mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-23 06:26:15 +02:00
68 lines
2 KiB
C++
68 lines
2 KiB
C++
#include "nix_api_store.h"
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#include "nix_api_store_internal.h"
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#include "nix_api_util.h"
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#include "nix_api_util_internal.h"
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#include "nix_api_expr.h"
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#include "nix_api_expr_internal.h"
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#include "nix_api_value.h"
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#include "nix_api_external.h"
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#include "tests/nix_api_expr.hh"
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#include "tests/string_callback.hh"
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#include <gtest/gtest.h>
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namespace nixC {
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class MyExternalValueDesc : public NixCExternalValueDesc
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{
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public:
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MyExternalValueDesc(int x)
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: _x(x)
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{
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print = print_function;
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showType = show_type_function;
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typeOf = type_of_function;
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}
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private:
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int _x;
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static void print_function(void * self, nix_printer * printer) {}
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static void show_type_function(void * self, nix_string_return * res) {}
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static void type_of_function(void * self, nix_string_return * res)
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{
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MyExternalValueDesc * obj = static_cast<MyExternalValueDesc *>(self);
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std::string type_string = "nix-external<MyExternalValueDesc( ";
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type_string += std::to_string(obj->_x);
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type_string += " )>";
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res->str = &*type_string.begin();
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}
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};
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TEST_F(nix_api_expr_test, nix_expr_eval_external)
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{
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MyExternalValueDesc * external = new MyExternalValueDesc(42);
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ExternalValue * val = nix_create_external_value(ctx, external, external);
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nix_init_external(ctx, value, val);
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EvalState * stateResult = nix_state_create(nullptr, nullptr, store);
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nix_value * valueResult = nix_alloc_value(nullptr, stateResult);
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EvalState * stateFn = nix_state_create(nullptr, nullptr, store);
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nix_value * valueFn = nix_alloc_value(nullptr, stateFn);
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nix_expr_eval_from_string(nullptr, state, "builtins.typeOf", ".", valueFn);
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ASSERT_EQ(NIX_TYPE_EXTERNAL, nix_get_type(nullptr, value));
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nix_value_call(ctx, state, valueFn, value, valueResult);
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std::string string_value;
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nix_get_string(nullptr, valueResult, OBSERVE_STRING(string_value));
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ASSERT_STREQ("nix-external<MyExternalValueDesc( 42 )>", string_value.c_str());
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}
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}
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