mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-09-20 08:28:06 +03:00
364 lines
10 KiB
C++
364 lines
10 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_value.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 "gmock/gmock.h"
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#include <cstdlib>
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#include <gtest/gtest.h>
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namespace nixC {
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TEST_F(nix_api_expr_test, nix_value_get_int_invalid)
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{
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ASSERT_EQ(0, nix_get_int(ctx, nullptr));
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assert_ctx_err();
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ASSERT_EQ(0, nix_get_int(ctx, value));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_int)
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{
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int myInt = 1;
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nix_init_int(ctx, value, myInt);
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ASSERT_EQ(myInt, nix_get_int(ctx, value));
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ASSERT_STREQ("an integer", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_INT, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_float_invalid)
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{
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ASSERT_FLOAT_EQ(0.0, nix_get_float(ctx, nullptr));
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assert_ctx_err();
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ASSERT_FLOAT_EQ(0.0, nix_get_float(ctx, value));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_float)
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{
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float myDouble = 1.0;
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nix_init_float(ctx, value, myDouble);
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ASSERT_FLOAT_EQ(myDouble, nix_get_float(ctx, value));
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ASSERT_STREQ("a float", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_FLOAT, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_bool_invalid)
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{
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ASSERT_EQ(false, nix_get_bool(ctx, nullptr));
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assert_ctx_err();
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ASSERT_EQ(false, nix_get_bool(ctx, value));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_bool)
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{
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bool myBool = true;
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nix_init_bool(ctx, value, myBool);
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ASSERT_EQ(myBool, nix_get_bool(ctx, value));
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ASSERT_STREQ("a Boolean", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_BOOL, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_string_invalid)
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{
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std::string string_value;
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ASSERT_EQ(NIX_ERR_UNKNOWN, nix_get_string(ctx, nullptr, OBSERVE_STRING(string_value)));
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assert_ctx_err();
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ASSERT_EQ(NIX_ERR_UNKNOWN, nix_get_string(ctx, value, OBSERVE_STRING(string_value)));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_string)
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{
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std::string string_value;
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const char * myString = "some string";
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nix_init_string(ctx, value, myString);
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nix_get_string(ctx, value, OBSERVE_STRING(string_value));
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ASSERT_STREQ(myString, string_value.c_str());
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ASSERT_STREQ("a string", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_STRING, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_null_invalid)
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{
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ASSERT_EQ(NULL, nix_get_typename(ctx, value));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_null)
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{
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nix_init_null(ctx, value);
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ASSERT_STREQ("null", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_NULL, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_path_invalid)
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{
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ASSERT_EQ(nullptr, nix_get_path_string(ctx, nullptr));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_path_string(ctx, value));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_value_set_get_path)
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{
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const char * p = "/nix/store/40s0qmrfb45vlh6610rk29ym318dswdr-myname";
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nix_init_path_string(ctx, state, value, p);
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ASSERT_STREQ(p, nix_get_path_string(ctx, value));
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ASSERT_STREQ("a path", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_PATH, nix_get_type(ctx, value));
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}
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TEST_F(nix_api_expr_test, nix_build_and_init_list_invalid)
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{
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ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, nullptr, state, 0));
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assert_ctx_err();
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ASSERT_EQ(0, nix_get_list_size(ctx, nullptr));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, value, state, 0));
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assert_ctx_err();
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ASSERT_EQ(0, nix_get_list_size(ctx, value));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_build_and_init_list)
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{
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int size = 10;
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ListBuilder * builder = nix_make_list_builder(ctx, state, size);
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Value * intValue = nix_alloc_value(ctx, state);
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nix_init_int(ctx, intValue, 42);
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nix_list_builder_insert(ctx, builder, 0, intValue);
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nix_make_list(ctx, builder, value);
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nix_list_builder_free(builder);
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ASSERT_EQ(42, nix_get_int(ctx, nix_get_list_byidx(ctx, value, state, 0)));
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ASSERT_EQ(nullptr, nix_get_list_byidx(ctx, value, state, 1));
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ASSERT_EQ(10, nix_get_list_size(ctx, value));
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ASSERT_STREQ("a list", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_LIST, nix_get_type(ctx, value));
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// Clean up
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nix_gc_decref(ctx, intValue);
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}
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TEST_F(nix_api_expr_test, nix_build_and_init_attr_invalid)
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{
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ASSERT_EQ(nullptr, nix_get_attr_byname(ctx, nullptr, state, 0));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_attr_byidx(ctx, nullptr, state, 0, nullptr));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_attr_name_byidx(ctx, nullptr, state, 0));
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assert_ctx_err();
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ASSERT_EQ(0, nix_get_attrs_size(ctx, nullptr));
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assert_ctx_err();
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ASSERT_EQ(false, nix_has_attr_byname(ctx, nullptr, state, "no-value"));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_attr_byname(ctx, value, state, 0));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_attr_byidx(ctx, value, state, 0, nullptr));
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assert_ctx_err();
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ASSERT_EQ(nullptr, nix_get_attr_name_byidx(ctx, value, state, 0));
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assert_ctx_err();
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ASSERT_EQ(0, nix_get_attrs_size(ctx, value));
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assert_ctx_err();
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ASSERT_EQ(false, nix_has_attr_byname(ctx, value, state, "no-value"));
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assert_ctx_err();
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}
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TEST_F(nix_api_expr_test, nix_build_and_init_attr)
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{
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int size = 10;
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const char ** out_name = (const char **) malloc(sizeof(char *));
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BindingsBuilder * builder = nix_make_bindings_builder(ctx, state, size);
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Value * intValue = nix_alloc_value(ctx, state);
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nix_init_int(ctx, intValue, 42);
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Value * stringValue = nix_alloc_value(ctx, state);
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nix_init_string(ctx, stringValue, "foo");
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nix_bindings_builder_insert(ctx, builder, "a", intValue);
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nix_bindings_builder_insert(ctx, builder, "b", stringValue);
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nix_make_attrs(ctx, value, builder);
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nix_bindings_builder_free(builder);
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ASSERT_EQ(2, nix_get_attrs_size(ctx, value));
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Value * out_value = nix_get_attr_byname(ctx, value, state, "a");
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ASSERT_EQ(42, nix_get_int(ctx, out_value));
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nix_gc_decref(ctx, out_value);
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out_value = nix_get_attr_byidx(ctx, value, state, 0, out_name);
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ASSERT_EQ(42, nix_get_int(ctx, out_value));
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ASSERT_STREQ("a", *out_name);
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nix_gc_decref(ctx, out_value);
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ASSERT_STREQ("a", nix_get_attr_name_byidx(ctx, value, state, 0));
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ASSERT_EQ(true, nix_has_attr_byname(ctx, value, state, "b"));
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ASSERT_EQ(false, nix_has_attr_byname(ctx, value, state, "no-value"));
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out_value = nix_get_attr_byname(ctx, value, state, "b");
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std::string string_value;
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nix_get_string(ctx, out_value, OBSERVE_STRING(string_value));
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ASSERT_STREQ("foo", string_value.c_str());
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nix_gc_decref(nullptr, out_value);
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out_value = nix_get_attr_byidx(ctx, value, state, 1, out_name);
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nix_get_string(ctx, out_value, OBSERVE_STRING(string_value));
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ASSERT_STREQ("foo", string_value.c_str());
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ASSERT_STREQ("b", *out_name);
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nix_gc_decref(nullptr, out_value);
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ASSERT_STREQ("b", nix_get_attr_name_byidx(ctx, value, state, 1));
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ASSERT_STREQ("a set", nix_get_typename(ctx, value));
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ASSERT_EQ(NIX_TYPE_ATTRS, nix_get_type(ctx, value));
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// Clean up
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nix_gc_decref(ctx, intValue);
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nix_gc_decref(ctx, stringValue);
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free(out_name);
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}
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TEST_F(nix_api_expr_test, nix_value_init)
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{
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// Setup
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// two = 2;
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// f = a: a * a;
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Value * two = nix_alloc_value(ctx, state);
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nix_init_int(ctx, two, 2);
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Value * f = nix_alloc_value(ctx, state);
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nix_expr_eval_from_string(
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ctx, state, R"(
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a: a * a
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)",
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"<test>", f);
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// Test
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// r = f two;
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Value * r = nix_alloc_value(ctx, state);
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nix_init_apply(ctx, r, f, two);
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assert_ctx_ok();
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ValueType t = nix_get_type(ctx, r);
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assert_ctx_ok();
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ASSERT_EQ(t, NIX_TYPE_THUNK);
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nix_value_force(ctx, state, r);
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t = nix_get_type(ctx, r);
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assert_ctx_ok();
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ASSERT_EQ(t, NIX_TYPE_INT);
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int n = nix_get_int(ctx, r);
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assert_ctx_ok();
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ASSERT_EQ(n, 4);
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// Clean up
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nix_gc_decref(ctx, two);
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nix_gc_decref(ctx, f);
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nix_gc_decref(ctx, r);
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}
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TEST_F(nix_api_expr_test, nix_value_init_apply_error)
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{
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Value * some_string = nix_alloc_value(ctx, state);
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nix_init_string(ctx, some_string, "some string");
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assert_ctx_ok();
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Value * v = nix_alloc_value(ctx, state);
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nix_init_apply(ctx, v, some_string, some_string);
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assert_ctx_ok();
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// All ok. Call has not been evaluated yet.
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// Evaluate it
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nix_value_force(ctx, state, v);
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ASSERT_EQ(ctx->last_err_code, NIX_ERR_NIX_ERROR);
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ASSERT_THAT(ctx->last_err.value(), testing::HasSubstr("attempt to call something which is not a function but"));
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// Clean up
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nix_gc_decref(ctx, some_string);
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nix_gc_decref(ctx, v);
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}
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TEST_F(nix_api_expr_test, nix_value_init_apply_lazy_arg)
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{
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// f is a lazy function: it does not evaluate its argument before returning its return value
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// g is a helper to produce e
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// e is a thunk that throws an exception
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//
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// r = f e
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// r should not throw an exception, because e is not evaluated
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Value * f = nix_alloc_value(ctx, state);
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nix_expr_eval_from_string(
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ctx, state, R"(
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a: { foo = a; }
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)",
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"<test>", f);
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assert_ctx_ok();
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Value * e = nix_alloc_value(ctx, state);
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{
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Value * g = nix_alloc_value(ctx, state);
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nix_expr_eval_from_string(
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ctx, state, R"(
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_ignore: throw "error message for test case nix_value_init_apply_lazy_arg"
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)",
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"<test>", g);
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assert_ctx_ok();
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nix_init_apply(ctx, e, g, g);
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assert_ctx_ok();
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nix_gc_decref(ctx, g);
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}
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Value * r = nix_alloc_value(ctx, state);
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nix_init_apply(ctx, r, f, e);
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assert_ctx_ok();
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nix_value_force(ctx, state, r);
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assert_ctx_ok();
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auto n = nix_get_attrs_size(ctx, r);
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assert_ctx_ok();
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ASSERT_EQ(1, n);
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// nix_get_attr_byname isn't lazy (it could have been) so it will throw the exception
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Value * foo = nix_get_attr_byname(ctx, r, state, "foo");
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ASSERT_EQ(nullptr, foo);
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ASSERT_THAT(ctx->last_err.value(), testing::HasSubstr("error message for test case nix_value_init_apply_lazy_arg"));
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// Clean up
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nix_gc_decref(ctx, f);
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nix_gc_decref(ctx, e);
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}
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}
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