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// Keep somewhat in sync with
// langtools/test/tools/javac/annotations/typeAnnotations/referenceinfos/Driver.java
// I removed some unnecessary code, e.g. declarations of @TA.
// I changed expected logic to handle multiple appearances
// of the same qualifier in different positions.
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.TypeAnnotation;
import com.sun.tools.classfile.TypeAnnotation.TargetType;
import java.io.PrintStream;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import org.checkerframework.javacutil.Pair;
public class Driver {
private static final PrintStream out = System.out;
public static void main(String[] args) throws Exception {
if (args.length == 0 || args.length > 1) {
throw new IllegalArgumentException("Usage: java Driver <test-name>");
}
String name = args[0];
Class<?> clazz = Class.forName(name);
new Driver().runDriver(clazz.newInstance());
}
protected void runDriver(Object object) throws Exception {
int passed = 0, failed = 0;
Class<?> clazz = object.getClass();
out.println("Tests for " + clazz.getName());
// Find methods
for (Method method : clazz.getMethods()) {
List<Pair<String, TypeAnnotation.Position>> expected = expectedOf(method);
if (expected == null) {
continue;
}
if (method.getReturnType() != String.class) {
throw new IllegalArgumentException(
"Test method needs to return a string: " + method);
}
String testClass = PersistUtil.testClassOf(method);
try {
String compact = (String) method.invoke(object);
String fullFile = PersistUtil.wrap(compact);
ClassFile cf = PersistUtil.compileAndReturn(fullFile, testClass);
List<TypeAnnotation> actual = ReferenceInfoUtil.extendedAnnotationsOf(cf);
ReferenceInfoUtil.compare(expected, actual, cf);
out.println("PASSED: " + method.getName());
++passed;
} catch (Throwable e) {
out.println("FAILED: " + method.getName());
out.println(" " + e);
++failed;
}
}
out.println();
int total = passed + failed;
out.println(total + " total tests: " + passed + " PASSED, " + failed + " FAILED");
out.flush();
if (failed != 0) {
throw new RuntimeException(failed + " tests failed");
}
}
private List<Pair<String, TypeAnnotation.Position>> expectedOf(Method m) {
TADescription ta = m.getAnnotation(TADescription.class);
TADescriptions tas = m.getAnnotation(TADescriptions.class);
if (ta == null && tas == null) {
return null;
}
List<Pair<String, TypeAnnotation.Position>> result = new ArrayList<>();
if (ta != null) {
result.add(expectedOf(ta));
}
if (tas != null) {
for (TADescription a : tas.value()) {
result.add(expectedOf(a));
}
}
return result;
}
private Pair<String, TypeAnnotation.Position> expectedOf(TADescription d) {
String annoName = d.annotation();
TypeAnnotation.Position p = new TypeAnnotation.Position();
p.type = d.type();
if (d.offset() != NOT_SET) {
p.offset = d.offset();
}
if (d.lvarOffset().length != 0) {
p.lvarOffset = d.lvarOffset();
}
if (d.lvarLength().length != 0) {
p.lvarLength = d.lvarLength();
}
if (d.lvarIndex().length != 0) {
p.lvarIndex = d.lvarIndex();
}
if (d.boundIndex() != NOT_SET) {
p.bound_index = d.boundIndex();
}
if (d.paramIndex() != NOT_SET) {
p.parameter_index = d.paramIndex();
}
if (d.typeIndex() != NOT_SET) {
p.type_index = d.typeIndex();
}
if (d.exceptionIndex() != NOT_SET) {
p.exception_index = d.exceptionIndex();
}
if (d.genericLocation().length != 0) {
p.location =
TypeAnnotation.Position.getTypePathFromBinary(
wrapIntArray(d.genericLocation()));
}
return Pair.of(annoName, p);
}
private List<Integer> wrapIntArray(int[] ints) {
List<Integer> list = new ArrayList<>(ints.length);
for (int i : ints) {
list.add(i);
}
return list;
}
public static final int NOT_SET = -888;
}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@interface TADescription {
String annotation();
TargetType type();
int offset() default Driver.NOT_SET;
int[] lvarOffset() default {};
int[] lvarLength() default {};
int[] lvarIndex() default {};
int boundIndex() default Driver.NOT_SET;
int paramIndex() default Driver.NOT_SET;
int typeIndex() default Driver.NOT_SET;
int exceptionIndex() default Driver.NOT_SET;
int[] genericLocation() default {};
}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@interface TADescriptions {
TADescription[] value() default {};
}
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