def test_duplicate_constants_raise_syntax_error():
with assert_raises(SymbolRedefinition):
_build_node_tree("""namespace a{
const i8 foo = 17;
const u16 foo = 0x42;
}
""")
def test_duplicate_structures_raise_syntax_error():
with assert_raises(SymbolRedefinition):
_build_node_tree("""namespace a{
struct Foo { f : u8 : 2; }
struct Foo { d : u32 : 32; }
}
""")
def test_signed_enum_value_in_unsigned_enum():
with assert_raises(InvalidSignError):
_build_node_tree("""
namespace n {
enum A : u16 {
VALUE_1 = -1
}
} """)
def test_not_enough_bits_for_enum_value():
with assert_raises(InvalidEnumValueError):
_build_node_tree("""
namespace n {
enum A : u8 {
VALUE_1 = 256
}
} """)
def test_exceeding_field_width_results_in_an_error():
with assert_raises(InvalidWidthError):
_build_node_tree("""
namespace n {
struct A {
f : u8 : 9;
}
} """)
def test_duplicate_enum_value():
with assert_raises(DuplicateEnumValueError):
_build_node_tree("""
namespace n {
enum A : u16 {
VALUE_1 = 1,
VALUE_2 = 0,
VALUE_3
}
} """)
def test_multiple_archives_can_be_defined():
tree = _build_node_tree("""namespace foo {
struct S {
x : u64 : 64;
}
archive A {
resource1 : vector< S >;
}
struct F {
x : u64 : 64;
}
archive B {
resource0 : vector< F >;
resource1 : vector< S >;
}
}
""")
assert_equal(
{
".foo", ".foo.S", ".foo.S.x", ".foo.A", ".foo.A.resource1",
".foo.A.resource1.@S", ".foo.F", ".foo.F.x", ".foo.B",
".foo.B.resource0", ".foo.B.resource0.@F", ".foo.B.resource1",
".foo.B.resource1.@S"
}, tree.symbols())
def test_empty_schema_with_nested_namespace_parsed_correctly():
tree = _build_node_tree("namespace foo.bar.baz{}")
for path, name in [(".foo", "foo"), (".foo.bar", "bar"), (".foo.bar.baz", "baz")]:
node = tree.find(path)
assert_is_instance(node, nodes.Namespace)
assert_equal(name, node.name)
assert_equal(path, node.path)
def test_archive_member_schemas_references_dependent_types():
root = _build_node_tree("""namespace n{
struct T { t : u8 : 7; }
struct U { u : u8 : 7; }
struct V { v : u8 : 7; }
archive A {
a : T;
b : vector< V >;
c : multivector< 17, U, V >;
}
}
""")
resolve_references(root)
assert_equal(
SyntaxTree.schema(root.find(".n.A.a")),
"namespace n { struct T { t : u8 : 7; } }\n"
"namespace n { a : T; }")
assert_equal(
SyntaxTree.schema(root.find(".n.A.b")),
"namespace n { struct V { v : u8 : 7; } }\n"
"namespace n { b : vector< V >; }")
assert_equal(
SyntaxTree.schema(root.find(".n.A.c")),
"namespace n { struct U { u : u8 : 7; } }\n"
"namespace n { struct V { v : u8 : 7; } }\n"
"namespace n { c : multivector< 17, U, V >; }")
def test_archive_schema_preserves_references():
root = _build_node_tree("""namespace foo{
/// T Comment
struct T { /* fieldA comment*/ fieldA : u8 : 7; }
/**
* Archive comment
*/
archive A {
/// resource comment
resourceA : T;
}
}
""")
resolve_references(root)
expected = """namespace foo {
struct T
{
fieldA : u8 : 7;
}
}
namespace foo {
archive A
{
resourceA : .foo.T;
}
}
"""
assert_equal(SyntaxTree.schema(root.find(".foo.A")), expected)
def test_schemas_are_not_duplicated_if_several_type_references_occur():
root = _build_node_tree("""namespace foo{
/// T Comment
struct T { /* fieldA comment*/ fieldA : u8 : 7; }
/**
* Archive comment
*/
archive A {
resourceA : T;
resourceB : T;
}
}
""")
resolve_references(root)
expected = """namespace foo {
struct T
{
fieldA : u8 : 7;
}
}
namespace foo {
archive A
{
resourceA : .foo.T;
resourceB : .foo.T;
}
}
"""
actual = SyntaxTree.schema(root.find(".foo.A"))
assert_equal(actual, expected)
def __test(typename, width):
tree = _build_node_tree("""namespace n{
struct s {
f : %s;
}
}
""" % typename)
check_field(tree.find('.n.s.f'), typename, width, 0)
def test_constants_are_parsed():
tree = _build_node_tree("""namespace foo{
const i8 foo = 17;
const u16 bar = 0x42;
}
""")
assert_equal({".foo", ".foo.bar", ".foo.foo"}, tree.symbols())
check_constant(tree.find(".foo.foo"), "i8", "17")
check_constant(tree.find(".foo.bar"), "u16", "0x42")
def test_archives_archive_resources_references_are_populated():
tree = _build_node_tree("""namespace foo{
archive A {
resourceA : archive baz.B;
}
}
""")
assert_equal({".foo", ".foo.A", ".foo.A.resourceA", ".foo.A.resourceA.@baz@B"},
tree.symbols())
assert_is_instance(tree.find(".foo.A.resourceA.@baz@B"), refs.TypeReference)
def test_no_optional_decoration():
tree = _build_node_tree("""namespace foo{
archive A {
resourceA : vector< S >;
}
}
""")
r = tree.find(".foo.A.resourceA")
assert_equal(0, len(r.decorations))
assert_false(r.optional)
def __test(schema, references):
tree = _build_node_tree("""namespace foo{
archive A {
resourceA : %s;
}
}
""" % schema)
assert_equal({".foo", ".foo.A", ".foo.A.resourceA"}.union(references), tree.symbols())
for r in references:
assert_is_instance(tree.find(r), refs.TypeReference)
def test_single_structure_is_parsed_correctly():
tree = _build_node_tree("""namespace foo{
struct Bar {
fieldA : u8 : 2;
fieldB : i64 : 33;
}
}
""")
assert_equal({".foo", ".foo.Bar", ".foo.Bar.fieldB", ".foo.Bar.fieldA"}, tree.symbols())
check_struct(tree.find(".foo.Bar"), 35, 5)
check_field(tree.find(".foo.Bar.fieldA"), "u8", 2, 0)
check_field(tree.find(".foo.Bar.fieldB"), "i64", 33, 2)
def test_optional_decoration():
tree = _build_node_tree("""namespace foo{
archive A {
@optional
resourceA : vector< S >;
}
}
""")
r = tree.find(".foo.A.resourceA")
assert_equal(1, len(r.decorations))
assert_in("optional", r.decorations[0])
assert_true(r.optional)
def test_not_enough_bits_in_enum_field():
with assert_raises(InvalidEnumWidthError):
tree = _build_node_tree("""
namespace n {
enum A : i16 {
VALUE_1 = 127
}
struct B {
f1 : A : 7;
}
} """)
resolve_references(tree)
_update_field_type_references(tree)
def test_constants_are_parsed():
tree = _build_node_tree("""namespace foo{
const i8 foo = -17;
const u16 bar = 0x42;
const i16 foo2 = -0x20;
const u32 bar2 = 19;
}
""")
assert_equal({".foo", ".foo.bar", ".foo.foo", ".foo.foo2", ".foo.bar2"},
tree.symbols())
check_constant(tree.find(".foo.foo"), "i8", -17)
check_constant(tree.find(".foo.bar"), "u16", 0x42)
check_constant(tree.find(".foo.foo2"), "i16", -0x20)
check_constant(tree.find(".foo.bar2"), "u32", 19)
def test_two_structures_are_parsed_correctly():
tree = _build_node_tree("""namespace foo{
struct Bar {
fieldA : u8 : 2;
}
struct Baz {
fieldB : u32 : 17;
}
}
""")
assert_equal({".foo", ".foo.Baz", ".foo.Baz.fieldB", ".foo.Bar", ".foo.Bar.fieldA"},
tree.symbols())
check_struct(tree.find(".foo.Bar"), 2, 1)
check_struct(tree.find(".foo.Baz"), 17, 3)
def test_multi_vector_builtin_types_are_correct():
tree = _build_node_tree("""namespace foo{
archive A {
resourceA : multivector< 33, T >;
}
}
""")
res = tree.find(".foo.A.resourceA")
assert_equal(33, res.width)
assert_equal(1, len(res.builtins))
index_type = res.builtins[0]
assert_equal({"IndexType33", "IndexType33.value"}, index_type.symbols())
check_struct(index_type, 33, 5)
check_field(index_type.find("IndexType33.value"), "u64", 33, 0)
def test_implicit_references_are_represented_correctly():
tree = _build_node_tree("""namespace foo{
struct A {
refB : u64 : 64;
}
struct B { x : u64 : 64; }
@bound_implicitly( Bound: resourceA, resourceB )
archive X {
resourceA : vector< A >;
resourceB : vector< B >;
}
}
""")
b = tree.find(".foo.X.Bound")
check_bound_resource(b, "Bound", ["resourceA", "resourceB"])
def test_namespace_merging_works_for_separate_namespaces():
tree = _build_node_tree("""
namespace n1 {
struct A {
refN1 : u64 : 64;
}
}
namespace n2 {
struct A {
refN2 : u64 : 64;
}
}
""")
assert_equal(
{'.n1', '.n1.A', '.n1.A.refN1', '.n2', '.n2.A', '.n2.A.refN2'},
tree.symbols())
def test_namespace_merging_works_for_same_namespaces_with_different_symbols():
tree = _build_node_tree("""
namespace n1.n2 {
struct A {
refN1 : u64 : 64;
}
}
namespace n1.n2 {
struct B {
refN2 : u64 : 64;
}
}
""")
assert_equal({'.n1', '.n1.n2',
'.n1.n2.A', '.n1.n2.A.refN1',
'.n1.n2.B', '.n1.n2.B.refN2'},
tree.symbols())
def test_explicit_reference_decoration_spawns_all_the_right_references():
tree = _build_node_tree("""namespace foo{
archive X {
@explicit_reference( A.refB, resourceB )
@explicit_reference( A.refC, resourceC )
resourceA : vector< A >;
}
}
""")
assert_equal(
{
".foo", ".foo.X", ".foo.X.resourceA", ".foo.X.resourceA.@A",
'.foo.X.resourceA.er_A_refC_resourceC',
'.foo.X.resourceA.er_A_refC_resourceC.@A',
'.foo.X.resourceA.er_A_refC_resourceC.@A@refC',
'.foo.X.resourceA.er_A_refC_resourceC.@resourceC',
'.foo.X.resourceA.er_A_refB_resourceB',
'.foo.X.resourceA.er_A_refB_resourceB.@A',
'.foo.X.resourceA.er_A_refB_resourceB.@A@refB',
'.foo.X.resourceA.er_A_refB_resourceB.@resourceB'
}, tree.symbols())
r = tree.find(".foo.X.resourceA")
assert_equal(2, len(r.decorations))
check_explicit_reference(r.decorations[0], "A", "refB", "resourceB")
check_explicit_reference(r.decorations[1], "A", "refC", "resourceC")
assert_is_instance(
tree.find(".foo.X.resourceA.er_A_refB_resourceB.@A@refB"),
refs.FieldReference)
assert_is_instance(
tree.find(".foo.X.resourceA.er_A_refB_resourceB.@resourceB"),
refs.ResourceReference)
assert_is_instance(
tree.find(".foo.X.resourceA.er_A_refC_resourceC.@A@refC"),
refs.FieldReference)
assert_is_instance(
tree.find(".foo.X.resourceA.er_A_refC_resourceC.@resourceC"),
refs.ResourceReference)
def test_enumeration():
tree = _build_node_tree("""
namespace n {
enum A : u16 {
VALUE_1,
VALUE_2 = 4,
VALUE_3,
VALUE_4 = 0x10
}
struct B {
f1 : A;
}
} """)
resolve_references(tree)
_update_field_type_references(tree)
_compute_structure_sizes(tree)
assert_equal(
{
".n", ".n.A", ".n.A.VALUE_1", ".n.A.VALUE_2", ".n.A.VALUE_3",
".n.A.VALUE_4", ".n.B", ".n.B.f1", ".n.B.f1.@@n@A"
}, tree.symbols())
check_struct(tree.find(".n.B"), 16, 2)
def test_constants_are_placed_on_final_namespace():
tree = _build_node_tree("""namespace a.b{ const i8 foo = 17;}""")
assert_equal({".a", ".a.b", ".a.b.foo"}, tree.symbols())
assert_is_instance(tree.find(".a.b.foo"), nodes.Constant)
def test_archive_without_namespace_raises():
with assert_raises(ParsingError):
_build_node_tree("archive A { item : type; }")
def test_structure_without_namespace_trows():
with assert_raises(ParsingError):
_build_node_tree("struct A { item : u32 : 16; }")