Issue554.java

// @skip-test

// Test case for issue #554: https://github.com/typetools/checker-framework/issues/554

import org.checkerframework.checker.nullness.qual.*;

class MonotonicNonNullConstructorTest1 {
    static class Data {
        @MonotonicNonNull Object field;
    }

    Data data;
    Object object;

    @RequiresNonNull("#1.field")
    MonotonicNonNullConstructorTest1(final Data data) {
        this.data = data;
        this.object = data.field;
    }
}

class MonotonicNonNullConstructorTest2 {
    static class Data {
        @MonotonicNonNull Object field;
    }

    Data data;
    Object object;

    @RequiresNonNull("#1.field")
    MonotonicNonNullConstructorTest2(final Data data) {
        // reverse the assignments
        this.object = data.field;
        this.data = data;
    }
}

class MonotonicNonNullConstructorTest3 {
    static class Data {
        @MonotonicNonNull Object field;
    }

    Data data;
    Object object;

    @RequiresNonNull("#1.field")
    MonotonicNonNullConstructorTest3(final Data dataParam) {
        // use a parameter name that does not shadow the field
        this.data = dataParam;
        this.object = dataParam.field;
    }
}

class MonotonicNonNullConstructorTest4 {
    static class Data {
        @MonotonicNonNull Object field;
    }

    Data data;
    Object object;

    @RequiresNonNull("#1.field")
    MonotonicNonNullConstructorTest4(final Data dataParam) {
        // use a parameter name that does not shadow the field
        // and reverse the assignments
        this.object = dataParam.field;
        this.data = dataParam;
    }
}