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

Example 11 with StatementTree

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

the class JavaTreeModelTest method local_variable_declaration.

/**
 * 14.4. Local Variable Declaration Statements
 */
@Test
public void local_variable_declaration() {
    BlockTree block = ((MethodTree) firstTypeMember("class T { void m() { int a = 42, b[]; final @Nullable int c = 42; } }")).block();
    List<StatementTree> declarations = block.body();
    assertThat(declarations).hasSize(3);
    VariableTree tree = (VariableTree) declarations.get(0);
    assertThat(tree.is(Tree.Kind.VARIABLE)).isTrue();
    assertThat(tree.modifiers().modifiers()).isEmpty();
    assertThat(tree.type()).isInstanceOf(PrimitiveTypeTree.class);
    assertThat(tree.simpleName().name()).isEqualTo("a");
    assertThat(tree.initializer()).isNotNull();
    assertThat(tree.endToken()).isNotNull();
    assertThat(tree.endToken().text()).isEqualTo(",");
    assertThatChildrenIteratorHasSize(tree, 6);
    tree = (VariableTree) declarations.get(1);
    assertThat(tree.is(Tree.Kind.VARIABLE)).isTrue();
    assertThat(tree.modifiers().modifiers()).isEmpty();
    assertThat(tree.type()).isInstanceOf(ArrayTypeTree.class);
    assertThatArrayTypeHasBrackets((ArrayTypeTree) tree.type());
    assertThat(tree.simpleName().name()).isEqualTo("b");
    assertThat(tree.initializer()).isNull();
    assertThat(tree.endToken()).isNotNull();
    assertThat(tree.endToken().text()).isEqualTo(";");
    assertThatChildrenIteratorHasSize(tree, 4);
    // TODO Test annotation
    tree = (VariableTree) declarations.get(2);
    assertThat(tree.is(Tree.Kind.VARIABLE)).isTrue();
    assertThat(tree.modifiers().modifiers()).hasSize(1);
    assertThat(tree.modifiers().modifiers().get(0).modifier()).isEqualTo(Modifier.FINAL);
    assertThat(tree.type()).isInstanceOf(PrimitiveTypeTree.class);
    assertThat(tree.simpleName().name()).isEqualTo("c");
    assertThat(tree.initializer()).isNotNull();
    assertThat(tree.endToken()).isNotNull();
    assertThat(tree.endToken().text()).isEqualTo(";");
    assertThatChildrenIteratorHasSize(tree, 6);
}

Example 12 with StatementTree

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

the class VariableReadExtractorTest method should_not_extract_fields_written.

@Test
public void should_not_extract_fields_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(), true);
    statementTree.accept(extractor);
    // local variable "a" and field "field"
    assertThat(extractor.usedVariables()).isEmpty();
}

Example 13 with StatementTree

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

the class VariableReadExtractorTest method should_not_extract_variable_declared.

@Test
public void should_not_extract_variable_declared() throws Exception {
    MethodTree methodTree = buildMethodTree("void foo(boolean a) { boolean b = a; }");
    StatementTree statementTree = methodTree.block().body().get(0);
    VariableReadExtractor extractor = new VariableReadExtractor(methodTree.symbol(), true);
    statementTree.accept(extractor);
    // only "a" should be detected
    assertThat(extractor.usedVariables()).hasSize(1);
}

Example 14 with StatementTree

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

the class VariableReadExtractorTest method should_return_symbol_once.

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

Example 15 with StatementTree

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

the class VariableReadExtractorTest method should_extract_local_vars_read.

@Test
public void should_extract_local_vars_read() {
    MethodTree methodTree = buildMethodTree("void foo(boolean a) { new Object() { void foo() { System.out.println(a);} };  }");
    StatementTree statementTree = methodTree.block().body().get(0);
    VariableReadExtractor extractor = new VariableReadExtractor(methodTree.symbol(), false);
    statementTree.accept(extractor);
    assertThat(extractor.usedVariables()).hasSize(1);
}