/** @deprecated using deprecated code */
public void testConditionalExpression() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= (k == 0) ? 1 : 2;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // change compare expression, then expression & else expression
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
ConditionalExpression condExpression = (ConditionalExpression) assignment.getRightHandSide();
BooleanLiteral literal = ast.newBooleanLiteral(true);
rewrite.replace(condExpression.getExpression(), literal, null);
SimpleName newThenExpre = ast.newSimpleName("x");
rewrite.replace(condExpression.getThenExpression(), newThenExpre, null);
InfixExpression infixExpression = ast.newInfixExpression();
infixExpression.setLeftOperand(ast.newNumberLiteral("1"));
infixExpression.setRightOperand(ast.newNumberLiteral("2"));
infixExpression.setOperator(InfixExpression.Operator.PLUS);
rewrite.replace(condExpression.getElseExpression(), infixExpression, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= true ? x : 1 + 2;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
public void testArrayAccess() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("", false, null);
StringBuffer buf = new StringBuffer();
buf.append("function foo(o) {\n");
buf.append(" o[3 /* comment*/ - 1]= this.o[3 - 1];\n");
buf.append("}\n");
buf.append("");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // replace left hand side index, replace right hand side index by left side index
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
ArrayAccess left = (ArrayAccess) assignment.getLeftHandSide();
ArrayAccess right = (ArrayAccess) assignment.getRightHandSide();
NumberLiteral name = ast.newNumberLiteral("1");
rewrite.replace(left.getIndex(), name, null);
ASTNode placeHolder = rewrite.createCopyTarget(left.getIndex());
rewrite.replace(right.getIndex(), placeHolder, null);
SimpleName newName = ast.newSimpleName("o");
rewrite.replace(right.getArray(), newName, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append("function foo(o) {\n");
buf.append(" o[1]= o[3 /* comment*/ - 1];\n");
buf.append("}\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testPostfixExpression() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= x--;\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 1", statements.size() == 1);
{ // modify operand and operation
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
Assignment assignment = (Assignment) stmt.getExpression();
PostfixExpression postExpression = (PostfixExpression) assignment.getRightHandSide();
NumberLiteral newOperation = ast.newNumberLiteral("10");
rewrite.replace(postExpression.getOperand(), newOperation, null);
rewrite.set(
postExpression,
PostfixExpression.OPERATOR_PROPERTY,
PostfixExpression.Operator.INCREMENT,
null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" i= 10++;\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}
/** @deprecated using deprecated code */
public void testMethodInvocation() throws Exception {
IPackageFragment pack1 = this.sourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" foo(1, 2).goo();\n");
buf.append(" }\n");
IJavaScriptUnit cu = pack1.createCompilationUnit("E.js", buf.toString(), false, null);
JavaScriptUnit astRoot = createAST(cu);
ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRoot.getAST();
assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
// TypeDeclaration type= findTypeDeclaration(astRoot, "E");
FunctionDeclaration methodDecl = findMethodDeclaration(astRoot, "foo");
Block block = methodDecl.getBody();
List statements = block.statements();
assertTrue("Number of statements not 3", statements.size() == 3);
{ // remove expression, add param, change name
ExpressionStatement stmt = (ExpressionStatement) statements.get(0);
FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
rewrite.remove(invocation.getExpression(), null);
SimpleName name = ast.newSimpleName("x");
rewrite.replace(invocation.getName(), name, null);
ASTNode arg = ast.newNumberLiteral("1");
rewrite
.getListRewrite(invocation, FunctionInvocation.ARGUMENTS_PROPERTY)
.insertLast(arg, null);
}
{ // insert expression, delete params
ExpressionStatement stmt = (ExpressionStatement) statements.get(1);
FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
FunctionInvocation leftInvocation = (FunctionInvocation) invocation.getExpression();
SimpleName newExpression = ast.newSimpleName("x");
rewrite.set(leftInvocation, FunctionInvocation.EXPRESSION_PROPERTY, newExpression, null);
List args = leftInvocation.arguments();
rewrite.remove((ASTNode) args.get(0), null);
rewrite.remove((ASTNode) args.get(1), null);
}
{ // remove expression, add it as parameter
ExpressionStatement stmt = (ExpressionStatement) statements.get(2);
FunctionInvocation invocation = (FunctionInvocation) stmt.getExpression();
ASTNode placeHolder = rewrite.createCopyTarget(invocation.getExpression());
rewrite.set(invocation, FunctionInvocation.EXPRESSION_PROPERTY, null, null);
rewrite
.getListRewrite(invocation, FunctionInvocation.ARGUMENTS_PROPERTY)
.insertLast(placeHolder, null);
}
String preview = evaluateRewrite(cu, rewrite);
buf = new StringBuffer();
buf.append(" function foo() {\n");
buf.append(" x(1);\n");
buf.append(" x.foo().goo();\n");
buf.append(" goo(foo(1, 2));\n");
buf.append(" }\n");
assertEqualString(preview, buf.toString());
}