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Experimental tests to figure-out JDT.UI test failures #3527

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Experimental tests to figure-out JDT.UI test failures #3527

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205 changes: 205 additions & 0 deletions ...odel/src/org/eclipse/jdt/core/tests/rewrite/describing/ASTRewritingRecordPatternTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -580,4 +580,209 @@ public void testModifyRecordInstanceOfPattern() throws Exception {
assertEqualString(preview, buf.toString());
}

public void testModifyTypePattern_a() throws Exception {
if (checkAPILevel()) {
return;
}
String contents = """
public class X {
protected String getString(Number number) {
if (number instanceof Long n) {
return n.toString();
}
if (number instanceof Float n) {
return n.toString();
}
if (number instanceof Double n) {
return n.toString();
}
if (number instanceof Float n && n.isInfinite()) {
return "Inf"; //$NON-NLS-1$
}
if (number instanceof Double m && m.isInfinite()) {
}
return null;
}
}
""";
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);

ICompilationUnit cu= pack1.createCompilationUnit("X.java", contents, false, null);

CompilationUnit astRoot= createAST(this.apiLevel, cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());

AST ast= astRoot.getAST();

assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);TypeDeclaration type= findTypeDeclaration(astRoot, "X");
MethodDeclaration methodDecl= findMethodDeclaration(type, "getString");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 6);
{
PatternInstanceofExpression pia1 = ast.newPatternInstanceofExpression();
pia1.setLeftOperand(ast.newSimpleName("number"));

SingleVariableDeclaration svd1 = ast.newSingleVariableDeclaration();
svd1.setType(ast.newSimpleType(ast.newSimpleName("Float")));
svd1.setName(ast.newSimpleName("n"));

TypePattern tp1 = ast.newTypePattern();
if(this.apiLevel < AST.JLS22) {
tp1.setPatternVariable(svd1);
} else {
tp1.setPatternVariable((VariableDeclaration) svd1);
}
pia1.setPattern(tp1);


InfixExpression ie1 = ast.newInfixExpression();
ie1.setLeftOperand(pia1);

MethodInvocation mi1 = ast.newMethodInvocation();
mi1.setName(ast.newSimpleName("isInfinite"));
mi1.setExpression(ast.newSimpleName("n"));

ie1.setRightOperand(mi1);
ie1.setOperator(InfixExpression.Operator.CONDITIONAL_AND);

ParenthesizedExpression pe1 = ast.newParenthesizedExpression();
pe1.setExpression(ie1);



PatternInstanceofExpression pia2 = ast.newPatternInstanceofExpression();
pia2.setLeftOperand(ast.newSimpleName("number"));

SingleVariableDeclaration svd2 = ast.newSingleVariableDeclaration();
svd2.setType(ast.newSimpleType(ast.newSimpleName("Double")));
svd2.setName(ast.newSimpleName("n"));

TypePattern tp2 = ast.newTypePattern();
if(this.apiLevel < AST.JLS22) {
tp2.setPatternVariable(svd2);
} else {
tp2.setPatternVariable((VariableDeclaration) svd2);
}
pia2.setPattern(tp2);


InfixExpression ie2 = ast.newInfixExpression();
ie2.setLeftOperand(pia2);

MethodInvocation mi2 = ast.newMethodInvocation();
mi2.setName(ast.newSimpleName("isInfinite"));
mi2.setExpression(ast.newSimpleName("n"));

ie2.setRightOperand(mi2);
ie2.setOperator(InfixExpression.Operator.CONDITIONAL_AND);

ParenthesizedExpression pe2 = ast.newParenthesizedExpression();
pe2.setExpression(ie2);

InfixExpression ieMain = ast.newInfixExpression();
ieMain.setLeftOperand(pe1);
ieMain.setRightOperand(pe2);
ieMain.setOperator(InfixExpression.Operator.CONDITIONAL_OR);
IfStatement ifStatement = ast.newIfStatement();
ifStatement.setExpression(ieMain);


rewrite.remove((ASTNode) blockStatements.get(3), null);

rewrite.replace((ASTNode) blockStatements.get(4), ifStatement, null);
}

String modifiedString = """
public class X {
protected String getString(Number number) {
if (number instanceof Long n) {
return n.toString();
}
if (number instanceof Float n) {
return n.toString();
}
if (number instanceof Double n) {
return n.toString();
}
if ((number instanceof Float n && n.isInfinite()) || (number instanceof Double n && n.isInfinite())) {
}
return null;
}
}
""";
String preview= evaluateRewrite(cu, rewrite);
assertEqualString(preview, modifiedString);

}

public void testModifyTypePattern_b() throws Exception {
if (checkAPILevel()) {
return;
}
IPackageFragment pack1= this.sourceFolder.createPackageFragment("test1", false, null);

String content = """
public class X {
public void foo(Object x) {
if (x instanceof E1.InternalStaticClass) { // comment 1
System.out.println("xxx");
}
}
}
""";

ICompilationUnit cu= pack1.createCompilationUnit("X.java", content, false, null);

CompilationUnit astRoot= createAST(this.apiLevel, cu);
ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());

AST ast= astRoot.getAST();

assertTrue("Parse errors", (astRoot.getFlags() & ASTNode.MALFORMED) == 0);
TypeDeclaration type= findTypeDeclaration(astRoot, "X");
MethodDeclaration methodDecl= findMethodDeclaration(type, "foo");
Block block= methodDecl.getBody();
List blockStatements= block.statements();
assertTrue("Number of statements not 1", blockStatements.size() == 1);

{
IfStatement ifStatement = (IfStatement) blockStatements.get(0);
Expression ie = ifStatement.getExpression();

SingleVariableDeclaration svd = ast.newSingleVariableDeclaration();
svd.setName(ast.newSimpleName("t"));

QualifiedName qn = ast.newQualifiedName(ast.newSimpleName("E1"), ast.newSimpleName("InternalStaticClass"));
svd.setType(ast.newSimpleType(qn));

TypePattern tp = ast.newTypePattern();
if(this.apiLevel < AST.JLS22) {
tp.setPatternVariable(svd);
} else {
tp.setPatternVariable((VariableDeclaration)svd);
}

PatternInstanceofExpression pie = ast.newPatternInstanceofExpression();
pie.setPattern(tp);
pie.setLeftOperand(ast.newSimpleName("x"));

rewrite.replace(ie, pie, null);

}

String modifiedString = """
public class X {
public void foo(Object x) {
if (x instanceof E1.InternalStaticClass t) { // comment 1
System.out.println("xxx");
}
}
}
""";

String preview= evaluateRewrite(cu, rewrite);
assertEqualString(preview, modifiedString);
}

}
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