Examples with MethodTree org.sonar.plugins.java.api.tree.MethodTree used on opensource projects

Example 91 with MethodTree

use of org.sonar.plugins.java.api.tree.MethodTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method array_method_return_type.

@Test
public void array_method_return_type() {
    MethodTree method;
    ArrayTypeTree arrayTypeTree, childArrayTypeTree;
    method = (MethodTree) firstTypeMember("class T { int[] m(); }");
    assertThat(method.returnType()).isInstanceOf(ArrayTypeTree.class);
    arrayTypeTree = (ArrayTypeTree) method.returnType();
    assertThat(arrayTypeTree.type()).isInstanceOf(PrimitiveTypeTree.class);
    assertThatArrayTypeHasBrackets(arrayTypeTree);
    assertThatChildrenIteratorHasSize(arrayTypeTree, 3);
    method = (MethodTree) firstTypeMember("class T { int @Foo [] m(); }");
    assertThat(method.returnType()).isInstanceOf(ArrayTypeTree.class);
    arrayTypeTree = (ArrayTypeTree) method.returnType();
    assertThat(arrayTypeTree.type()).isInstanceOf(PrimitiveTypeTree.class);
    assertThatArrayTypeHasBracketsAndAnnotations(arrayTypeTree, 1);
    assertThatChildrenIteratorHasSize(arrayTypeTree, 4);
    method = (MethodTree) firstTypeMember("class T { int @Foo @bar [] m(); }");
    assertThat(method.returnType()).isInstanceOf(ArrayTypeTree.class);
    arrayTypeTree = (ArrayTypeTree) method.returnType();
    assertThat(arrayTypeTree.type()).isInstanceOf(PrimitiveTypeTree.class);
    assertThatArrayTypeHasBracketsAndAnnotations(arrayTypeTree, 2);
    assertThatChildrenIteratorHasSize(arrayTypeTree, 5);
    method = (MethodTree) firstTypeMember("class T { int[] @Foo [] m(); }");
    assertThat(method.returnType()).isInstanceOf(ArrayTypeTree.class);
    arrayTypeTree = (ArrayTypeTree) method.returnType();
    assertThatArrayTypeHasBracketsAndAnnotations(arrayTypeTree, 1);
    assertThatChildrenIteratorHasSize(arrayTypeTree, 4);
    childArrayTypeTree = (ArrayTypeTree) arrayTypeTree.type();
    assertThat(childArrayTypeTree).isInstanceOf(ArrayTypeTree.class);
    assertThatArrayTypeHasBrackets(childArrayTypeTree);
    assertThatChildrenIteratorHasSize(childArrayTypeTree, 3);
    assertThat(childArrayTypeTree.openBracketToken().column() < arrayTypeTree.openBracketToken().column()).isTrue();
    assertThat(childArrayTypeTree.type()).isInstanceOf(PrimitiveTypeTree.class);
    method = (MethodTree) firstTypeMember("class T { int[] m()[]; }");
    assertThat(method.returnType()).isInstanceOf(ArrayTypeTree.class);
    arrayTypeTree = (ArrayTypeTree) method.returnType();
    assertThatArrayTypeHasBrackets(arrayTypeTree);
    assertThatChildrenIteratorHasSize(arrayTypeTree, 3);
    childArrayTypeTree = (ArrayTypeTree) arrayTypeTree.type();
    assertThat(childArrayTypeTree).isInstanceOf(ArrayTypeTree.class);
    assertThatArrayTypeHasBrackets(childArrayTypeTree);
    assertThatChildrenIteratorHasSize(childArrayTypeTree, 3);
    assertThat(childArrayTypeTree.openBracketToken().column() < arrayTypeTree.openBracketToken().column()).isTrue();
    assertThat(childArrayTypeTree.type()).isInstanceOf(PrimitiveTypeTree.class);
    method = (MethodTree) firstTypeMember("class T { int[] m() @Foo []; }");
    assertThat(method.returnType()).isInstanceOf(ArrayTypeTree.class);
    arrayTypeTree = (ArrayTypeTree) method.returnType();
    assertThat(arrayTypeTree).isInstanceOf(ArrayTypeTree.class);
    assertThatArrayTypeHasBracketsAndAnnotations(arrayTypeTree, 1);
    assertThatChildrenIteratorHasSize(arrayTypeTree, 4);
    childArrayTypeTree = (ArrayTypeTree) arrayTypeTree.type();
    assertThat(childArrayTypeTree).isInstanceOf(ArrayTypeTree.class);
    assertThatArrayTypeHasBrackets(childArrayTypeTree);
    assertThatChildrenIteratorHasSize(childArrayTypeTree, 3);
    assertThat(childArrayTypeTree.openBracketToken().column() < arrayTypeTree.openBracketToken().column()).isTrue();
    assertThat(childArrayTypeTree.type()).isInstanceOf(PrimitiveTypeTree.class);
}

Example 92 with MethodTree

use of org.sonar.plugins.java.api.tree.MethodTree in project sonar-java by SonarSource.

the class BytecodeCFGBuilderTest method getBytecodeCFG.

public static BytecodeCFG getBytecodeCFG(String methodName, String filename) {
    SquidClassLoader squidClassLoader = new SquidClassLoader(Lists.newArrayList(new File("target/test-classes"), new File("target/classes")));
    File file = new File(filename);
    CompilationUnitTree tree = (CompilationUnitTree) JavaParser.createParser().parse(file);
    SemanticModel.createFor(tree, squidClassLoader);
    List<Tree> classMembers = ((ClassTree) tree.types().get(0)).members();
    Symbol.MethodSymbol symbol = classMembers.stream().filter(m -> m instanceof MethodTree).map(m -> ((MethodTree) m).symbol()).filter(s -> methodName.equals(s.name())).findFirst().orElseThrow(IllegalStateException::new);
    return SETestUtils.bytecodeCFG(((JavaSymbol.MethodJavaSymbol) symbol).completeSignature(), squidClassLoader);
}

Example 93 with MethodTree

use of org.sonar.plugins.java.api.tree.MethodTree in project sonar-java by SonarSource.

the class VariableReadExtractorTest method should_extract_fields_read.

@Test
public void should_extract_fields_read() {
    MethodTree methodTree = buildMethodTree("void foo(boolean a) { bar(p -> { System.out.println(a + field1); foo(this.field2); }); }");
    StatementTree statementTree = methodTree.block().body().get(0);
    VariableReadExtractor extractor = new VariableReadExtractor(methodTree.symbol(), true);
    statementTree.accept(extractor);
    // local variable "a" and fields "field1" and "field2"
    assertThat(extractor.usedVariables()).hasSize(3);
}

Example 94 with MethodTree

use of org.sonar.plugins.java.api.tree.MethodTree in project sonar-java by SonarSource.

the class VariableReadExtractorTest method should_not_extract_local_vars_written.

@Test
public void should_not_extract_local_vars_written() throws Exception {
    MethodTree methodTree = buildMethodTree("void foo(boolean a) { new Object() { void foo() { new A().field1 = 0; a = false;} };  }");
    StatementTree statementTree = methodTree.block().body().get(0);
    VariableReadExtractor extractor = new VariableReadExtractor(methodTree.symbol(), false);
    statementTree.accept(extractor);
    assertThat(extractor.usedVariables()).isEmpty();
    methodTree = buildMethodTree("void foo(boolean a) { new Object() { void foo() { a = !a;} };  }");
    statementTree = methodTree.block().body().get(0);
    extractor = new VariableReadExtractor(methodTree.symbol(), false);
    statementTree.accept(extractor);
    assertThat(extractor.usedVariables()).hasSize(1);
}

Example 95 with MethodTree

use of org.sonar.plugins.java.api.tree.MethodTree in project sonar-java by SonarSource.

the class VariableReadExtractorTest method buildMethodTree.

private static MethodTree buildMethodTree(String methodCode) {
    CompilationUnitTree cut = (CompilationUnitTree) PARSER.parse("class A { int field1; int field2; " + methodCode + " }");
    SemanticModel.createFor(cut, new SquidClassLoader(Collections.emptyList()));
    return (MethodTree) ((ClassTree) cut.types().get(0)).members().get(2);
}