public void testDeadMethod_InnerClassConstructor() throws IOException {
String source = "class A {\n" + " class B {\n" + " B(int i) {}\n" + " }\n" + "}\n";
DeadCodeMap map = DeadCodeMap.builder().addDeadMethod("A$B", "A$B", "(LA;I)V").build();
setDeadCodeMap(map);
String translation = translateSourceFile(source, "A", "A.m");
assertNotInTranslation(translation, "withInt");
}
public void testDeadFields() throws IOException {
String source =
"import static java.lang.System.out;\n"
+ "import static java.lang.System.in;\n"
+ "class A {\n"
+ " private static final int foo = 1;\n"
+ " public static final String bar = \"bar\";\n"
+ " static final double pi = 3.2; // in Indiana only\n"
+ " final String baz = null, bah = \"123\";\n"
+ " private int abc = 9;\n"
+ "}\n";
DeadCodeMap map =
DeadCodeMap.builder()
.addDeadField("A", "foo")
.addDeadField("A", "baz")
.addDeadField("java.lang.System", "in")
.build();
setDeadCodeMap(map);
String translation = translateSourceFile(source, "A", "A.h");
assertTranslation(translation, "#define A_pi 3.2");
assertTranslation(translation, "NSString *bah_;");
assertNotInTranslation(translation, "baz");
translation = getTranslatedFile("A.m");
assertTranslation(translation, "#define A_foo 1");
assertTranslation(translation, "NSString *A_bar = @\"bar\";");
assertTranslation(translation, "abc_ = 9;");
assertTranslation(translation, "JreStrongAssign(&self->bah_, @\"123\");");
assertNotInTranslation(translation, "baz");
}
public void testConstructorGeneration() throws IOException {
DeadCodeMap map =
DeadCodeMap.builder().addDeadClass("A").addDeadMethod("C", "C", "(I)V").build();
setDeadCodeMap(map);
addSourceFile(
"class B {\n" + " public B(int x, boolean y, String z, java.util.List w) {}\n" + "}",
"B.java");
String translation =
translateSourceFile(
"class A extends B {\n"
+ " public A(int i) { super(i, true, \"foo\", new java.util.ArrayList()); }\n"
+ "}\n",
"A",
"A.m");
assertNotInTranslation(translation, "initWithInt");
assertNotInTranslation(translation, "B_init");
translation =
translateSourceFile(
"class C extends B {\n"
+ " public C(int i) { super(i, true, \"foo\", new java.util.ArrayList()); }\n"
+ "}\n",
"C",
"C.m");
assertNotInTranslation(translation, "initWithInt");
assertNotInTranslation(translation, "B_init");
}
public void testDeadClass_DeadInnerClassConstructor() throws IOException {
DeadCodeMap map =
DeadCodeMap.builder()
.addDeadField("Foo$A", "z")
.addDeadField("Foo$A", "this$0")
.addDeadMethod("Foo$A", "Foo$A", "(LFoo;I)V")
.addDeadMethod("Foo$A", "f", "()I")
.build();
setDeadCodeMap(map);
String source =
"public class Foo {\n"
+ " int y;\n"
+ " public Foo(int x) { y = x; }\n"
+ "\n"
+ " class A {\n"
+ " int z;\n"
+ " A(int x) { z = x; }\n"
+ " int f() { return z + y; }\n"
+ " }\n"
+ "}\n";
String translation = translateSourceFile(source, "Foo", "Foo.h");
assertTranslation(translation, "@interface Foo_A");
assertNotInTranslation(translation, "z_;");
translation = getTranslatedFile("Foo.m");
assertNotInTranslation(translation, "Foo *this$0_;");
assertNotInTranslation(translation, "JreStrongAssign(&self->this$0_, outer$");
assertNotInTranslation(translation, "self->z_ = x;");
assertNotInTranslation(translation, "- (jint)f");
}
public void testDeadMethod_AnonymousClassMember() throws IOException {
String source =
"abstract class B {}\n"
+ "class A {\n"
+ " private B b = new B() {\n"
+ " public void foo() {}\n"
+ " };\n"
+ "}\n";
DeadCodeMap map = DeadCodeMap.builder().addDeadMethod("A$1", "foo", "()V").build();
setDeadCodeMap(map);
String translation = translateSourceFile(source, "A", "A.m");
assertNotInTranslation(translation, "foo");
}
public void testDeadClass_StaticNestedClass() throws IOException {
DeadCodeMap map = DeadCodeMap.builder().addDeadClass("Foo").build();
setDeadCodeMap(map);
String source =
"class Foo {\n"
+ " static class Bar {}\n"
+ "}\n"
+ "class Baz extends Foo.Bar {\n"
+ "}\n";
String translation = translateSourceFile(source, "Foo", "Foo.h");
assertTranslation(translation, "@interface Foo_Bar : NSObject");
translation = getTranslatedFile("Foo.m");
assertTranslation(translation, "Foo_Bar_init");
}
public void testDeadClass_FieldRemoval() throws IOException {
DeadCodeMap map = DeadCodeMap.builder().addDeadClass("Foo").build();
setDeadCodeMap(map);
String source =
"class Foo {\n"
+ " static final int x = f();\n"
+ " static final int y = 0;\n"
+ " static int f() { return 0; }\n"
+ "}\n";
String translation = translateSourceFile(source, "Foo", "Foo.h");
assertTranslation(translation, "#define Foo_y 0");
translation = getTranslatedFile("Foo.m");
assertNotInTranslation(translation, "jint Foo_x_");
assertNotInTranslation(translation, "Foo_x_ = Foo_f()");
assertNotInTranslation(translation, "+ (jint)f");
assertNotInTranslation(translation, "bar");
}
public void testDeadInitializer() throws IOException {
DeadCodeMap map = DeadCodeMap.builder().addDeadClass("A").build();
setDeadCodeMap(map);
String source =
"class A {\n"
+ " static final int baz = 9;\n"
+ " static { System.out.println(\"foo\"); }\n"
+ " { System.out.println(\"bar\"); }\n"
+ "}\n";
String translation = translateSourceFile(source, "A", "A.h");
assertTranslation(translation, "#define A_baz 9");
translation = getTranslatedFile("A.m");
assertNotInTranslation(translation, "println");
assertNotInTranslation(translation, "initialize");
assertNotInTranslation(translation, "foo");
assertNotInTranslation(translation, "bar");
}
public void testDeadMethod() throws IOException {
String source =
"class A {\n"
+ " private static interface B {\n"
+ " String bar();\n"
+ " }\n"
+ " private void baz() {\n"
+ " // nothing\n"
+ " }\n"
+ "}\n";
DeadCodeMap map =
DeadCodeMap.builder().addDeadMethod("A$B", "bar", "()Ljava/lang/String;").build();
setDeadCodeMap(map);
String translation = translateSourceFile(source, "A", "A.m");
assertTranslation(translation, "@interface A_B");
assertNotInTranslation(translation, "bar");
assertTranslation(translation, "baz");
}
public void testDeadEnum() throws IOException {
DeadCodeMap map = DeadCodeMap.builder().addDeadClass("A$Thing").build();
setDeadCodeMap(map);
String source =
"class A {\n"
+ " private static void foo() {}\n"
+ " public enum Thing {\n"
+ " THING1(27),\n"
+ " THING2(89) { void bar() {} },\n"
+ " THING3 { void bar() { foo(); } };\n"
+ " private Thing(int x) {}\n"
+ " private Thing() {}\n"
+ " }\n"
+ "}\n";
String translation = translateSourceFile(source, "A", "A.m");
assertNotInTranslation(translation, "initWithInt");
assertNotInTranslation(translation, "THING1");
assertNotInTranslation(translation, "THING2");
assertNotInTranslation(translation, "THING3");
}
public void testDeadClass_DeadStaticNestedClass() throws IOException {
DeadCodeMap map =
DeadCodeMap.builder()
.addDeadClass("Foo")
.addDeadClass("Foo$Bar")
.addDeadMethod("Foo$Baz", "g", "()V")
.build();
setDeadCodeMap(map);
String source =
"class Foo {\n"
+ " static class Bar { void f() {} }\n"
+ " static class Baz { void g() {} }\n"
+ "}\n";
String translation = translateSourceFile(source, "Foo", "Foo.h");
assertTranslation(translation, "@interface Foo_Bar");
assertNotInTranslation(translation, "- (void)f");
assertTranslation(translation, "@interface Foo_Baz");
assertNotInTranslation(translation, "- (void)g");
translation = getTranslatedFile("Foo.m");
assertTranslation(translation, "Foo_Bar_init");
assertNotInTranslation(translation, "- (void)f");
assertTranslation(translation, "Foo_Baz_init");
assertNotInTranslation(translation, "- (void)g");
}