__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+import os.path
import sys
import unittest
import SCons.Tool.JavaCommon
+
+# Adding trace=trace to any of the parse_jave() calls below will cause
+# the parser to spit out trace messages of the tokens it sees and the
+# attendant transitions.
+
+def trace(token, newstate):
+ from SCons.Debug import Trace
+ statename = newstate.__class__.__name__
+ Trace('token = %s, state = %s\n' % (repr(token), statename))
+
class parse_javaTestCase(unittest.TestCase):
def test_bare_bones(self):
"""Test a bare-bones class"""
- pkg_dir, classes = SCons.Tool.JavaCommon.parse_java("""\
+ input = """\
package com.sub.bar;
public class Foo
public static void main(String[] args)
{
+ /* This tests a former bug where strings would eat later code. */
+ String hello1 = new String("Hello, world!");
+
}
}
-""")
- assert pkg_dir == 'com/sub/bar', pkg_dir
+"""
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == os.path.join('com', 'sub', 'bar'), pkg_dir
assert classes == ['Foo'], classes
+
+
+ def test_dollar_sign(self):
+ """Test class names with $ in them"""
+
+ input = """\
+public class BadDep {
+ public void new$rand () {}
+}
+"""
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == None, pkg_dir
+ assert classes == ['BadDep'], classes
+
+
+
def test_inner_classes(self):
"""Test parsing various forms of inner classes"""
- pkg_dir, classes = SCons.Tool.JavaCommon.parse_java("""\
+ input = """\
class Empty {
}
public
class
-Test {
+Test implements Listener {
class Inner {
void go() {
use(new Listener() {
/* new Listener() { } */
}
+ class Inner2 {
+ Inner2() { Listener l = new Listener(); }
+ }
+
+ /* Make sure this class doesn't get interpreted as an inner class of the previous one, when "new" is used in the previous class. */
+ class Inner3 {
+
+ }
+
public static void main(String[] args) {
new Test().run();
}
};
}
}
-""")
+"""
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.4')
assert pkg_dir is None, pkg_dir
expect = [
'Empty',
'Listener',
'Test$1',
'Test$Inner',
+ 'Test$Inner2',
+ 'Test$Inner3',
'Test$2',
'Test$3',
'Test',
]
assert classes == expect, classes
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.5')
+ assert pkg_dir is None, pkg_dir
+ expect = [
+ 'Empty',
+ 'Listener',
+ 'Test$Inner$1',
+ 'Test$Inner',
+ 'Test$Inner2',
+ 'Test$Inner3',
+ 'Test$1',
+ 'Test$1$1',
+ 'Test',
+ 'Private$1',
+ 'Private',
+ ]
+ assert classes == expect, (expect, classes)
+
+
+
def test_comments(self):
"""Test a class with comments"""
- pkg_dir, classes = SCons.Tool.JavaCommon.parse_java("""\
+ input = """\
package com.sub.foo;
import java.rmi.Naming;
}
}
}
-""")
+"""
- assert pkg_dir == 'com/sub/foo', pkg_dir
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == os.path.join('com', 'sub', 'foo'), pkg_dir
assert classes == ['Example1'], classes
+
+ def test_arrays(self):
+ """Test arrays of class instances"""
+
+ input = """\
+public class Test {
+ MyClass abc = new MyClass();
+ MyClass xyz = new MyClass();
+ MyClass _array[] = new MyClass[] {
+ abc,
+ xyz
+ }
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == None, pkg_dir
+ assert classes == ['Test'], classes
+
+
+
+ def test_backslash(self):
+ """Test backslash handling"""
+
+ input = """\
+public class MyTabs
+{
+ private class MyInternal
+ {
+ }
+ private final static String PATH = "images\\\\";
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == None, pkg_dir
+ assert classes == ['MyTabs$MyInternal', 'MyTabs'], classes
+
+
+ def test_enum(self):
+ """Test the Java 1.5 enum keyword"""
+
+ input = """\
+package p;
+public enum a {}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == 'p', pkg_dir
+ assert classes == ['a'], classes
+
+
+ def test_anon_classes(self):
+ """Test anonymous classes"""
+
+ input = """\
+public abstract class TestClass
+{
+ public void completed()
+ {
+ new Thread()
+ {
+ }.start();
+
+ new Thread()
+ {
+ }.start();
+ }
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == None, pkg_dir
+ assert classes == ['TestClass$1', 'TestClass$2', 'TestClass'], classes
+
+
+ def test_closing_bracket(self):
+ """Test finding a closing bracket instead of an anonymous class"""
+
+ input = """\
+class TestSCons {
+ public static void main(String[] args) {
+ Foo[] fooArray = new Foo[] { new Foo() };
+ }
+}
+
+class Foo { }
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == None, pkg_dir
+ assert classes == ['TestSCons', 'Foo'], classes
+
+
+ def test_dot_class_attributes(self):
+ """Test handling ".class" attributes"""
+
+ input = """\
+public class Test extends Object
+{
+ static {
+ Class c = Object[].class;
+ Object[] s = new Object[] {};
+ }
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert classes == ['Test'], classes
+
+ input = """\
+public class A {
+ public class B {
+ public void F(Object[] o) {
+ F(new Object[] {Object[].class});
+ }
+ public void G(Object[] o) {
+ F(new Object[] {});
+ }
+ }
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input)
+ assert pkg_dir == None, pkg_dir
+ assert classes == ['A$B', 'A'], classes
+
+ def test_anonymous_classes_with_parentheses(self):
+ """Test finding anonymous classes marked by parentheses"""
+
+ input = """\
+import java.io.File;
+
+public class Foo {
+ public static void main(String[] args) {
+ File f = new File(
+ new File("a") {
+ public String toString() {
+ return "b";
+ }
+ } to String()
+ ) {
+ public String toString() {
+ return "c";
+ }
+ };
+ }
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.4')
+ assert classes == ['Foo$1', 'Foo$2', 'Foo'], classes
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.5')
+ assert classes == ['Foo$1', 'Foo$1$1', 'Foo'], classes
+
+
+
+ def test_nested_anonymous_inner_classes(self):
+ """Test finding nested anonymous inner classes"""
+
+ input = """\
+// import java.util.*;
+
+public class NestedExample
+{
+ public NestedExample()
+ {
+ Thread t = new Thread() {
+ public void start()
+ {
+ Thread t = new Thread() {
+ public void start()
+ {
+ try {Thread.sleep(200);}
+ catch (Exception e) {}
+ }
+ };
+ while (true)
+ {
+ try {Thread.sleep(200);}
+ catch (Exception e) {}
+ }
+ }
+ };
+ }
+
+
+ public static void main(String argv[])
+ {
+ NestedExample e = new NestedExample();
+ }
+}
+"""
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.4')
+ expect = [ 'NestedExample$1', 'NestedExample$2', 'NestedExample' ]
+ assert expect == classes, (expect, classes)
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.5')
+ expect = [ 'NestedExample$1', 'NestedExample$1$1', 'NestedExample' ]
+ assert expect == classes, (expect, classes)
+
+ def test_private_inner_class_instantiation(self):
+ """Test anonymous inner class generated by private instantiation"""
+
+ input = """\
+class test
+{
+ test()
+ {
+ super();
+ new inner();
+ }
+
+ static class inner
+ {
+ private inner() {}
+ }
+}
+"""
+
+ # This is what we *should* generate, apparently due to the
+ # private instantiation of the inner class, but don't today.
+ #expect = [ 'test$1', 'test$inner', 'test' ]
+
+ # What our parser currently generates, which doesn't match
+ # what the Java compiler actually generates.
+ expect = [ 'test$inner', 'test' ]
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.4')
+ assert expect == classes, (expect, classes)
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.5')
+ assert expect == classes, (expect, classes)
+
+ def test_floating_point_numbers(self):
+ """Test floating-point numbers in the input stream"""
+ input = """
+// Broken.java
+class Broken
+{
+ /**
+ * Detected.
+ */
+ Object anonymousInnerOK = new Runnable() { public void run () {} };
+
+ /**
+ * Detected.
+ */
+ class InnerOK { InnerOK () { } }
+
+ {
+ System.out.println("a number: " + 1000.0 + "");
+ }
+
+ /**
+ * Not detected.
+ */
+ Object anonymousInnerBAD = new Runnable() { public void run () {} };
+
+ /**
+ * Not detected.
+ */
+ class InnerBAD { InnerBAD () { } }
+}
+"""
+
+ expect = ['Broken$1', 'Broken$InnerOK', 'Broken$2', 'Broken$InnerBAD', 'Broken']
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.4')
+ assert expect == classes, (expect, classes)
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.5')
+ assert expect == classes, (expect, classes)
+
+
+ def test_genercis(self):
+ """Test that generics don't interfere with detecting anonymous classes"""
+
+ input = """\
+import java.util.Date;
+import java.util.Comparator;
+
+public class Foo
+{
+ public void foo()
+ {
+ Comparator<Date> comp = new Comparator<Date>()
+ {
+ static final long serialVersionUID = 1L;
+ public int compare(Date lhs, Date rhs)
+ {
+ return 0;
+ }
+ };
+ }
+}
+"""
+
+ expect = [ 'Foo$1', 'Foo' ]
+
+ pkg_dir, classes = SCons.Tool.JavaCommon.parse_java(input, '1.6')
+ assert expect == classes, (expect, classes)
+
+
+
if __name__ == "__main__":
suite = unittest.TestSuite()
tclasses = [ parse_javaTestCase ]