sidef/scripts/Tests/class_var_inheritance.sf

#!/usr/bin/ruby

#
## Inheritance of class variables (test)
#

do {
    class Foo(x="bau") {

    }

    class Bar(y=42, x="hi") < Foo {

    }

    class Baz(z) < Bar {

    }

    var obj = Baz(y:32, z:10);

    assert_eq(obj.x, 'hi');
    assert_eq(obj.y, 32);
    assert_eq(obj.z, 10);

    obj = Baz(z: 23)

    assert_eq(obj.x, 'hi')
    assert_eq(obj.y, 42)

    obj = Baz(x: 'baz', y: 21, z: 42)

    assert_eq(obj.x, 'baz')
    assert_eq(obj.y, 21)
    assert_eq(obj.z, 42)

    class Baxx(x='baxx', z='new') < Baz {

    }

    obj = Baxx()

    assert_eq(obj.x, 'baxx')
    assert_eq(obj.y, 42)
    assert_eq(obj.z, 'new')

    obj = Baxx(x: 'a', y: 'b', z:'c')

    assert_eq(obj.x, 'a')
    assert_eq(obj.y, 'b')
    assert_eq(obj.z, 'c')

    class Baz(z='bye', y=10) < Bar {

    }

    obj = Baz()

    assert_eq(obj.x, 'hi')
    assert_eq(obj.y, 10)
    assert_eq(obj.z, 'bye')

    obj = Baz(x:'a', y:'b', z:'c')

    assert_eq(obj.x, 'a')
    assert_eq(obj.y, 'b')
    assert_eq(obj.z, 'c')

    #
    ## Foo class variables are NOT redefined here
    #
    class Foo (
        String name,
        Number age {.is_even}
    ) {}

    class Example << Foo {
        method uc {
            self.name.uc
        }
    }

    var obj1 = Example(1, "foo", 42);
    var obj2 = Example(2, "bar", 22);

    assert_ne(obj1.name, obj2.name);
    assert_ne(obj1.age,  obj2.age);

    assert_eq(obj1.x, 1)
    assert_eq(obj2.x, 2)
    assert_eq(obj1.uc, "FOO");
    assert_eq(obj2.uc, "BAR");

}

do {
    class Foo(n, bar = 42) {
    }

    class Bar(n) < Foo {
        has bar = 32
    }

    class Baz(n) < Bar {
        has bar = 99
    }

    assert_eq(Baz(42).bar, 99)
}

do {
    class Foo(n, bar = 42) {
    }

    class Bar(n) < Foo {
        has bar = 32
    }

    class Baz(bar=100) < Bar {
    }

    assert_eq(Baz(42).bar, 100)
}

do {
    class Foo(n, bar = 42) {
    }

    class Bar(bar=32) < Foo {
    }

    class Baz(bar=101) < Bar {
    }

    assert_eq(Baz(42).bar, 101)
}

do {
    class Foo(n, bar = 42) {
    }

    class Bar(bar=32) < Foo {
    }

    class Baz < Bar {
        has bar = 102
    }

    assert_eq(Baz(42).bar, 102)
}

do {
    class Foo(n) {
        has bar = 42
    }

    class Bar(bar=32) < Foo {
    }

    class Baz < Bar {
        has bar = 103
    }

    assert_eq(Baz(42).bar, 103)
}

do {
    class Foo(n) {
        has bar = 42
    }

    class Bar(bar=32) < Foo {
    }

    class Baz(bar=104) < Bar {
    }

    assert_eq(Baz(42).bar, 104)
}

say "** Test passed!"