public void testElaboratedTypeSpecifierClass_bug208710() throws Exception {
		final String[] expected= { "C1", "C2", "C3" };
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// class Struct/*cursor*/
	public void testElaboratedTypeSpecifierNotClass_bug208710() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
    // void test() {
    //    C1::/*cursor*/
	public void testEnumInClass_bug199598() throws Exception {
		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=199598
		final String[] expected= {
				"E2", "e21", "e22"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_ID_STRINGS);
	}
	
	// class Union/*cursor*/
	public void testElaboratedTypeSpecifierNotClass2_bug208710() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// void func() {float a; a= 1./*cursor*/}
	public void testCompletionInFloatingPointLiteral_Bug193464() throws Exception {
		final String[] expected= new String[0];
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	
	// #ifdef __cplusplus__
	// extern "C" {
	// #endif
	// void c_linkage();
	// #ifdef __cplusplus__
	// }
	// #endif
	
	// #include "header191315.h"
	
	// #include "header191315.h"
	// void xxx() { c_lin/*cursor*/
	public void testExternC_bug191315() throws Exception {
		StringBuffer[] content= getContentsForTest(3);
		createFile(fProject, "header191315.h", content[0].toString());
		createFile(fProject, "source191315.c", content[0].toString());
		createFile(fProject, "source191315.cpp", content[0].toString());
		IFile dfile= createFile(fProject, "header191315.h", content[0].toString());
		TestSourceReader.waitUntilFileIsIndexed(CCorePlugin.getIndexManager().getIndex(fCProject), dfile, 8000);
		final String[] expected= {
			"c_linkage()"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	//#include "/*cursor*/
	public void testInclusionProposals_bug113568() throws Exception {
		File tempRoot= new File(System.getProperty("java.io.tmpdir"));
		File tempDir= new File(tempRoot, "cdttest_113568");
		tempDir.mkdir();
		try {
			createIncludeFiles(tempDir, new String[] {
				"h1/inc1.h",
				"h1/sub1/inc11.h",
				"h2/inc2.h"
			});
			String[] expected= {
				"\"inc1.h\"",
				"\"sub1/\"",
				"\"inc2.h\""
			};
			assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);

			getDocument().replace(fCursorOffset++, 0, "i");
			expected= new String[] {
				"\"inc1.h\"",
				"\"inc2.h\""
			};
			assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);

			getDocument().replace(fCursorOffset, 0, "\"");
			expected= new String[] {
				"\"inc1.h",
				"\"inc2.h"
			};
			assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);

			createFile(fProject, "inc113568.h", "");
			expected= new String[] {
				"\"inc1.h",
				"\"inc113568.h",
				"\"inc2.h"
			};
			assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);

			getDocument().replace(fCursorOffset-1, 1, "sub1/");
			expected= new String[] {
				"\"sub1/inc11.h"
			};
			assertCompletionResults(fCursorOffset+=4, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
		} finally {
			deleteDir(tempDir);
		}
	}

	public static void deleteDir(File dir) {
		File[] files = dir.listFiles();
		for (File file : files) {
			if (file.isDirectory()) {
				deleteDir(file);
			} else {
				file.delete();
			}
		}
		dir.delete();
	}

	private static void createIncludeFiles(File dir, String[] files) throws IOException {
		Set<String> includeDirs= new HashSet<String>();
		for (String file2 : files) {
			File file = new File(dir, file2);
			final File parentFile= file.getParentFile();
			if (parentFile.getName().startsWith("sub")) {
				if (!parentFile.exists()) {
					parentFile.mkdirs();
				}
			} else if (includeDirs.add(parentFile.getAbsolutePath())) {
				parentFile.mkdirs();
			}
			file.createNewFile();
		}
		TestScannerProvider.sIncludes= includeDirs.toArray(new String[includeDirs.size()]);
	}

	// void test() {
	// int local;
	// switch(loc/*cursor*/
	public void testSwitchStatement() throws Exception {
		final String[] expected= {
				"local"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}


	// void test() {
	// int local;
	// while(loc/*cursor*/
	public void testWhileStatement() throws Exception {
		final String[] expected= {
				"local"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	// void test() {
	// int local;
	// for(loc/*cursor*/
	public void testForStatement1() throws Exception {
		final String[] expected= {
				"local"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	// void test() {
	// int local;
	// for(int i=0;i<loc/*cursor*/
	public void testForStatement2() throws Exception {
		final String[] expected= {
				"local"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	// void test() {
	// int local;
	// for(int i=0;i<local;loc/*cursor*/
	public void testForStatement3() throws Exception {
		final String[] expected= {
				"local"
		};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	//	#define INIT_PTR(PtrName)   (PtrName) = 0;
	//	class CCApp {
	//	public:
	//	        int pIShell;
	//	};
	//
	//	int main(void) {
	//	   CCApp *pThis = 0;
	//
	//	   INIT_PTR(pTh/*cursor*/);
	//	}
	public void testCompletionInMacroArguments1_Bug200208() throws Exception {
		final String[] expected= {"pThis"};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}

	//	#define INIT_PTR(PtrName)   (PtrName) = 0;
	//	#define COPY_PTR(pTarget, pSource)   (pTarget) = (pSource)
	//
	//	class CCApp {
	//	public:
	//	        int pIShell;
	//	};
	//
	//	int main(void) {
	//	   CCApp *pThis = 0;
	//
	//	   INIT_PTR(pThis);
	//     COPY_PTR(pThis->pIShell, pThis->pI/*cursor*/)
	//	}
	public void testCompletionInMacroArguments2_Bug200208() throws Exception {
		final String[] expected= {"pIShell"};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	//	void test() {
	//		int alocal, blocal;
	//		if (alocal < b/*cursor*/
	public void testCompletionAfterLessThan_Bug229062() throws Exception {
		final String[] expected= {"blocal"};
		assertCompletionResults(fCursorOffset, expected, AbstractContentAssistTest.COMPARE_REP_STRINGS);
	}
	
	//	enum {enum0, enum1, enum2};
	//	typedef struct {
	//	   int byte1;
	//	   int byte2;
	//	} MYSTRUCT_TYPE;
	//	static const MYSTRUCT_TYPE myArrayOfStructs[] = {{enum/*cursor*/
	public void testCompletionInInitializerList_Bug230389() throws Exception {
		final String[] expected= {"enum0", "enum1", "enum2"};
		assertCompletionResults(expected);
	}
	
	// void test() {
	//    C2 c2;
	//    c2(1)->iam/*cursor*/
	public void testUserdefinedCallOperator_Bug231277() throws Exception {
		final String[] expected= {"iam1()"};
		assertCompletionResults(expected);
	}
	
	//  void test() {struct s206450 x; x./*cursor*/
	public void _testNestedAnonymousStructs_Bug206450() throws Exception {
		final String[] expected= {"a1", "a2", "u1", "u2", "a4", "b", "s206450"};
		assertCompletionResults(expected);
	}
	
	//  void test() {_f204758/*cursor*/
	public void testTypedefToAnonymous_Bug204758() throws Exception {
		final String[] expected= {"_f204758(_e204758 x) : void"};
		assertCompletionResults(fCursorOffset, expected, COMPARE_DISP_STRINGS);
	}
}
