Examples with SquidClassLoader org.sonar.java.bytecode.loader.SquidClassLoader used on opensource projects

Example 6 with SquidClassLoader

use of org.sonar.java.bytecode.loader.SquidClassLoader in project sonar-java by SonarSource.

the class BytecodeCompleterTest method test_loading_java9_class.

@Test
public void test_loading_java9_class() throws Exception {
    BytecodeCompleter bytecodeCompleter = new BytecodeCompleter(new SquidClassLoader(Collections.singletonList(new File("src/test/files/bytecode/java9/bin"))), new ParametrizedTypeCache());
    new Symbols(bytecodeCompleter);
    TypeJavaSymbol classSymbol = (TypeJavaSymbol) bytecodeCompleter.loadClass("org.test.Hello9");
    classSymbol.complete();
    assertThat(classSymbol.getFullyQualifiedName()).isEqualTo("org.test.Hello9");
    assertThat(classSymbol.memberSymbols()).hasSize(2);
}

Example 7 with SquidClassLoader

use of org.sonar.java.bytecode.loader.SquidClassLoader in project sonar-java by SonarSource.

the class BytecodeCompleterTest method test_loading_java9_iface.

@Test
public void test_loading_java9_iface() throws Exception {
    BytecodeCompleter bytecodeCompleter = new BytecodeCompleter(new SquidClassLoader(Collections.singletonList(new File("src/test/files/bytecode/java9/bin"))), new ParametrizedTypeCache());
    new Symbols(bytecodeCompleter);
    TypeJavaSymbol iface = (TypeJavaSymbol) bytecodeCompleter.loadClass("org.test.IfaceTest");
    iface.complete();
    assertThat(iface.getFullyQualifiedName()).isEqualTo("org.test.IfaceTest");
    assertThat(iface.memberSymbols()).hasSize(3);
    assertThat(iface.isInterface()).isTrue();
    JavaSymbol.MethodJavaSymbol privateMethod = (JavaSymbol.MethodJavaSymbol) Iterables.getOnlyElement(iface.lookupSymbols("privateMethod"));
    assertThat(privateMethod.flags()).isEqualTo(Flags.PRIVATE);
    JavaSymbol.MethodJavaSymbol defaultMethod = (JavaSymbol.MethodJavaSymbol) Iterables.getOnlyElement(iface.lookupSymbols("defaultMethod"));
    assertThat(defaultMethod.flags()).isEqualTo(Flags.DEFAULT | Flags.PUBLIC);
    JavaSymbol.MethodJavaSymbol staticMethod = (JavaSymbol.MethodJavaSymbol) Iterables.getOnlyElement(iface.lookupSymbols("staticMethod"));
    assertThat(staticMethod.flags()).isEqualTo(Flags.STATIC | Flags.PUBLIC);
}

Example 8 with SquidClassLoader

use of org.sonar.java.bytecode.loader.SquidClassLoader in project sonar-java by SonarSource.

the class LeastUpperBoundTest method treeOf.

private static CompilationUnitTree treeOf(String... lines) {
    StringBuilder builder = new StringBuilder();
    for (String line : lines) {
        builder.append(line).append(System.lineSeparator());
    }
    CompilationUnitTree cut = (CompilationUnitTree) JavaParser.createParser().parse(builder.toString());
    SemanticModel.createFor(cut, new SquidClassLoader(Lists.newArrayList(new File("target/test-classes"), new File("target/classes"))));
    return cut;
}

Example 9 with SquidClassLoader

use of org.sonar.java.bytecode.loader.SquidClassLoader in project sonar-java by SonarSource.

the class NullableAnnotationUtilsTest method getSemanticModel.

private static SemanticModel getSemanticModel(String fileName, List<File> classPath) {
    CompilationUnitTree cut = (CompilationUnitTree) JavaParser.createParser().parse(new File(fileName));
    SemanticModel semanticModel = SemanticModel.createFor(cut, new SquidClassLoader(classPath));
    return semanticModel;
}

Example 10 with SquidClassLoader

use of org.sonar.java.bytecode.loader.SquidClassLoader in project sonar-java by SonarSource.

the class MethodYieldTest method constraints_on_varargs.

@Test
public void constraints_on_varargs() throws Exception {
    ActionParser<Tree> p = JavaParser.createParser();
    CompilationUnitTree cut = (CompilationUnitTree) p.parse(new File("src/test/files/se/VarArgsYields.java"));
    SemanticModel semanticModel = SemanticModel.createFor(cut, new SquidClassLoader(new ArrayList<>()));
    SymbolicExecutionVisitor sev = new SymbolicExecutionVisitor(Lists.newArrayList(new SECheck[] {}), new BehaviorCache(new SquidClassLoader(new ArrayList<>())));
    JavaFileScannerContext context = mock(JavaFileScannerContext.class);
    when(context.getTree()).thenReturn(cut);
    when(context.getSemanticModel()).thenReturn(semanticModel);
    sev.scanFile(context);
    MethodSymbol methodSymbol = ((MethodTree) ((ClassTree) cut.types().get(0)).members().get(0)).symbol();
    MethodBehavior mb = getMethodBehavior(sev, "varArgMethod");
    List<MethodYield> yields = mb.yields();
    assertThat(yields).hasSize(5);
    assertThat(mb.exceptionalPathYields()).hasSize(4);
    MethodYield yield = mb.happyPathYields().findFirst().get();
    // check that we have NOT_NULL constraint on the first argument
    assertThat(yield.parametersConstraints.get(0).get(ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    // check that we have NOT_NULL constraint on the variadic argument
    assertThat(yield.parametersConstraints.get(1).get(ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    List<IdentifierTree> usages = methodSymbol.usages();
    assertThat(usages).hasSize(6);
    List<List<Type>> arguments = usages.stream().map(MethodYieldTest::getMethodIncoationArgumentsTypes).collect(Collectors.toList());
    ProgramState ps = ProgramState.EMPTY_STATE;
    ProgramState psResult;
    SymbolicValue svFirstArg = new SymbolicValue();
    SymbolicValue svVarArg1 = new SymbolicValue();
    SymbolicValue svVarArg2 = new SymbolicValue();
    SymbolicValue svResult = new SymbolicValue();
    // apply constraint NotNull to parameter
    Collection<ProgramState> arrayOfA = yield.statesAfterInvocation(Lists.newArrayList(svFirstArg, svVarArg1), arguments.get(0), ps, () -> svResult).collect(Collectors.toList());
    assertThat(arrayOfA).hasSize(1);
    psResult = arrayOfA.iterator().next();
    assertThat(psResult.getConstraint(svFirstArg, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    assertThat(psResult.getConstraint(svVarArg1, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    // apply constraint NotNull to parameter (B[] is a subtype of A[])
    Collection<ProgramState> arrayOfB = yield.statesAfterInvocation(Lists.newArrayList(svFirstArg, svVarArg1), arguments.get(1), ps, () -> svResult).collect(Collectors.toList());
    assertThat(arrayOfB).hasSize(1);
    psResult = arrayOfB.iterator().next();
    assertThat(psResult.getConstraint(svFirstArg, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    assertThat(psResult.getConstraint(svVarArg1, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    // no constraint, as 'a' is not an array
    Collection<ProgramState> objectA = yield.statesAfterInvocation(Lists.newArrayList(svFirstArg, svVarArg1), arguments.get(2), ps, () -> svResult).collect(Collectors.toList());
    assertThat(objectA).hasSize(1);
    psResult = objectA.iterator().next();
    assertThat(psResult.getConstraint(svFirstArg, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    assertThat(psResult.getConstraint(svVarArg1, ObjectConstraint.class)).isNull();
    // no constraint, as 'a' and 'b' can not receive the constraint of the array
    Collection<ProgramState> objectsAandB = yield.statesAfterInvocation(Lists.newArrayList(svFirstArg, svVarArg1, svVarArg2), arguments.get(3), ps, () -> svResult).collect(Collectors.toList());
    assertThat(objectsAandB).hasSize(1);
    psResult = objectsAandB.iterator().next();
    assertThat(psResult.getConstraint(svFirstArg, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    assertThat(psResult.getConstraint(svVarArg1, ObjectConstraint.class)).isNull();
    assertThat(psResult.getConstraint(svVarArg2, ObjectConstraint.class)).isNull();
    // no param, we only learn something about the argument which is not variadic
    Collection<ProgramState> noParam = yield.statesAfterInvocation(Lists.newArrayList(svFirstArg), arguments.get(4), ps, () -> svResult).collect(Collectors.toList());
    assertThat(noParam).hasSize(1);
    psResult = noParam.iterator().next();
    assertThat(psResult.getConstraint(svFirstArg, ObjectConstraint.class)).isEqualTo(ObjectConstraint.NOT_NULL);
    // null param, contradiction, no resulting program state
    ps = ProgramState.EMPTY_STATE.addConstraint(svFirstArg, ObjectConstraint.NULL);
    Collection<ProgramState> nullParam = yield.statesAfterInvocation(Lists.newArrayList(svFirstArg, svVarArg1), arguments.get(5), ps, () -> svResult).collect(Collectors.toList());
    assertThat(nullParam).isEmpty();
}