import "@std/mem"
import "@std/testing"

exposes_typed_declaration_views test {
    builder := init_builder(mem.c_allocator, "value :: 42")
    defer deinit_builder(&builder)

    value_name :: Span{ start = 0, end = 5 }
    value :: try add_literal(&builder, .int, Span{ start = 9, end = 11 })
    declaration :: try add_statement_decl(
        &builder,
        Span{ start = 0, end = 11 },
        value_name,
        null,
        .constant,
        value,
    )
    declarations [1]NodeId := [declaration]
    package :: try add_package(&builder, Span{ start = 0, end = 11 }, declarations[..])
    tree := finish(&builder, package)
    defer deinit(&tree)

    try testing.expect_equal(1, package_decl_count(&tree))
    decl :: package_decl(&tree, 0)
    try testing.expect_equal(DeclKind.statement, decl_kind(&tree, decl))

    statement :: statement_decl(&tree, decl)
    try testing.expect_equal(value_name.start, statement.name.start)
    try testing.expect_equal(value_name.end, statement.name.end)
    try testing.expect_equal(Mutability.constant, statement.mutability)
    try testing.expect_equal(null, statement.type)
    try testing.expect_equal(ExprKind.literal_int, expr_kind(&tree, statement.initializer))
    try testing.expect_equal("value", source_text(&tree, statement.name))
}