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cpp11/cpp11test/src/test-raws.cpp at main · josh28x/cpp11 · GitHub
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test-raws.cpp
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cpp11
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cpp11test
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src
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test-raws.cpp
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#
include
"
cpp11/raws.hpp
"
#
include
"
Rversion.h
"
#
include
<
testthat.h
>
context
(
"
raws-C++
"
) {
test_that
(
"
raws.push_back()
"
) {
cpp11::writable::raws x;
x.
push_back
(
'
a
'
);
x.
push_back
(
'
b
'
);
expect_true
(x.
size
() ==
2
);
expect_true
(x[
0
] ==
'
a
'
);
expect_true
(x[
1
] ==
'
b
'
);
}
test_that
(
"
raws.resize()
"
) {
cpp11::writable::raws x;
x.
resize
(
2
);
x[
0
] =
'
a
'
;
x[
1
] =
'
b
'
;
expect_true
(x.
size
() ==
2
);
expect_true
(x[
0
] ==
'
a
'
);
expect_true
(x[
1
] ==
'
b
'
);
}
test_that
(
"
raws.at()
"
) {
cpp11::writable::raws x;
expect_error
(x.
at
(-
1
));
expect_error
(x.
at
(
0
));
x.
push_back
(
'
a
'
);
expect_true
(x.
at
(
0
) ==
'
a
'
);
expect_error
(x.
at
(
1
));
}
test_that
(
"
raws.pop_back()
"
) {
cpp11::writable::raws x;
x.
push_back
(
'
a
'
);
x.
push_back
(
'
b
'
);
x.
pop_back
();
expect_true
(x.
size
() ==
1
);
expect_true
(x[
0
] ==
'
a
'
);
expect_error
(x.
at
(
1
));
}
test_that
(
"
raws.insert()
"
) {
cpp11::writable::raws x;
x.
insert
(
0
,
'
a
'
);
x.
insert
(
0
,
'
b
'
);
x.
insert
(
1
,
'
c
'
);
expect_true
(x.
size
() ==
3
);
expect_true
(x[
0
] ==
'
b
'
);
expect_true
(x[
1
] ==
'
c
'
);
expect_true
(x[
2
] ==
'
a
'
);
}
test_that
(
"
raws.erase()
"
) {
cpp11::writable::raws x;
x.
push_back
(
'
a
'
);
x.
push_back
(
'
b
'
);
x.
push_back
(
'
c
'
);
x.
push_back
(
'
d
'
);
x.
push_back
(
'
e
'
);
expect_true
(x.
size
() ==
5
);
x.
erase
(
0
);
expect_true
(x.
size
() ==
4
);
expect_true
(x[
0
] ==
'
b
'
);
expect_true
(x[
1
] ==
'
c
'
);
expect_true
(x[
2
] ==
'
d
'
);
expect_true
(x[
3
] ==
'
e
'
);
x.
erase
(
2
);
expect_true
(x.
size
() ==
3
);
expect_true
(x[
0
] ==
'
b
'
);
expect_true
(x[
1
] ==
'
c
'
);
expect_true
(x[
2
] ==
'
e
'
);
}
test_that
(
"
raws.iterator* =
"
) {
cpp11::writable::raws x;
x.
push_back
(
'
a
'
);
x.
push_back
(
'
b
'
);
x.
push_back
(
'
c
'
);
auto
it = x.
begin
() +
1
;
*it =
'
d
'
;
++it;
*it =
'
e
'
;
expect_true
(x.
size
() ==
3
);
expect_true
(x[
0
] ==
'
a
'
);
expect_true
(x[
1
] ==
'
d
'
);
expect_true
(x[
2
] ==
'
e
'
);
}
test_that
(
"
writable::raws(SEXP)
"
) {
SEXP
x =
PROTECT
(
Rf_allocVector
(
RAWSXP
,
5
));
RAW
(x)[
0
] =
'
a
'
;
RAW
(x)[
1
] =
'
b
'
;
RAW
(x)[
2
] =
'
c
'
;
RAW
(x)[
3
] =
'
d
'
;
RAW
(x)[
4
] =
'
e
'
;
cpp11::writable::raws
y
(x);
y[
0
] =
'
\0
'
;
expect_true
(x != y.
data
());
expect_true
(
RAW
(x)[
0
] ==
'
a
'
);
expect_true
(y[
0
] ==
'
\0
'
);
cpp11::writable::raws
z
(y);
z[
0
] =
'
f
'
;
expect_true
(z.
data
() != y.
data
());
expect_true
(
RAW
(x)[
0
] ==
'
a
'
);
expect_true
(y[
0
] ==
'
\0
'
);
expect_true
(z[
0
] ==
'
f
'
);
UNPROTECT
(
1
);
}
test_that
(
"
writable::raws(initializer_list<named_arg>)
"
) {
using
namespace
cpp11
::literals
;
SEXP
x1 =
PROTECT
(
Rf_allocVector
(
RAWSXP
,
1
));
SEXP
x2 =
PROTECT
(
Rf_allocVector
(
RAWSXP
,
1
));
SEXP
x3 =
PROTECT
(
Rf_allocVector
(
RAWSXP
,
1
));
#
if
R_VERSION >= R_Version(4, 2, 0)
SET_RAW_ELT
(x1,
0
,
1
);
SET_RAW_ELT
(x2,
0
,
2
);
SET_RAW_ELT
(x3,
0
,
255
);
#
else
RAW
(x1)[
0
] =
1
;
RAW
(x2)[
0
] =
2
;
RAW
(x3)[
0
] =
255
;
#
endif
//
From scalar raw vectors
cpp11::writable::raws
x
({
"
one
"
_nm = x1,
"
two
"
_nm = x2,
"
three
"
_nm = x3});
expect_true
(x.
named
());
expect_true
(x[
"
one
"
] ==
1
);
expect_true
(x[
"
two
"
] ==
2
);
expect_true
(x[
"
three
"
] ==
255
);
UNPROTECT
(
3
);
}
test_that
(
"
writable::raws(initializer_list<named_arg>) type check
"
) {
using
namespace
cpp11
::literals
;
expect_error_as
(
cpp11::writable::raws
({
"
one
"
_nm =
true
}), cpp11::type_error);
expect_error_as
(
cpp11::writable::raws
({
"
one
"
_nm = R_NilValue}), cpp11::type_error);
//
`as_sexp()` turns this into an `INTSXP`, which is not compatible
expect_error_as
(
cpp11::writable::raws
({
"
one
"
_nm =
1
}), cpp11::type_error);
}
test_that
(
"
writable::raws(initializer_list<named_arg>) length check
"
) {
using
namespace
cpp11
::literals
;
SEXP
x =
PROTECT
(
Rf_allocVector
(
RAWSXP
,
2
));
expect_error_as
(
cpp11::writable::raws
({
"
x
"
_nm = x}), std::length_error);
UNPROTECT
(
1
);
}
test_that
(
"
writable::raws(initializer_list<uint_8>)
"
) {
cpp11::writable::raws
x
({
1
,
2
,
255
});
expect_true
(x[
0
] ==
1
);
expect_true
(x[
1
] ==
2
);
expect_true
(x[
2
] ==
255
);
}
//
test_that("writable::raws(ALTREP_SEXP)") {
//
SEXP x = PROTECT(R_compact_uint8_trange(1, 5));
//
// Need to find (or create) an altrep class that implements duplicate.
//
cpp11::writable::raws y(x);
//
y[0] = -1;
//
expect_true(x != y.data());
//
expect_true(raw_ELT(x, 0) == 1);
//
expect_true(y[0] == -1);
//
cpp11::writable::raws z(y);
//
z[0] = -2;
//
expect_true(z.data() != y.data());
//
expect_true(raw_ELT(x, 0) == 1);
//
expect_true(y[0] == -1);
//
expect_true(z[0] == -2);
//
z.push_back(6);
//
expect_true(z[5] == 6);
//
UNPROTECT(1);
//
}
}
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