sphinx/tests/test_domain_cpp.py
2020-03-20 13:26:51 +01:00

1058 lines
45 KiB
Python

"""
test_domain_cpp
~~~~~~~~~~~~~~~
Tests the C++ Domain
:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import pytest
import sphinx.domains.cpp as cppDomain
from sphinx import addnodes
from sphinx.domains.cpp import DefinitionParser, DefinitionError, NoOldIdError
from sphinx.domains.cpp import Symbol, _max_id, _id_prefix
from sphinx.util import docutils
def parse(name, string):
class Config:
cpp_id_attributes = ["id_attr"]
cpp_paren_attributes = ["paren_attr"]
parser = DefinitionParser(string, location=None,
config=Config())
parser.allowFallbackExpressionParsing = False
ast = parser.parse_declaration(name, name)
parser.assert_end()
# The scopedness would usually have been set by CPPEnumObject
if name == "enum":
ast.scoped = None # simulate unscoped enum
return ast
def check(name, input, idDict, output=None):
# first a simple check of the AST
if output is None:
output = input
ast = parse(name, input)
res = str(ast)
if res != output:
print("")
print("Input: ", input)
print("Result: ", res)
print("Expected: ", output)
raise DefinitionError("")
rootSymbol = Symbol(None, None, None, None, None, None)
symbol = rootSymbol.add_declaration(ast, docname="TestDoc")
parentNode = addnodes.desc()
signode = addnodes.desc_signature(input, '')
parentNode += signode
ast.describe_signature(signode, 'lastIsName', symbol, options={})
idExpected = [None]
for i in range(1, _max_id + 1):
if i in idDict:
idExpected.append(idDict[i])
else:
idExpected.append(idExpected[i - 1])
idActual = [None]
for i in range(1, _max_id + 1):
try:
id = ast.get_id(version=i)
assert id is not None
idActual.append(id[len(_id_prefix[i]):])
except NoOldIdError:
idActual.append(None)
res = [True]
for i in range(1, _max_id + 1):
res.append(idExpected[i] == idActual[i])
if not all(res):
print("input: %s" % input.rjust(20))
for i in range(1, _max_id + 1):
if res[i]:
continue
print("Error in id version %d." % i)
print("result: %s" % idActual[i])
print("expected: %s" % idExpected[i])
print(rootSymbol.dump(0))
raise DefinitionError("")
def test_fundamental_types():
# see https://en.cppreference.com/w/cpp/language/types
for t, id_v2 in cppDomain._id_fundamental_v2.items():
def makeIdV1():
if t == 'decltype(auto)':
return None
id = t.replace(" ", "-").replace("long", "l").replace("int", "i")
id = id.replace("bool", "b").replace("char", "c")
id = id.replace("wc_t", "wchar_t").replace("c16_t", "char16_t")
id = id.replace("c32_t", "char32_t")
return "f__%s" % id
def makeIdV2():
id = id_v2
if t == "std::nullptr_t":
id = "NSt9nullptr_tE"
return "1f%s" % id
check("function", "void f(%s arg)" % t, {1: makeIdV1(), 2: makeIdV2()})
def test_expressions():
def exprCheck(expr, id, id4=None):
ids = 'IE1CIA%s_1aE'
idDict = {2: ids % expr, 3: ids % id}
if id4 is not None:
idDict[4] = ids % id4
check('class', 'template<> C<a[%s]>' % expr, idDict)
class Config:
cpp_id_attributes = ["id_attr"]
cpp_paren_attributes = ["paren_attr"]
parser = DefinitionParser(expr, location=None,
config=Config())
parser.allowFallbackExpressionParsing = False
ast = parser.parse_expression()
res = str(ast)
if res != expr:
print("")
print("Input: ", expr)
print("Result: ", res)
raise DefinitionError("")
# primary
exprCheck('nullptr', 'LDnE')
exprCheck('true', 'L1E')
exprCheck('false', 'L0E')
ints = ['5', '0', '075', '0x0123456789ABCDEF', '0XF', '0b1', '0B1']
unsignedSuffix = ['', 'u', 'U']
longSuffix = ['', 'l', 'L', 'll', 'LL']
for i in ints:
for u in unsignedSuffix:
for l in longSuffix:
expr = i + u + l
exprCheck(expr, 'L' + expr + 'E')
expr = i + l + u
exprCheck(expr, 'L' + expr + 'E')
for suffix in ['', 'f', 'F', 'l', 'L']:
for e in [
'5e42', '5e+42', '5e-42',
'5.', '5.e42', '5.e+42', '5.e-42',
'.5', '.5e42', '.5e+42', '.5e-42',
'5.0', '5.0e42', '5.0e+42', '5.0e-42']:
expr = e + suffix
exprCheck(expr, 'L' + expr + 'E')
for e in [
'ApF', 'Ap+F', 'Ap-F',
'A.', 'A.pF', 'A.p+F', 'A.p-F',
'.A', '.ApF', '.Ap+F', '.Ap-F',
'A.B', 'A.BpF', 'A.Bp+F', 'A.Bp-F']:
expr = "0x" + e + suffix
exprCheck(expr, 'L' + expr + 'E')
exprCheck('"abc\\"cba"', 'LA8_KcE') # string
exprCheck('this', 'fpT')
# character literals
for p, t in [('', 'c'), ('u8', 'c'), ('u', 'Ds'), ('U', 'Di'), ('L', 'w')]:
exprCheck(p + "'a'", t + "97")
exprCheck(p + "'\\n'", t + "10")
exprCheck(p + "'\\012'", t + "10")
exprCheck(p + "'\\0'", t + "0")
exprCheck(p + "'\\x0a'", t + "10")
exprCheck(p + "'\\x0A'", t + "10")
exprCheck(p + "'\\u0a42'", t + "2626")
exprCheck(p + "'\\u0A42'", t + "2626")
exprCheck(p + "'\\U0001f34c'", t + "127820")
exprCheck(p + "'\\U0001F34C'", t + "127820")
# TODO: user-defined lit
exprCheck('(... + Ns)', '(... + Ns)', id4='flpl2Ns')
exprCheck('(Ns + ...)', '(Ns + ...)', id4='frpl2Ns')
exprCheck('(Ns + ... + 0)', '(Ns + ... + 0)', id4='fLpl2NsL0E')
exprCheck('(5)', 'L5E')
exprCheck('C', '1C')
# postfix
exprCheck('A(2)', 'cl1AL2EE')
exprCheck('A[2]', 'ix1AL2E')
exprCheck('a.b.c', 'dtdt1a1b1c')
exprCheck('a->b->c', 'ptpt1a1b1c')
exprCheck('i++', 'pp1i')
exprCheck('i--', 'mm1i')
exprCheck('dynamic_cast<T&>(i)++', 'ppdcR1T1i')
exprCheck('static_cast<T&>(i)++', 'ppscR1T1i')
exprCheck('reinterpret_cast<T&>(i)++', 'pprcR1T1i')
exprCheck('const_cast<T&>(i)++', 'ppccR1T1i')
exprCheck('typeid(T).name', 'dtti1T4name')
exprCheck('typeid(a + b).name', 'dttepl1a1b4name')
# unary
exprCheck('++5', 'pp_L5E')
exprCheck('--5', 'mm_L5E')
exprCheck('*5', 'deL5E')
exprCheck('&5', 'adL5E')
exprCheck('+5', 'psL5E')
exprCheck('-5', 'ngL5E')
exprCheck('!5', 'ntL5E')
exprCheck('~5', 'coL5E')
exprCheck('sizeof...(a)', 'sZ1a')
exprCheck('sizeof(T)', 'st1T')
exprCheck('sizeof -42', 'szngL42E')
exprCheck('alignof(T)', 'at1T')
exprCheck('noexcept(-42)', 'nxngL42E')
# new-expression
exprCheck('new int', 'nw_iE')
exprCheck('new volatile int', 'nw_ViE')
exprCheck('new int[42]', 'nw_AL42E_iE')
exprCheck('new int()', 'nw_ipiE')
exprCheck('new int(5, 42)', 'nw_ipiL5EL42EE')
exprCheck('::new int', 'nw_iE')
exprCheck('new int{}', 'nw_iilE')
exprCheck('new int{5, 42}', 'nw_iilL5EL42EE')
# delete-expression
exprCheck('delete p', 'dl1p')
exprCheck('delete [] p', 'da1p')
exprCheck('::delete p', 'dl1p')
exprCheck('::delete [] p', 'da1p')
# cast
exprCheck('(int)2', 'cviL2E')
# binary op
exprCheck('5 || 42', 'ooL5EL42E')
exprCheck('5 && 42', 'aaL5EL42E')
exprCheck('5 | 42', 'orL5EL42E')
exprCheck('5 ^ 42', 'eoL5EL42E')
exprCheck('5 & 42', 'anL5EL42E')
# ['==', '!=']
exprCheck('5 == 42', 'eqL5EL42E')
exprCheck('5 != 42', 'neL5EL42E')
# ['<=', '>=', '<', '>']
exprCheck('5 <= 42', 'leL5EL42E')
exprCheck('A <= 42', 'le1AL42E')
exprCheck('5 >= 42', 'geL5EL42E')
exprCheck('5 < 42', 'ltL5EL42E')
exprCheck('A < 42', 'lt1AL42E')
exprCheck('5 > 42', 'gtL5EL42E')
# ['<<', '>>']
exprCheck('5 << 42', 'lsL5EL42E')
exprCheck('A << 42', 'ls1AL42E')
exprCheck('5 >> 42', 'rsL5EL42E')
# ['+', '-']
exprCheck('5 + 42', 'plL5EL42E')
exprCheck('5 - 42', 'miL5EL42E')
# ['*', '/', '%']
exprCheck('5 * 42', 'mlL5EL42E')
exprCheck('5 / 42', 'dvL5EL42E')
exprCheck('5 % 42', 'rmL5EL42E')
# ['.*', '->*']
exprCheck('5 .* 42', 'dsL5EL42E')
exprCheck('5 ->* 42', 'pmL5EL42E')
# conditional
# TODO
# assignment
exprCheck('a = 5', 'aS1aL5E')
exprCheck('a *= 5', 'mL1aL5E')
exprCheck('a /= 5', 'dV1aL5E')
exprCheck('a %= 5', 'rM1aL5E')
exprCheck('a += 5', 'pL1aL5E')
exprCheck('a -= 5', 'mI1aL5E')
exprCheck('a >>= 5', 'rS1aL5E')
exprCheck('a <<= 5', 'lS1aL5E')
exprCheck('a &= 5', 'aN1aL5E')
exprCheck('a ^= 5', 'eO1aL5E')
exprCheck('a |= 5', 'oR1aL5E')
# Additional tests
# a < expression that starts with something that could be a template
exprCheck('A < 42', 'lt1AL42E')
check('function', 'template<> void f(A<B, 2> &v)',
{2: "IE1fR1AI1BX2EE", 3: "IE1fR1AI1BXL2EEE", 4: "IE1fvR1AI1BXL2EEE"})
exprCheck('A<1>::value', 'N1AIXL1EEE5valueE')
check('class', "template<int T = 42> A", {2: "I_iE1A"})
check('enumerator', 'A = std::numeric_limits<unsigned long>::max()', {2: "1A"})
exprCheck('operator()()', 'clclE')
exprCheck('operator()<int>()', 'clclIiEE')
# pack expansion
exprCheck('a(b(c, 1 + d...)..., e(f..., g))', 'cl1aspcl1b1cspplL1E1dEcl1esp1f1gEE')
def test_type_definitions():
check("type", "public bool b", {1: "b", 2: "1b"}, "bool b")
check("type", "bool A::b", {1: "A::b", 2: "N1A1bE"})
check("type", "bool *b", {1: "b", 2: "1b"})
check("type", "bool *const b", {1: "b", 2: "1b"})
check("type", "bool *volatile const b", {1: "b", 2: "1b"})
check("type", "bool *volatile const b", {1: "b", 2: "1b"})
check("type", "bool *volatile const *b", {1: "b", 2: "1b"})
check("type", "bool &b", {1: "b", 2: "1b"})
check("type", "bool b[]", {1: "b", 2: "1b"})
check("type", "std::pair<int, int> coord", {1: "coord", 2: "5coord"})
check("type", "long long int foo", {1: "foo", 2: "3foo"})
check("type", 'std::vector<std::pair<std::string, long long>> module::blah',
{1: "module::blah", 2: "N6module4blahE"})
check("type", "std::function<void()> F", {1: "F", 2: "1F"})
check("type", "std::function<R(A1, A2)> F", {1: "F", 2: "1F"})
check("type", "std::function<R(A1, A2, A3)> F", {1: "F", 2: "1F"})
check("type", "std::function<R(A1, A2, A3, As...)> F", {1: "F", 2: "1F"})
check("type", "MyContainer::const_iterator",
{1: "MyContainer::const_iterator", 2: "N11MyContainer14const_iteratorE"})
check("type",
"public MyContainer::const_iterator",
{1: "MyContainer::const_iterator", 2: "N11MyContainer14const_iteratorE"},
output="MyContainer::const_iterator")
# test decl specs on right
check("type", "bool const b", {1: "b", 2: "1b"})
# test name in global scope
check("type", "bool ::B::b", {1: "B::b", 2: "N1B1bE"})
check('type', 'A = B', {2: '1A'})
check('type', 'A = decltype(b)', {2: '1A'})
# from breathe#267 (named function parameters for function pointers
check('type', 'void (*gpio_callback_t)(struct device *port, uint32_t pin)',
{1: 'gpio_callback_t', 2: '15gpio_callback_t'})
check('type', 'void (*f)(std::function<void(int i)> g)', {1: 'f', 2: '1f'})
check('type', 'T = A::template B<int>::template C<double>', {2: '1T'})
check('type', 'T = Q<A::operator()>', {2: '1T'})
check('type', 'T = Q<A::operator()<int>>', {2: '1T'})
check('type', 'T = Q<A::operator bool>', {2: '1T'})
def test_concept_definitions():
check('concept', 'template<typename Param> A::B::Concept',
{2: 'I0EN1A1B7ConceptE'})
check('concept', 'template<typename A, typename B, typename ...C> Foo',
{2: 'I00DpE3Foo'})
with pytest.raises(DefinitionError):
parse('concept', 'Foo')
with pytest.raises(DefinitionError):
parse('concept', 'template<typename T> template<typename U> Foo')
def test_member_definitions():
check('member', ' const std::string & name = 42',
{1: "name__ssCR", 2: "4name"}, output='const std::string &name = 42')
check('member', ' const std::string & name', {1: "name__ssCR", 2: "4name"},
output='const std::string &name')
check('member', ' const std::string & name [ n ]',
{1: "name__ssCRA", 2: "4name"}, output='const std::string &name[n]')
check('member', 'const std::vector< unsigned int, long> &name',
{1: "name__std::vector:unsigned-i.l:CR", 2: "4name"},
output='const std::vector<unsigned int, long> &name')
check('member', 'module::myclass foo[n]', {1: "foo__module::myclassA", 2: "3foo"})
check('member', 'int *const p', {1: 'p__iPC', 2: '1p'})
check('member', 'extern int myInt', {1: 'myInt__i', 2: '5myInt'})
check('member', 'thread_local int myInt', {1: 'myInt__i', 2: '5myInt'})
check('member', 'extern thread_local int myInt', {1: 'myInt__i', 2: '5myInt'})
check('member', 'thread_local extern int myInt', {1: 'myInt__i', 2: '5myInt'},
'extern thread_local int myInt')
# tests based on https://en.cppreference.com/w/cpp/language/bit_field
check('member', 'int b : 3', {1: 'b__i', 2: '1b'})
check('member', 'int b : 8 = 42', {1: 'b__i', 2: '1b'})
check('member', 'int b : 8{42}', {1: 'b__i', 2: '1b'})
# TODO: enable once the ternary operator is supported
#check('member', 'int b : true ? 8 : a = 42', {1: 'b__i', 2: '1b'})
# TODO: enable once the ternary operator is supported
#check('member', 'int b : (true ? 8 : a) = 42', {1: 'b__i', 2: '1b'})
check('member', 'int b : 1 || new int{0}', {1: 'b__i', 2: '1b'})
def test_function_definitions():
check('function', 'void f(volatile int)', {1: "f__iV", 2: "1fVi"})
check('function', 'void f(std::size_t)', {1: "f__std::s", 2: "1fNSt6size_tE"})
check('function', 'operator bool() const', {1: "castto-b-operatorC", 2: "NKcvbEv"})
check('function', 'A::operator bool() const',
{1: "A::castto-b-operatorC", 2: "NK1AcvbEv"})
check('function', 'A::operator bool() volatile const &',
{1: "A::castto-b-operatorVCR", 2: "NVKR1AcvbEv"})
check('function', 'A::operator bool() volatile const &&',
{1: "A::castto-b-operatorVCO", 2: "NVKO1AcvbEv"})
check('function', 'bool namespaced::theclass::method(arg1, arg2)',
{1: "namespaced::theclass::method__arg1.arg2",
2: "N10namespaced8theclass6methodE4arg14arg2"})
x = 'std::vector<std::pair<std::string, int>> &module::test(register int ' \
'foo, bar, std::string baz = "foobar, blah, bleh") const = 0'
check('function', x, {1: "module::test__i.bar.ssC",
2: "NK6module4testEi3barNSt6stringE"})
check('function', 'void f(std::pair<A, B>)',
{1: "f__std::pair:A.B:", 2: "1fNSt4pairI1A1BEE"})
check('function', 'explicit module::myclass::foo::foo()',
{1: "module::myclass::foo::foo", 2: "N6module7myclass3foo3fooEv"})
check('function', 'module::myclass::foo::~foo()',
{1: "module::myclass::foo::~foo", 2: "N6module7myclass3fooD0Ev"})
check('function', 'int printf(const char *fmt, ...)',
{1: "printf__cCP.z", 2: "6printfPKcz"})
check('function', 'int foo(const unsigned int j)',
{1: "foo__unsigned-iC", 2: "3fooKj"})
check('function', 'int foo(const int *const ptr)',
{1: "foo__iCPC", 2: "3fooPCKi"})
check('function', 'module::myclass::operator std::vector<std::string>()',
{1: "module::myclass::castto-std::vector:ss:-operator",
2: "N6module7myclasscvNSt6vectorINSt6stringEEEEv"})
check('function',
'void operator()(const boost::array<VertexID, 2> &v) const',
{1: "call-operator__boost::array:VertexID.2:CRC",
2: "NKclERKN5boost5arrayI8VertexIDX2EEE",
3: "NKclERKN5boost5arrayI8VertexIDXL2EEEE"})
check('function',
'void operator()(const boost::array<VertexID, 2, "foo, bar"> &v) const',
{1: 'call-operator__boost::array:VertexID.2."foo,--bar":CRC',
2: 'NKclERKN5boost5arrayI8VertexIDX2EX"foo, bar"EEE',
3: 'NKclERKN5boost5arrayI8VertexIDXL2EEXLA9_KcEEEE'})
check('function', 'MyClass::MyClass(MyClass::MyClass&&)',
{1: "MyClass::MyClass__MyClass::MyClassRR",
2: "N7MyClass7MyClassERRN7MyClass7MyClassE"})
check('function', 'constexpr int get_value()', {1: "get_valueCE", 2: "9get_valuev"})
check('function', 'static constexpr int get_value()',
{1: "get_valueCE", 2: "9get_valuev"})
check('function', 'int get_value() const noexcept',
{1: "get_valueC", 2: "NK9get_valueEv"})
check('function', 'int get_value() const noexcept = delete',
{1: "get_valueC", 2: "NK9get_valueEv"})
check('function', 'int get_value() volatile const',
{1: "get_valueVC", 2: "NVK9get_valueEv"})
check('function', 'MyClass::MyClass(MyClass::MyClass&&) = default',
{1: "MyClass::MyClass__MyClass::MyClassRR",
2: "N7MyClass7MyClassERRN7MyClass7MyClassE"})
check('function', 'virtual MyClass::a_virtual_function() const override',
{1: "MyClass::a_virtual_functionC", 2: "NK7MyClass18a_virtual_functionEv"})
check('function', 'A B() override', {1: "B", 2: "1Bv"})
check('function', 'A B() final', {1: "B", 2: "1Bv"})
check('function', 'A B() final override', {1: "B", 2: "1Bv"})
check('function', 'A B() override final', {1: "B", 2: "1Bv"},
output='A B() final override')
check('function', 'MyClass::a_member_function() volatile',
{1: "MyClass::a_member_functionV", 2: "NV7MyClass17a_member_functionEv"})
check('function', 'MyClass::a_member_function() volatile const',
{1: "MyClass::a_member_functionVC", 2: "NVK7MyClass17a_member_functionEv"})
check('function', 'MyClass::a_member_function() &&',
{1: "MyClass::a_member_functionO", 2: "NO7MyClass17a_member_functionEv"})
check('function', 'MyClass::a_member_function() &',
{1: "MyClass::a_member_functionR", 2: "NR7MyClass17a_member_functionEv"})
check('function', 'MyClass::a_member_function() const &',
{1: "MyClass::a_member_functionCR", 2: "NKR7MyClass17a_member_functionEv"})
check('function', 'int main(int argc, char *argv[])',
{1: "main__i.cPA", 2: "4mainiA_Pc"})
check('function', 'MyClass &MyClass::operator++()',
{1: "MyClass::inc-operator", 2: "N7MyClassppEv"})
check('function', 'MyClass::pointer MyClass::operator->()',
{1: "MyClass::pointer-operator", 2: "N7MyClassptEv"})
x = 'std::vector<std::pair<std::string, int>> &module::test(register int ' \
'foo, bar[n], std::string baz = "foobar, blah, bleh") const = 0'
check('function', x, {1: "module::test__i.barA.ssC",
2: "NK6module4testEiAn_3barNSt6stringE",
3: "NK6module4testEiA1n_3barNSt6stringE"})
check('function',
'int foo(Foo f = Foo(double(), std::make_pair(int(2), double(3.4))))',
{1: "foo__Foo", 2: "3foo3Foo"})
check('function', 'int foo(A a = x(a))', {1: "foo__A", 2: "3foo1A"})
with pytest.raises(DefinitionError):
parse('function', 'int foo(B b=x(a)')
with pytest.raises(DefinitionError):
parse('function', 'int foo)C c=x(a))')
with pytest.raises(DefinitionError):
parse('function', 'int foo(D d=x(a')
check('function', 'int foo(const A&... a)', {1: "foo__ACRDp", 2: "3fooDpRK1A"})
check('function', 'int foo(const A&...)', {1: "foo__ACRDp", 2: "3fooDpRK1A"})
check('function', 'int foo(const A*... a)', {1: "foo__ACPDp", 2: "3fooDpPK1A"})
check('function', 'int foo(const A*...)', {1: "foo__ACPDp", 2: "3fooDpPK1A"})
check('function', 'int foo(const int A::*... a)', {2: "3fooDpM1AKi"})
check('function', 'int foo(const int A::*...)', {2: "3fooDpM1AKi"})
#check('function', 'int foo(int (*a)(A)...)', {1: "foo__ACRDp", 2: "3fooDpPK1A"})
#check('function', 'int foo(int (*)(A)...)', {1: "foo__ACRDp", 2: "3fooDpPK1A"})
check('function', 'virtual void f()', {1: "f", 2: "1fv"})
# test for ::nestedName, from issue 1738
check("function", "result(int val, ::std::error_category const &cat)",
{1: "result__i.std::error_categoryCR", 2: "6resultiRKNSt14error_categoryE"})
check("function", "int *f()", {1: "f", 2: "1fv"})
# tests derived from issue #1753 (skip to keep sanity)
check("function", "f(int (&array)[10])", {2: "1fRA10_i", 3: "1fRAL10E_i"})
check("function", "void f(int (&array)[10])", {2: "1fRA10_i", 3: "1fRAL10E_i"})
check("function", "void f(float *q(double))", {2: "1fFPfdE"})
check("function", "void f(float *(*q)(double))", {2: "1fPFPfdE"})
check("function", "void f(float (*q)(double))", {2: "1fPFfdE"})
check("function", "int (*f(double d))(float)", {1: "f__double", 2: "1fd"})
check("function", "int (*f(bool b))[5]", {1: "f__b", 2: "1fb"})
check("function", "int (*A::f(double d) const)(float)",
{1: "A::f__doubleC", 2: "NK1A1fEd"})
check("function", "void f(std::shared_ptr<int(double)> ptr)",
{2: "1fNSt10shared_ptrIFidEEE"})
check("function", "void f(int *const p)", {1: "f__iPC", 2: "1fPCi"})
check("function", "void f(int *volatile const p)", {1: "f__iPVC", 2: "1fPVCi"})
check('function', 'extern int f()', {1: 'f', 2: '1fv'})
check('function', 'decltype(auto) f()', {1: 'f', 2: "1fv"})
# TODO: make tests for functions in a template, e.g., Test<int&&()>
# such that the id generation for function type types is correct.
check('function', 'friend std::ostream &f(std::ostream &s, int i)',
{1: 'f__osR.i', 2: '1fRNSt7ostreamEi'})
# from breathe#223
check('function', 'void f(struct E e)', {1: 'f__E', 2: '1f1E'})
check('function', 'void f(class E e)', {1: 'f__E', 2: '1f1E'})
check('function', 'void f(typename E e)', {1: 'f__E', 2: '1f1E'})
check('function', 'void f(enum E e)', {1: 'f__E', 2: '1f1E'})
check('function', 'void f(union E e)', {1: 'f__E', 2: '1f1E'})
# pointer to member (function)
check('function', 'void f(int C::*)', {2: '1fM1Ci'})
check('function', 'void f(int C::* p)', {2: '1fM1Ci'})
check('function', 'void f(int ::C::* p)', {2: '1fM1Ci'})
check('function', 'void f(int C::*const)', {2: '1fKM1Ci'})
check('function', 'void f(int C::*const&)', {2: '1fRKM1Ci'})
check('function', 'void f(int C::*volatile)', {2: '1fVM1Ci'})
check('function', 'void f(int C::*const volatile)', {2: '1fVKM1Ci'},
output='void f(int C::*volatile const)')
check('function', 'void f(int C::*volatile const)', {2: '1fVKM1Ci'})
check('function', 'void f(int (C::*)(float, double))', {2: '1fM1CFifdE'})
check('function', 'void f(int (C::* p)(float, double))', {2: '1fM1CFifdE'})
check('function', 'void f(int (::C::* p)(float, double))', {2: '1fM1CFifdE'})
check('function', 'void f(void (C::*)() const &)', {2: '1fM1CKRFvvE'})
check('function', 'int C::* f(int, double)', {2: '1fid'})
check('function', 'void f(int C::* *p)', {2: '1fPM1Ci'})
check('function', 'void f(int C::**)', {2: '1fPM1Ci'})
check('function', 'void f(int C::*const *p)', {2: '1fPKM1Ci'})
check('function', 'void f(int C::*const*)', {2: '1fPKM1Ci'})
# exceptions from return type mangling
check('function', 'template<typename T> C()', {2: 'I0E1Cv'})
check('function', 'template<typename T> operator int()', {1: None, 2: 'I0Ecviv'})
def test_operators():
check('function', 'void operator new [ ] ()',
{1: "new-array-operator", 2: "nav"}, output='void operator new[]()')
check('function', 'void operator delete ()',
{1: "delete-operator", 2: "dlv"}, output='void operator delete()')
check('function', 'operator bool() const',
{1: "castto-b-operatorC", 2: "NKcvbEv"}, output='operator bool() const')
check('function', 'void operator * ()',
{1: "mul-operator", 2: "mlv"}, output='void operator*()')
check('function', 'void operator - ()',
{1: "sub-operator", 2: "miv"}, output='void operator-()')
check('function', 'void operator + ()',
{1: "add-operator", 2: "plv"}, output='void operator+()')
check('function', 'void operator = ()',
{1: "assign-operator", 2: "aSv"}, output='void operator=()')
check('function', 'void operator / ()',
{1: "div-operator", 2: "dvv"}, output='void operator/()')
check('function', 'void operator % ()',
{1: "mod-operator", 2: "rmv"}, output='void operator%()')
check('function', 'void operator ! ()',
{1: "not-operator", 2: "ntv"}, output='void operator!()')
check('function', 'void operator "" _udl()',
{2: 'li4_udlv'}, output='void operator""_udl()')
def test_class_definitions():
check('class', 'public A', {1: "A", 2: "1A"}, output='A')
check('class', 'private A', {1: "A", 2: "1A"})
check('class', 'A final', {1: 'A', 2: '1A'})
# test bases
check('class', 'A', {1: "A", 2: "1A"})
check('class', 'A::B::C', {1: "A::B::C", 2: "N1A1B1CE"})
check('class', 'A : B', {1: "A", 2: "1A"})
check('class', 'A : private B', {1: "A", 2: "1A"})
check('class', 'A : public B', {1: "A", 2: "1A"})
check('class', 'A : B, C', {1: "A", 2: "1A"})
check('class', 'A : B, protected C, D', {1: "A", 2: "1A"})
check('class', 'A : virtual private B', {1: 'A', 2: '1A'}, output='A : private virtual B')
check('class', 'A : private virtual B', {1: 'A', 2: '1A'})
check('class', 'A : B, virtual C', {1: 'A', 2: '1A'})
check('class', 'A : public virtual B', {1: 'A', 2: '1A'})
check('class', 'A : B, C...', {1: 'A', 2: '1A'})
check('class', 'A : B..., C', {1: 'A', 2: '1A'})
# from #4094
check('class', 'template<class, class = std::void_t<>> has_var', {2: 'I00E7has_var'})
check('class', 'template<class T> has_var<T, std::void_t<decltype(&T::var)>>',
{2: 'I0E7has_varI1TNSt6void_tIDTadN1T3varEEEEE'})
def test_union_definitions():
check('union', 'A', {2: "1A"})
def test_enum_definitions():
check('enum', 'A', {2: "1A"})
check('enum', 'A : std::underlying_type<B>::type', {2: "1A"})
check('enum', 'A : unsigned int', {2: "1A"})
check('enum', 'public A', {2: "1A"}, output='A')
check('enum', 'private A', {2: "1A"})
check('enumerator', 'A', {2: "1A"})
check('enumerator', 'A = std::numeric_limits<unsigned long>::max()', {2: "1A"})
def test_anon_definitions():
check('class', '@a', {3: "Ut1_a"})
check('union', '@a', {3: "Ut1_a"})
check('enum', '@a', {3: "Ut1_a"})
check('class', '@1', {3: "Ut1_1"})
check('class', '@a::A', {3: "NUt1_a1AE"})
def test_templates():
check('class', "A<T>", {2: "IE1AI1TE"}, output="template<> A<T>")
# first just check which objects support templating
check('class', "template<> A", {2: "IE1A"})
check('function', "template<> void A()", {2: "IE1Av", 4: "IE1Avv"})
check('member', "template<> A a", {2: "IE1a"})
check('type', "template<> a = A", {2: "IE1a"})
with pytest.raises(DefinitionError):
parse('enum', "template<> A")
with pytest.raises(DefinitionError):
parse('enumerator', "template<> A")
# then all the real tests
check('class', "template<typename T1, typename T2> A", {2: "I00E1A"})
check('type', "template<> a", {2: "IE1a"})
check('class', "template<typename T> A", {2: "I0E1A"})
check('class', "template<class T> A", {2: "I0E1A"})
check('class', "template<typename ...T> A", {2: "IDpE1A"})
check('class', "template<typename...> A", {2: "IDpE1A"})
check('class', "template<typename = Test> A", {2: "I0E1A"})
check('class', "template<typename T = Test> A", {2: "I0E1A"})
check('class', "template<template<typename> typename T> A", {2: "II0E0E1A"})
check('class', "template<template<typename> typename> A", {2: "II0E0E1A"})
check('class', "template<template<typename> typename ...T> A", {2: "II0EDpE1A"})
check('class', "template<template<typename> typename...> A", {2: "II0EDpE1A"})
check('class', "template<int> A", {2: "I_iE1A"})
check('class', "template<int T> A", {2: "I_iE1A"})
check('class', "template<int... T> A", {2: "I_DpiE1A"})
check('class', "template<int T = 42> A", {2: "I_iE1A"})
check('class', "template<int = 42> A", {2: "I_iE1A"})
check('class', "template<> A<NS::B<>>", {2: "IE1AIN2NS1BIEEE"})
# from #2058
check('function',
"template<typename Char, typename Traits> "
"inline std::basic_ostream<Char, Traits> &operator<<("
"std::basic_ostream<Char, Traits> &os, "
"const c_string_view_base<const Char, Traits> &str)",
{2: "I00ElsRNSt13basic_ostreamI4Char6TraitsEE"
"RK18c_string_view_baseIK4Char6TraitsE",
4: "I00Els"
"RNSt13basic_ostreamI4Char6TraitsEE"
"RNSt13basic_ostreamI4Char6TraitsEE"
"RK18c_string_view_baseIK4Char6TraitsE"})
# template introductions
with pytest.raises(DefinitionError):
parse('enum', 'abc::ns::foo{id_0, id_1, id_2} A')
with pytest.raises(DefinitionError):
parse('enumerator', 'abc::ns::foo{id_0, id_1, id_2} A')
check('class', 'abc::ns::foo{id_0, id_1, id_2} xyz::bar',
{2: 'I000EXN3abc2ns3fooEI4id_04id_14id_2EEN3xyz3barE'})
check('class', 'abc::ns::foo{id_0, id_1, ...id_2} xyz::bar',
{2: 'I00DpEXN3abc2ns3fooEI4id_04id_1sp4id_2EEN3xyz3barE'})
check('class', 'abc::ns::foo{id_0, id_1, id_2} xyz::bar<id_0, id_1, id_2>',
{2: 'I000EXN3abc2ns3fooEI4id_04id_14id_2EEN3xyz3barI4id_04id_14id_2EE'})
check('class', 'abc::ns::foo{id_0, id_1, ...id_2} xyz::bar<id_0, id_1, id_2...>',
{2: 'I00DpEXN3abc2ns3fooEI4id_04id_1sp4id_2EEN3xyz3barI4id_04id_1Dp4id_2EE'})
check('class', 'template<> Concept{U} A<int>::B', {2: 'IEI0EX7ConceptI1UEEN1AIiE1BE'})
check('type', 'abc::ns::foo{id_0, id_1, id_2} xyz::bar = ghi::qux',
{2: 'I000EXN3abc2ns3fooEI4id_04id_14id_2EEN3xyz3barE'})
check('type', 'abc::ns::foo{id_0, id_1, ...id_2} xyz::bar = ghi::qux',
{2: 'I00DpEXN3abc2ns3fooEI4id_04id_1sp4id_2EEN3xyz3barE'})
check('function', 'abc::ns::foo{id_0, id_1, id_2} void xyz::bar()',
{2: 'I000EXN3abc2ns3fooEI4id_04id_14id_2EEN3xyz3barEv',
4: 'I000EXN3abc2ns3fooEI4id_04id_14id_2EEN3xyz3barEvv'})
check('function', 'abc::ns::foo{id_0, id_1, ...id_2} void xyz::bar()',
{2: 'I00DpEXN3abc2ns3fooEI4id_04id_1sp4id_2EEN3xyz3barEv',
4: 'I00DpEXN3abc2ns3fooEI4id_04id_1sp4id_2EEN3xyz3barEvv'})
check('member', 'abc::ns::foo{id_0, id_1, id_2} ghi::qux xyz::bar',
{2: 'I000EXN3abc2ns3fooEI4id_04id_14id_2EEN3xyz3barE'})
check('member', 'abc::ns::foo{id_0, id_1, ...id_2} ghi::qux xyz::bar',
{2: 'I00DpEXN3abc2ns3fooEI4id_04id_1sp4id_2EEN3xyz3barE'})
check('concept', 'Iterator{T, U} Another', {2: 'I00EX8IteratorI1T1UEE7Another'})
check('concept', 'template<typename ...Pack> Numerics = (... && Numeric<Pack>)',
{2: 'IDpE8Numerics'})
# explicit specializations of members
check('member', 'template<> int A<int>::a', {2: 'IEN1AIiE1aE'})
check('member', 'template int A<int>::a', {2: 'IEN1AIiE1aE'},
output='template<> int A<int>::a') # same as above
check('member', 'template<> template<> int A<int>::B<int>::b', {2: 'IEIEN1AIiE1BIiE1bE'})
check('member', 'template int A<int>::B<int>::b', {2: 'IEIEN1AIiE1BIiE1bE'},
output='template<> template<> int A<int>::B<int>::b') # same as above
# defaulted constrained type parameters
check('type', 'template<C T = int&> A', {2: 'I_1CE1A'})
def test_template_args():
# from breathe#218
check('function',
"template<typename F> "
"void allow(F *f, typename func<F, B, G != 1>::type tt)",
{2: "I0E5allowP1FN4funcI1F1BXG != 1EE4typeE",
3: "I0E5allowP1FN4funcI1F1BXne1GL1EEE4typeE",
4: "I0E5allowvP1FN4funcI1F1BXne1GL1EEE4typeE"})
# from #3542
check('type', "template<typename T> "
"enable_if_not_array_t = std::enable_if_t<!is_array<T>::value, int>",
{2: "I0E21enable_if_not_array_t"})
def test_initializers():
idsMember = {1: 'v__T', 2: '1v'}
idsFunction = {1: 'f__T', 2: '1f1T'}
idsTemplate = {2: 'I_1TE1fv', 4: 'I_1TE1fvv'}
# no init
check('member', 'T v', idsMember)
check('function', 'void f(T v)', idsFunction)
check('function', 'template<T v> void f()', idsTemplate)
# with '=', assignment-expression
check('member', 'T v = 42', idsMember)
check('function', 'void f(T v = 42)', idsFunction)
check('function', 'template<T v = 42> void f()', idsTemplate)
# with '=', braced-init
check('member', 'T v = {}', idsMember)
check('function', 'void f(T v = {})', idsFunction)
check('function', 'template<T v = {}> void f()', idsTemplate)
check('member', 'T v = {42, 42, 42}', idsMember)
check('function', 'void f(T v = {42, 42, 42})', idsFunction)
check('function', 'template<T v = {42, 42, 42}> void f()', idsTemplate)
check('member', 'T v = {42, 42, 42,}', idsMember)
check('function', 'void f(T v = {42, 42, 42,})', idsFunction)
check('function', 'template<T v = {42, 42, 42,}> void f()', idsTemplate)
check('member', 'T v = {42, 42, args...}', idsMember)
check('function', 'void f(T v = {42, 42, args...})', idsFunction)
check('function', 'template<T v = {42, 42, args...}> void f()', idsTemplate)
# without '=', braced-init
check('member', 'T v{}', idsMember)
check('member', 'T v{42, 42, 42}', idsMember)
check('member', 'T v{42, 42, 42,}', idsMember)
check('member', 'T v{42, 42, args...}', idsMember)
# other
check('member', 'T v = T{}', idsMember)
def test_attributes():
# style: C++
check('member', '[[]] int f', {1: 'f__i', 2: '1f'})
check('member', '[ [ ] ] int f', {1: 'f__i', 2: '1f'},
# this will fail when the proper grammar is implemented
output='[[ ]] int f')
check('member', '[[a]] int f', {1: 'f__i', 2: '1f'})
# style: GNU
check('member', '__attribute__(()) int f', {1: 'f__i', 2: '1f'})
check('member', '__attribute__((a)) int f', {1: 'f__i', 2: '1f'})
check('member', '__attribute__((a, b)) int f', {1: 'f__i', 2: '1f'})
# style: user-defined id
check('member', 'id_attr int f', {1: 'f__i', 2: '1f'})
# style: user-defined paren
check('member', 'paren_attr() int f', {1: 'f__i', 2: '1f'})
check('member', 'paren_attr(a) int f', {1: 'f__i', 2: '1f'})
check('member', 'paren_attr("") int f', {1: 'f__i', 2: '1f'})
check('member', 'paren_attr(()[{}][]{}) int f', {1: 'f__i', 2: '1f'})
with pytest.raises(DefinitionError):
parse('member', 'paren_attr(() int f')
with pytest.raises(DefinitionError):
parse('member', 'paren_attr([) int f')
with pytest.raises(DefinitionError):
parse('member', 'paren_attr({) int f')
with pytest.raises(DefinitionError):
parse('member', 'paren_attr([)]) int f')
with pytest.raises(DefinitionError):
parse('member', 'paren_attr((])) int f')
with pytest.raises(DefinitionError):
parse('member', 'paren_attr({]}) int f')
# position: decl specs
check('function', 'static inline __attribute__(()) void f()',
{1: 'f', 2: '1fv'},
output='__attribute__(()) static inline void f()')
check('function', '[[attr1]] [[attr2]] void f()',
{1: 'f', 2: '1fv'},
output='[[attr1]] [[attr2]] void f()')
# position: declarator
check('member', 'int *[[attr]] i', {1: 'i__iP', 2: '1i'})
check('member', 'int *const [[attr]] volatile i', {1: 'i__iPVC', 2: '1i'},
output='int *[[attr]] volatile const i')
check('member', 'int &[[attr]] i', {1: 'i__iR', 2: '1i'})
check('member', 'int *[[attr]] *i', {1: 'i__iPP', 2: '1i'})
def test_xref_parsing():
def check(target):
class Config:
cpp_id_attributes = ["id_attr"]
cpp_paren_attributes = ["paren_attr"]
parser = DefinitionParser(target, location=None,
config=Config())
ast, isShorthand = parser.parse_xref_object()
parser.assert_end()
check('f')
check('f()')
check('void f()')
check('T f()')
# def test_print():
# # used for getting all the ids out for checking
# for a in ids:
# print(a)
# raise DefinitionError("")
def filter_warnings(warning, file):
lines = warning.getvalue().split("\n");
res = [l for l in lines if "domain-cpp" in l and "{}.rst".format(file) in l and
"WARNING: document isn't included in any toctree" not in l]
print("Filtered warnings for file '{}':".format(file))
for w in res:
print(w)
return res
@pytest.mark.sphinx(testroot='domain-cpp', confoverrides={'nitpicky': True})
def test_build_domain_cpp_multi_decl_lookup(app, status, warning):
app.builder.build_all()
ws = filter_warnings(warning, "lookup-key-overload")
assert len(ws) == 0
ws = filter_warnings(warning, "multi-decl-lookup")
assert len(ws) == 0
@pytest.mark.sphinx(testroot='domain-cpp', confoverrides={'nitpicky': True})
def test_build_domain_cpp_warn_template_param_qualified_name(app, status, warning):
app.builder.build_all()
ws = filter_warnings(warning, "warn-template-param-qualified-name")
assert len(ws) == 2
assert "WARNING: cpp:type reference target not found: T::typeWarn" in ws[0]
assert "WARNING: cpp:type reference target not found: T::U::typeWarn" in ws[1]
@pytest.mark.sphinx(testroot='domain-cpp', confoverrides={'nitpicky': True})
def test_build_domain_cpp_backslash_ok(app, status, warning):
app.builder.build_all()
ws = filter_warnings(warning, "backslash")
assert len(ws) == 0
@pytest.mark.sphinx(testroot='domain-cpp',
confoverrides={'nitpicky': True, 'strip_signature_backslash': True})
def test_build_domain_cpp_backslash_ok(app, status, warning):
app.builder.build_all()
ws = filter_warnings(warning, "backslash")
assert len(ws) == 1
assert "WARNING: Parsing of expression failed. Using fallback parser." in ws[0]
@pytest.mark.sphinx(testroot='domain-cpp')
def test_build_domain_cpp_misuse_of_roles(app, status, warning):
app.builder.build_all()
ws = filter_warnings(warning, "roles-targets-ok")
assert len(ws) == 0
ws = filter_warnings(warning, "roles-targets-warn")
# the roles that should be able to generate warnings:
allRoles = ['class', 'struct', 'union', 'func', 'member', 'var', 'type', 'concept', 'enum', 'enumerator']
ok = [ # targetType, okRoles
('class', ['class', 'struct', 'type']),
('union', ['union', 'type']),
('func', ['func', 'type']),
('member', ['member', 'var']),
('type', ['type']),
('concept', ['concept']),
('enum', ['type', 'enum']),
('enumerator', ['enumerator']),
('tParam', ['class', 'struct', 'union', 'func', 'member', 'var', 'type', 'concept', 'enum', 'enumerator', 'functionParam']),
('functionParam', ['member', 'var']),
]
warn = []
for targetType, roles in ok:
txtTargetType = "function" if targetType == "func" else targetType
for r in allRoles:
if r not in roles:
warn.append("WARNING: cpp:{} targets a {} (".format(r, txtTargetType))
warn = list(sorted(warn))
for w in ws:
assert "targets a" in w
ws = [w[w.index("WARNING:"):] for w in ws]
ws = list(sorted(ws))
print("Expected warnings:")
for w in warn:
print(w)
print("Actual warnings:")
for w in ws:
print(w)
for i in range(min(len(warn), len(ws))):
assert ws[i].startswith(warn[i])
assert len(ws) == len(warn)
@pytest.mark.skipif(docutils.__version_info__ < (0, 13),
reason='docutils-0.13 or above is required')
@pytest.mark.sphinx(testroot='domain-cpp', confoverrides={'add_function_parentheses': True})
def test_build_domain_cpp_with_add_function_parentheses_is_True(app, status, warning):
app.builder.build_all()
def check(spec, text, file):
pattern = '<li><p>%s<a .*?><code .*?><span .*?>%s</span></code></a></p></li>' % spec
res = re.search(pattern, text)
if not res:
print("Pattern\n\t%s\nnot found in %s" % (pattern, file))
assert False
rolePatterns = [
('', 'Sphinx'),
('', 'Sphinx::version'),
('', 'version'),
('', 'List'),
('', 'MyEnum')
]
parenPatterns = [
('ref function without parens ', r'paren_1\(\)'),
('ref function with parens ', r'paren_2\(\)'),
('ref function without parens, explicit title ', 'paren_3_title'),
('ref function with parens, explicit title ', 'paren_4_title'),
('ref op call without parens ', r'paren_5::operator\(\)\(\)'),
('ref op call with parens ', r'paren_6::operator\(\)\(\)'),
('ref op call without parens, explicit title ', 'paren_7_title'),
('ref op call with parens, explicit title ', 'paren_8_title')
]
f = 'roles.html'
t = (app.outdir / f).read_text()
for s in rolePatterns:
check(s, t, f)
for s in parenPatterns:
check(s, t, f)
f = 'any-role.html'
t = (app.outdir / f).read_text()
for s in parenPatterns:
check(s, t, f)
@pytest.mark.skipif(docutils.__version_info__ < (0, 13),
reason='docutils-0.13 or above is required')
@pytest.mark.sphinx(testroot='domain-cpp', confoverrides={'add_function_parentheses': False})
def test_build_domain_cpp_with_add_function_parentheses_is_False(app, status, warning):
app.builder.build_all()
def check(spec, text, file):
pattern = '<li><p>%s<a .*?><code .*?><span .*?>%s</span></code></a></p></li>' % spec
res = re.search(pattern, text)
if not res:
print("Pattern\n\t%s\nnot found in %s" % (pattern, file))
assert False
rolePatterns = [
('', 'Sphinx'),
('', 'Sphinx::version'),
('', 'version'),
('', 'List'),
('', 'MyEnum')
]
parenPatterns = [
('ref function without parens ', 'paren_1'),
('ref function with parens ', 'paren_2'),
('ref function without parens, explicit title ', 'paren_3_title'),
('ref function with parens, explicit title ', 'paren_4_title'),
('ref op call without parens ', r'paren_5::operator\(\)'),
('ref op call with parens ', r'paren_6::operator\(\)'),
('ref op call without parens, explicit title ', 'paren_7_title'),
('ref op call with parens, explicit title ', 'paren_8_title')
]
f = 'roles.html'
t = (app.outdir / f).read_text()
for s in rolePatterns:
check(s, t, f)
for s in parenPatterns:
check(s, t, f)
f = 'any-role.html'
t = (app.outdir / f).read_text()
for s in parenPatterns:
check(s, t, f)
@pytest.mark.sphinx(testroot='domain-cpp')
def test_xref_consistency(app, status, warning):
app.builder.build_all()
test = 'xref_consistency.html'
output = (app.outdir / test).read_text()
def classes(role, tag):
pattern = (r'{role}-role:.*?'
r'<(?P<tag>{tag}) .*?class=["\'](?P<classes>.*?)["\'].*?>'
r'.*'
r'</(?P=tag)>').format(role=role, tag=tag)
result = re.search(pattern, output)
expect = '''\
Pattern for role `{role}` with tag `{tag}`
\t{pattern}
not found in `{test}`
'''.format(role=role, tag=tag, pattern=pattern, test=test)
assert result, expect
return set(result.group('classes').split())
class RoleClasses:
"""Collect the classes from the layout that was generated for a given role."""
def __init__(self, role, root, contents):
self.name = role
self.classes = classes(role, root)
self.content_classes = dict()
for tag in contents:
self.content_classes[tag] = classes(role, tag)
# not actually used as a reference point
# code_role = RoleClasses('code', 'code', [])
any_role = RoleClasses('any', 'a', ['code'])
cpp_any_role = RoleClasses('cpp-any', 'a', ['code'])
# NYI: consistent looks
# texpr_role = RoleClasses('cpp-texpr', 'span', ['a', 'code'])
expr_role = RoleClasses('cpp-expr', 'code', ['a'])
texpr_role = RoleClasses('cpp-texpr', 'span', ['a', 'span'])
# XRefRole-style classes
# any and cpp:any do not put these classes at the root
# n.b. the generic any machinery finds the specific 'cpp-class' object type
expect = 'any uses XRefRole classes'
assert {'xref', 'any', 'cpp', 'cpp-class'} <= any_role.content_classes['code'], expect
expect = 'cpp:any uses XRefRole classes'
assert {'xref', 'cpp-any', 'cpp'} <= cpp_any_role.content_classes['code'], expect
for role in (expr_role, texpr_role):
name = role.name
expect = '`{name}` puts the domain and role classes at its root'.format(name=name)
# NYI: xref should go in the references
assert {'xref', 'cpp', name} <= role.classes, expect
# reference classes
expect = 'the xref roles use the same reference classes'
assert any_role.classes == cpp_any_role.classes, expect
assert any_role.classes == expr_role.content_classes['a'], expect
assert any_role.classes == texpr_role.content_classes['a'], expect