wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-07-02 13:31:48 +02:00
Code Activity

C API: nix_get_string now accepts a callback to return the value

Browse source
This commit is contained in:
José Luis Lafuente 2024-04-15 21:05:52 +02:00
parent 74e4bc9b1d
commit c75b143b6c
No known key found for this signature in database
GPG key ID: 8A3455EBE455489A
6 changed files with 65 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

16
tests/unit/libexpr/nix_api_value.cc
View file

@ -6,6 +6,7 @@
#include "nix_api_value.h"
#include "tests/nix_api_expr.hh"
#include "tests/string_callback.hh"
#include <cstdlib>
#include <gtest/gtest.h>
@ -53,13 +54,15 @@ TEST_F(nix_api_expr_test, nix_value_set_get_bool)
TEST_F(nix_api_expr_test, nix_value_set_get_string)
{
ASSERT_EQ(nullptr, nix_get_string(ctx, nullptr));
ASSERT_DEATH(nix_get_string(ctx, value), "");
std::string string_value;
ASSERT_EQ(NIX_ERR_UNKNOWN, nix_get_string(ctx, nullptr, OBSERVE_STRING(string_value)));
ASSERT_DEATH(nix_get_string(ctx, value, OBSERVE_STRING(string_value)), "");
const char * myString = "some string";
nix_init_string(ctx, value, myString);
ASSERT_STREQ(myString, nix_get_string(ctx, value));
nix_get_string(ctx, value, OBSERVE_STRING(string_value));
ASSERT_STREQ(myString, string_value.c_str());
ASSERT_STREQ("a string", nix_get_typename(ctx, value));
ASSERT_EQ(NIX_TYPE_STRING, nix_get_type(ctx, value));
}
@ -162,11 +165,14 @@ TEST_F(nix_api_expr_test, nix_build_and_init_attr)
ASSERT_EQ(false, nix_has_attr_byname(ctx, value, state, "no-value"));
out_value = nix_get_attr_byname(ctx, value, state, "b");
ASSERT_STREQ("foo", nix_get_string(ctx, out_value));
std::string string_value;
nix_get_string(ctx, out_value, OBSERVE_STRING(string_value));
ASSERT_STREQ("foo", string_value.c_str());
nix_gc_decref(nullptr, out_value);
out_value = nix_get_attr_byidx(ctx, value, state, 1, out_name);
ASSERT_STREQ("foo", nix_get_string(ctx, out_value));
nix_get_string(ctx, out_value, OBSERVE_STRING(string_value));
ASSERT_STREQ("foo", string_value.c_str());
ASSERT_STREQ("b", *out_name);
nix_gc_decref(nullptr, out_value);