| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.turbine.binder; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.turbine.testing.TestClassPaths.TURBINE_BOOTCLASSPATH; |
| import static org.junit.Assert.fail; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.turbine.binder.Processing.ProcessorInfo; |
| import com.google.turbine.diag.TurbineError; |
| import com.google.turbine.parse.Parser; |
| import com.google.turbine.tree.Tree.CompUnit; |
| import java.util.Arrays; |
| import java.util.Optional; |
| import java.util.Set; |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.TypeElement; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class BinderErrorTest { |
| |
| @Parameters |
| public static Iterable<Object[]> parameters() { |
| String[][][] testCases = { |
| { |
| { |
| "package a;", // |
| "public class A extends NoSuch {", |
| "}", |
| }, |
| { |
| "<>:2: error: could not resolve NoSuch", |
| "public class A extends NoSuch {", |
| " ^", |
| } |
| }, |
| { |
| { |
| "package a;", // |
| "class A {", |
| "}", |
| "class B extends A.NoSuch {", |
| "}", |
| }, |
| { |
| "<>:4: error: symbol not found a.A$NoSuch", // |
| "class B extends A.NoSuch {", |
| " ^", |
| } |
| }, |
| { |
| { |
| "package a;", // |
| "class A<T> {}", |
| "class B extends A<NoSuch> {}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuch", |
| "class B extends A<NoSuch> {}", |
| " ^", |
| } |
| }, |
| { |
| { |
| "@interface Anno {}", // |
| "@Anno(foo=100, bar=200) class Test {}", |
| }, |
| { |
| "<>:2: error: could not resolve element foo() in Anno", // |
| "@Anno(foo=100, bar=200) class Test {}", |
| " ^", |
| "<>:2: error: could not resolve element bar() in Anno", // |
| "@Anno(foo=100, bar=200) class Test {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@interface Anno { int foo() default 0; }", // |
| "@Anno(foo=100, bar=200) class Test {}", |
| }, |
| { |
| "<>:2: error: could not resolve element bar() in Anno", // |
| "@Anno(foo=100, bar=200) class Test {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "interface Test {", // |
| " float x = 1ef;", |
| "}", |
| }, |
| { |
| "<>:2: error: unexpected input: f", // |
| " float x = 1ef;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "interface Test {", // |
| " double x = 1e;", |
| "}", |
| }, |
| { |
| "<>:2: error: unexpected input: ;", // |
| " double x = 1e;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class A {", // |
| " class I {}", |
| "}", |
| "interface Class<U extends A, V extends U.I> {}", |
| }, |
| { |
| "<>:4: error: type parameter used as type qualifier", |
| "interface Class<U extends A, V extends U.I> {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import p.OuterExtendsInner.Inner;", |
| "public class OuterExtendsInner extends Inner {", |
| " public static class Inner extends Foo {}", |
| "}", |
| }, |
| { |
| "<>:4: error: cycle in class hierarchy: p.OuterExtendsInner$Inner" |
| + " -> p.OuterExtendsInner$Inner", |
| " public static class Inner extends Foo {}", |
| " ^", |
| "<>:4: error: could not resolve Foo", |
| " public static class Inner extends Foo {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import java.lang.NoSuch;", |
| "public class Test extends NoSuch {", |
| "}", |
| }, |
| { |
| "<>:2: error: symbol not found java.lang.NoSuch", // |
| "import java.lang.NoSuch;", |
| " ^", |
| "<>:3: error: could not resolve NoSuch", |
| "public class Test extends NoSuch {", |
| " ^" |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import java.util.List.NoSuch;", |
| "public class Test extends NoSuch {", |
| "}", |
| }, |
| { |
| "<>:2: error: symbol not found java.util.List$NoSuch", // |
| "import java.util.List.NoSuch;", |
| " ^", |
| "<>:3: error: could not resolve NoSuch", |
| "public class Test extends NoSuch {", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import static java.util.List.NoSuch;", |
| "public class Test extends NoSuch {", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuch", // |
| "public class Test extends NoSuch {", |
| " ^" |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import java.util.NoSuch.*;", |
| "public class Test extends NoSuchOther {", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuchOther", |
| "public class Test extends NoSuchOther {", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import java.util.List.NoSuch.*;", |
| "public class Test extends NoSuchOther {", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuchOther", |
| "public class Test extends NoSuchOther {", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import static java.util.NoSuch.*;", |
| "public class Test extends NoSuchOther {", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuchOther", |
| "public class Test extends NoSuchOther {", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import static java.util.List.NoSuch.*;", |
| "public class Test extends NoSuchOther {", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuchOther", |
| "public class Test extends NoSuchOther {", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @Object int x;", |
| "}", |
| }, |
| { |
| "<>:2: error: java.lang.Object is not an annotation", // |
| " @Object int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @Deprecated @Deprecated int x;", |
| "}", |
| }, |
| { |
| "<>:2: error: java.lang.Deprecated is not @Repeatable", // |
| " @Deprecated @Deprecated int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @NoSuch.NoSuch int x;", |
| "}", |
| }, |
| { |
| "<>:2: error: could not resolve NoSuch.NoSuch", // |
| " @NoSuch.NoSuch int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @Deprecated.NoSuch int x;", |
| "}", |
| }, |
| { |
| "<>:2: error: symbol not found java.lang.Deprecated$NoSuch", // |
| " @Deprecated.NoSuch int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @interface Anno {", |
| " int[] value() default 0;", |
| " }", |
| " @Anno(value=Test.NO_SUCH) int x;", |
| "}", |
| }, |
| { |
| "<>:5: error: could not resolve field NO_SUCH", // |
| " @Anno(value=Test.NO_SUCH) int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @interface Anno {", |
| " String value() default \"\";", |
| " }", |
| " @Anno(value=null) int x;", |
| "}", |
| }, |
| { |
| "<>:5: error: invalid annotation argument", // |
| " @Anno(value=null) int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " static final String x = 1;", |
| " static final String x = 2;", |
| "}", |
| }, |
| { |
| "<>:3: error: duplicate declaration of field: x", // |
| " static final String x = 2;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class Test {", // |
| "}", |
| "class Test {", |
| "}", |
| }, |
| { |
| "<>:3: error: duplicate declaration of Test", // |
| "class Test {", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " static class Inner {}", |
| " static class Inner {}", |
| "}", |
| }, |
| { |
| "<>:3: error: duplicate declaration of Test$Inner", // |
| " static class Inner {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "import java.util.List;", // |
| "@interface Anno { Class<?> value() default Object.class; }", |
| "@Anno(List.NoSuch.class)", |
| "public class Test {}", |
| }, |
| { |
| "<>:3: error: symbol not found java.util.List$NoSuch", // |
| "@Anno(List.NoSuch.class)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @interface Anno {", |
| " Class<?>[] value() default Object.class;", |
| " }", |
| " @Anno(value={java.util.Map.Entry}) int x;", |
| "}", |
| }, |
| { |
| "<>:5: error: could not resolve field Entry", // |
| " @Anno(value={java.util.Map.Entry}) int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @interface Anno {", |
| " Class<?>[] value() default Object.class;", |
| " }", |
| " @Anno(value={java.lang.Object}) int x;", |
| "}", |
| }, |
| { |
| "<>:5: error: could not resolve field Object", // |
| " @Anno(value={java.lang.Object}) int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class Cycle extends Cycle {", // |
| " NoSuch f;", |
| "}", |
| }, |
| { |
| "<>:1: error: cycle in class hierarchy: Cycle", |
| "class Cycle extends Cycle {", |
| " ^", |
| "<>:2: error: could not resolve NoSuch", // |
| " NoSuch f;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@interface Anno { int foo() default 0; }", // |
| "@Anno(Foo.CONST)", |
| "class Foo {", |
| " static final int CONST = 42;", |
| "}", |
| }, |
| { |
| "<>:2: error: could not resolve element value() in Anno", // |
| "@Anno(Foo.CONST)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@interface Anno { int foo() default 0; }", // |
| "@Anno(foo = Foo.)", |
| "class Foo {}", |
| }, |
| { |
| "<>:2: error: invalid annotation argument", // |
| "@Anno(foo = Foo.)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "import java.util.Map;", // |
| "class Foo {", |
| " Map.Entry.NoSuch<List> ys;", |
| "}", |
| }, |
| { |
| "<>:3: error: symbol not found java.util.Map$Entry$NoSuch", // |
| " Map.Entry.NoSuch<List> ys;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "import java.util.List;", // |
| "class Foo {", |
| " NoSuch<List> xs;", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve NoSuch", // |
| " NoSuch<List> xs;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "import java.util.List;", // |
| "class Foo {", |
| " java.util.NoSuch<List> xs;", |
| "}", |
| }, |
| { |
| "<>:3: error: could not resolve java.util.NoSuch", // |
| " java.util.NoSuch<List> xs;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import java.util.List.NoSuchAnno;", |
| "@NoSuchAnno", |
| "public class Test {", |
| "}", |
| }, |
| { |
| "<>:2: error: symbol not found java.util.List$NoSuchAnno", |
| "import java.util.List.NoSuchAnno;", |
| " ^", |
| "<>:3: error: could not resolve NoSuchAnno", |
| "@NoSuchAnno", |
| "^", |
| }, |
| }, |
| { |
| { |
| "package p;", // |
| "import java.lang.annotation.Retention;", |
| "import java.lang.annotation.RetentionPolicy;", |
| "@Retention(@RetentionPolicy.RUNTIME)", |
| "public @interface A {", |
| "}", |
| }, |
| { |
| "<>:4: error: could not resolve RUNTIME", |
| "@Retention(@RetentionPolicy.RUNTIME)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@interface Param {", |
| " Class<?> type();", |
| "}", |
| "class Foo<T> {", |
| " @Param(type = T.class)", |
| " public void bar() {}", |
| "}", |
| }, |
| { |
| "<>:5: error: unexpected type parameter T", |
| " @Param(type = T.class)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class One {", |
| " @interface A {", // |
| " B[] b();", |
| " }", |
| " @interface B {}", |
| "}", |
| "@One.A(b = {@B})", |
| "class T {}", |
| }, |
| { |
| "<>:7: error: could not resolve B", |
| "@One.A(b = {@B})", |
| " ^", |
| "<>:7: error: could not evaluate constant expression", |
| "@One.A(b = {@B})", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class One {", |
| " @interface A {", // |
| " B[] b();", |
| " }", |
| " @interface B {}", |
| "}", |
| "@One.A(b = {@One.NoSuch})", |
| "class T {}", |
| }, |
| { |
| "<>:7: error: could not resolve NoSuch", // |
| "@One.A(b = {@One.NoSuch})", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @interface Anno {", |
| " Class<?> value() default Object.class;", |
| " }", |
| " @Anno(NoSuch.class) int x;", |
| " @Anno(NoSuch.class) int y;", |
| "}", |
| }, |
| { |
| "<>:5: error: could not resolve NoSuch", |
| " @Anno(NoSuch.class) int x;", |
| " ^", |
| "<>:6: error: could not resolve NoSuch", |
| " @Anno(NoSuch.class) int y;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @A @B void f() {}", |
| "}", |
| }, |
| { |
| "<>:2: error: could not resolve A", |
| " @A @B void f() {}", |
| " ^", |
| "<>:2: error: could not resolve B", |
| " @A @B void f() {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @A(\"bar\") void f() {}", |
| "}", |
| }, |
| { |
| "<>:2: error: could not resolve A", // |
| " @A(\"bar\") void f() {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@NoSuch", |
| "@interface A {", // |
| "}", |
| }, |
| { |
| "<>:1: error: could not resolve NoSuch", // |
| "@NoSuch", |
| "^", |
| }, |
| }, |
| { |
| { |
| "public class Test {", // |
| " @String @String int x;", |
| "}", |
| }, |
| { |
| "<>:2: error: java.lang.String is not an annotation", |
| " @String @String int x;", |
| " ^", |
| "<>:2: error: java.lang.String is not an annotation", |
| " @String @String int x;", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@interface Anno {", |
| " int value();", |
| "}", |
| "enum E {", |
| " ONE", |
| "}", |
| "@Anno(value = E.ONE)", |
| "interface Test {}", |
| }, |
| { |
| "<>:7: error: could not evaluate constant expression", // |
| "@Anno(value = E.ONE)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class T extends T {}", |
| }, |
| { |
| "<>:1: error: cycle in class hierarchy: T", "class T extends T {}", " ^", |
| }, |
| }, |
| { |
| { |
| "class T implements T {}", |
| }, |
| { |
| "<>:1: error: cycle in class hierarchy: T", |
| "class T implements T {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "class T {", // |
| " static final String s = \"a\" + + \"b\";", |
| "}", |
| }, |
| { |
| "<>:2: error: bad operand type String", |
| " static final String s = \"a\" + + \"b\";", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "import java.util.List;", |
| "class T {", // |
| " List<int> xs = new ArrayList<>();", |
| "}", |
| }, |
| { |
| "<>:3: error: unexpected type int", // |
| " List<int> xs = new ArrayList<>();", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "@interface A {", |
| " int[] xs() default {};", |
| "}", |
| "@A(xs = Object.class)", |
| "class T {", |
| "}", |
| }, |
| { |
| "<>:4: error: could not evaluate constant expression", |
| "@A(xs = Object.class)", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package foobar;", |
| "import java.lang.annotation.Retention;", |
| "@Retention", |
| "@interface Test {}", |
| }, |
| { |
| "<>:3: error: missing required annotation argument: value", // |
| "@Retention", |
| "^", |
| }, |
| }, |
| { |
| { |
| "interface Test {", // |
| " static final void f() {}", |
| "}", |
| }, |
| { |
| "<>:2: error: unexpected modifier: final", // |
| " static final void f() {}", |
| " ^", |
| }, |
| }, |
| { |
| { |
| "package foobar;", |
| "import java.lang.annotation.Retention;", |
| "@Retention", |
| "@Retention", |
| "@interface Test {}", |
| }, |
| { |
| "<>:3: error: missing required annotation argument: value", |
| "@Retention", |
| "^", |
| "<>:4: error: missing required annotation argument: value", |
| "@Retention", |
| "^", |
| "<>:3: error: java.lang.annotation.Retention is not @Repeatable", |
| "@Retention", |
| "^", |
| }, |
| }, |
| }; |
| return Arrays.asList((Object[][]) testCases); |
| } |
| |
| final String[] source; |
| final String[] expected; |
| |
| public BinderErrorTest(String[] source, String[] expected) { |
| this.source = source; |
| this.expected = expected; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| try { |
| Binder.bind( |
| ImmutableList.of(parseLines(source)), |
| ClassPathBinder.bindClasspath(ImmutableList.of()), |
| TURBINE_BOOTCLASSPATH, |
| /* moduleVersion=*/ Optional.empty()) |
| .units(); |
| fail(Joiner.on('\n').join(source)); |
| } catch (TurbineError e) { |
| assertThat(e).hasMessageThat().isEqualTo(lines(expected)); |
| } |
| } |
| |
| @SupportedAnnotationTypes("*") |
| static class HelloWorldProcessor extends AbstractProcessor { |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latestSupported(); |
| } |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| return false; |
| } |
| } |
| |
| // exercise error reporting with annotation enabled, which should be identical |
| @Test |
| public void testWithProcessors() throws Exception { |
| try { |
| Binder.bind( |
| ImmutableList.of(parseLines(source)), |
| ClassPathBinder.bindClasspath(ImmutableList.of()), |
| ProcessorInfo.create( |
| ImmutableList.of(new HelloWorldProcessor()), |
| /* loader= */ getClass().getClassLoader(), |
| /* options= */ ImmutableMap.of(), |
| SourceVersion.latestSupported()), |
| TURBINE_BOOTCLASSPATH, |
| /* moduleVersion=*/ Optional.empty()) |
| .units(); |
| fail(Joiner.on('\n').join(source)); |
| } catch (TurbineError e) { |
| assertThat(e).hasMessageThat().isEqualTo(lines(expected)); |
| } |
| } |
| |
| private static CompUnit parseLines(String... lines) { |
| return Parser.parse(lines(lines)); |
| } |
| |
| private static String lines(String... lines) { |
| return Joiner.on(System.lineSeparator()).join(lines); |
| } |
| } |
