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

Example 36 with ExpressionTree

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

the class JavaPropertiesHelperTest method null_if_not_get_property.

@Test
public void null_if_not_get_property() throws Exception {
    ExpressionTree tree = firstExpression("void foo(java.util.Properties props){ props.setProperty(\"myKey\", \"myValue\"); }");
    ExpressionTree defaultValue = JavaPropertiesHelper.retrievedPropertyDefaultValue(tree);
    assertThat(defaultValue).isNull();
    tree = firstExpression("void foo(){ System.out.println(); }");
    defaultValue = JavaPropertiesHelper.retrievedPropertyDefaultValue(tree);
    assertThat(defaultValue).isNull();
}

Example 37 with ExpressionTree

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

the class JavaPropertiesHelperTest method null_if_variable_not_initialized.

@Test
public void null_if_variable_not_initialized() throws Exception {
    ExpressionTree tree = firstExpression("void foo(String prop){ foo(myValue);} " + "String myValue;");
    ExpressionTree defaultValue = JavaPropertiesHelper.retrievedPropertyDefaultValue(((MethodInvocationTree) tree).arguments().get(0));
    assertThat(defaultValue).isNull();
}

Example 38 with ExpressionTree

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

the class JavaPropertiesHelperTest method null_if_variable_not_initilialized_method_invocation.

@Test
public void null_if_variable_not_initilialized_method_invocation() throws Exception {
    ExpressionTree tree = firstExpression("void foo(String prop){ foo(myValue);} " + "java.util.Properties props = new java.util.Properties();" + "String myValue = \"hello\";");
    ExpressionTree defaultValue = JavaPropertiesHelper.retrievedPropertyDefaultValue(((MethodInvocationTree) tree).arguments().get(0));
    assertThat(defaultValue).isNull();
}

Example 39 with ExpressionTree

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

the class ReassignmentFinderTest method outside_method.

@Test
public void outside_method() throws Exception {
    String code = newCode("int b;", "int foo() {", "  return b;", "}");
    ClassTree classTree = classTree(code);
    List<StatementTree> statements = ((MethodTree) classTree.members().get(1)).block().body();
    ExpressionTree variableDeclaration = ((VariableTree) (classTree.members().get(0))).initializer();
    assertThatLastReassignmentsOfReturnedVariableIsEqualTo(statements, variableDeclaration);
}

Example 40 with ExpressionTree

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

the class ReassignmentFinderTest method declaration.

@Test
public void declaration() throws Exception {
    String code = newCode("int foo() {", "  int a = 0;", "  return a;", "}");
    List<StatementTree> statements = methodBody(code);
    ExpressionTree aDeclarationInitializer = initializerFromVariableDeclarationStatement(statements.get(0));
    assertThatLastReassignmentsOfReturnedVariableIsEqualTo(statements, aDeclarationInitializer);
}