lint/cli/src/test/java/com/android/tools/lint/checks/data/src/test/pkg/IntDefTest.java.txt

package test.pkg;

import android.content.Context;
import android.support.annotation.IntDef;
import android.support.annotation.StringDef;
import android.view.View;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

@SuppressWarnings("UnusedDeclaration")
public class IntDefTest {
    @IntDef({STYLE_NORMAL, STYLE_NO_TITLE, STYLE_NO_FRAME, STYLE_NO_INPUT})
    @Retention(RetentionPolicy.SOURCE)
    private @interface DialogStyle {}

    public static final int STYLE_NORMAL = 0;
    public static final int STYLE_NO_TITLE = 1;
    public static final int STYLE_NO_FRAME = 2;
    public static final int STYLE_NO_INPUT = 3;
    public static final int UNRELATED = 3;

    public void setStyle(@DialogStyle int style, int theme) {
    }

    public void testIntDef(int arg) {
        setStyle(STYLE_NORMAL, 0); // OK
        setStyle(IntDefTest.STYLE_NORMAL, 0); // OK
        setStyle(arg, 0); // OK (not sure)

        setStyle(0, 0); // ERROR
        setStyle(-1, 0); // ERROR
        setStyle(UNRELATED, 0); // ERROR
        setStyle(IntDefTest.UNRELATED, 0); // ERROR
        setStyle(IntDefTest.STYLE_NORMAL|STYLE_NO_FRAME, 0); // ERROR: Not a flag
        setStyle(~STYLE_NO_FRAME, 0); // ERROR: Not a flag
    }
    @IntDef(value = {STYLE_NORMAL, STYLE_NO_TITLE, STYLE_NO_FRAME, STYLE_NO_INPUT}, flag=true)
    @Retention(RetentionPolicy.SOURCE)
    private @interface DialogFlags {}

    public void setFlags(Object first, @DialogFlags int flags) {
    }

    public void testFlags(int arg) {
        setFlags("", -1); // OK
        setFlags("", 0); // OK
        setFlags("", STYLE_NORMAL); // OK
        setFlags(arg, 0); // OK (not sure)
        setFlags("", IntDefTest.STYLE_NORMAL); // OK
        setFlags("", STYLE_NORMAL|STYLE_NO_TITLE); // OK
        setFlags("", STYLE_NORMAL|STYLE_NO_TITLE|STYLE_NO_INPUT); // OK
        setFlags("", arg < 0 ? STYLE_NORMAL : STYLE_NO_TITLE); // OK

        setFlags("", UNRELATED); // ERROR
        setFlags("", UNRELATED|STYLE_NO_TITLE); // ERROR
        setFlags("", STYLE_NORMAL|STYLE_NO_TITLE|UNRELATED); // ERROR
        setFlags("", 1); // ERROR
        setFlags("", arg < 0 ? STYLE_NORMAL : UNRELATED); // ERROR
        setFlags("", arg < 0 ? UNRELATED : STYLE_NORMAL); // ERROR
    }

    public static final String TYPE_1 = "type1";
    public static final String TYPE_2 = "type2";
    public static final String UNRELATED_TYPE = "other";

    @StringDef({TYPE_1, TYPE_2})
    @Retention(RetentionPolicy.SOURCE)
    private @interface DialogType {}

    public void setTitle(String title, @DialogType String type) {
    }

    public void testStringDef(String typeArg) {
        setTitle("", TYPE_1); // OK
        setTitle("", TYPE_2); // OK
        setTitle("", null); // OK
        setTitle("", typeArg); // OK (unknown)
        setTitle("", UNRELATED_TYPE); // ERROR
        setTitle("", "type2"); // ERROR
    }

    public void testFlow() {
        String type = TYPE_1;
        setTitle("", type); // OK
        type = UNRELATED_TYPE;
        setTitle("", type); // ERROR
        int flag = 0;
        flag |= STYLE_NORMAL;
        setFlags("", flag); // OK
        flag = UNRELATED;
        setFlags("", flag); // ERROR
    }

    public void testExternalAnnotations(View view, Context context) {
        view.setLayoutDirection(View.LAYOUT_DIRECTION_LTR); // OK
        context.getSystemService(Context.ALARM_SERVICE); // OK

        view.setLayoutDirection(View.TEXT_DIRECTION_LTR); // ERROR
        view.setLayoutDirection(0); // ERROR
        view.setLayoutDirection(View.LAYOUT_DIRECTION_LTR|View.LAYOUT_DIRECTION_RTL); // ERROR
        context.getSystemService(TYPE_1); // ERROR
    }
}