/cpp/src/test/java/com/google/test/metric/cpp/dom/NodeTest.java
Java | 144 lines | 104 code | 15 blank | 25 comment | 0 complexity | 89cbd94797899fdd053c7135baeac6ef MD5 | raw file
Possible License(s): Apache-2.0
- /*
- * Copyright 2008 Google Inc.
- *
- * 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.test.metric.cpp.dom;
- import com.google.test.metric.cpp.Parser;
- import junit.framework.TestCase;
- public class NodeTest extends TestCase {
- private TranslationUnit parse(String source) throws Exception {
- return new Parser().parse(source);
- }
- public void testSimpleVariableLookup() throws Exception {
- TranslationUnit unit = parse("void foo() { int a = 0; int b = a; };");
- FunctionDefinition functionFoo = unit.getChild(0);
- VariableDeclaration variableB = functionFoo.getChild(1);
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNotNull(variableA);
- assertEquals(functionFoo.getChild(0), variableA);
- }
- public void testVariableLookup() throws Exception {
- TranslationUnit unit = parse("void foo() { int a = 0; if (a == 0) { int b = a; } }");
- FunctionDefinition functionFoo = unit.getChild(0);
- IfStatement ifStatement = functionFoo.getChild(1);
- VariableDeclaration variableB = ifStatement.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNotNull(variableA);
- assertEquals(functionFoo.getChild(0), variableA);
- }
- public void testGlobalVariableLookup() throws Exception {
- TranslationUnit unit = parse("int a = 0; void foo() { int b = a; }");
- FunctionDefinition functionFoo = unit.getChild(1);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNotNull(variableA);
- assertEquals(unit.getChild(0), variableA);
- }
- public void testVariableLookupFailure() throws Exception {
- TranslationUnit unit = parse("void foo() { if (true) { int a = 0; } int b = 1; }");
- FunctionDefinition functionFoo = unit.getChild(0);
- VariableDeclaration variableB = functionFoo.getChild(1);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNull(variableA);
- }
- public void testUnnamedNamespaceVariableLookup() throws Exception {
- TranslationUnit unit = parse("namespace { int a = 0; } void foo() { int b = a; }");
- FunctionDefinition functionFoo = unit.getChild(1);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNotNull(variableA);
- Namespace namespace = unit.getChild(0);
- assertEquals(namespace.getChild(0), variableA);
- }
- public void testNamedNamespaceVariableLookup() throws Exception {
- TranslationUnit unit = parse("namespace A { int a = 0; } void foo() { int b = A::a; }");
- FunctionDefinition functionFoo = unit.getChild(1);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("A::a");
- assertNotNull(variableA);
- Namespace namespaceA = unit.getChild(0);
- assertEquals(namespaceA.getChild(0), variableA);
- }
- public void testComplexNamespaceVariableLookup() throws Exception {
- TranslationUnit unit = parse("namespace A { namespace B { int a = 0; } } void foo() { int b = A::B::a; }");
- FunctionDefinition functionFoo = unit.getChild(1);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("A::B::a");
- assertNotNull(variableA);
- Namespace namespaceA = unit.getChild(0);
- Namespace namespaceB = namespaceA.getChild(0);
- assertEquals(namespaceB.getChild(0), variableA);
- }
- public void testNamespaceVariableLookup() throws Exception {
- TranslationUnit unit = parse("namespace A { namespace B { int a = 0; } } namespace C { void foo() { int b = A::B::a; } }");
- Namespace namespaceC = unit.getChild(1);
- FunctionDefinition functionFoo = namespaceC.getChild(0);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("A::B::a");
- assertNotNull(variableA);
- Namespace namespaceA = unit.getChild(0);
- Namespace namespaceB = namespaceA.getChild(0);
- assertEquals(namespaceB.getChild(0), variableA);
- }
- public void testLateVariableLookup() throws Exception {
- TranslationUnit unit = parse("void foo() { int b = a; } int a = 0;");
- FunctionDefinition functionFoo = unit.getChild(0);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNull(variableA);
- }
- public void testFieldLookup() throws Exception {
- TranslationUnit unit = parse("class A{ int a; void foo() { int b = a; } };");
- ClassDeclaration classA = unit.getChild(0);
- FunctionDefinition functionFoo = classA.getChild(1);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNotNull(variableA);
- assertEquals("a", variableA.getName());
- }
- public void testFieldLookupPostDeclaration() throws Exception {
- TranslationUnit unit = parse("class A{ void foo() { int b = a; } int a; };");
- ClassDeclaration classA = unit.getChild(0);
- FunctionDefinition functionFoo = classA.getChild(0);
- VariableDeclaration variableB = functionFoo.getChild(0);
- // lookup variable a in the context of declaration of variable b
- VariableDeclaration variableA = variableB.lookupVariable("a");
- assertNotNull(variableA);
- assertEquals("a", variableA.getName());
- }
- }