transmission/tests/libtransmission/error-test.cc

// This file Copyright (C) 2013-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.

#include <libtransmission/transmission.h>
#include <libtransmission/error.h>

#include "test-fixtures.h"

#include "gtest/gtest.h"

using namespace std::literals;

TEST(Error, errorSet)
{
    tr_error* err = nullptr;

    tr_error_prefix(&err, "error: ");
    EXPECT_EQ(nullptr, err) << *err;

    tr_error_set(&err, 2, "oops"sv);
    EXPECT_NE(nullptr, err);
    EXPECT_EQ(2, err->code);
    EXPECT_STREQ("oops", err->message);

    tr_error_prefix(&err, "error: ");
    EXPECT_NE(nullptr, err);
    EXPECT_EQ(2, err->code);
    EXPECT_STREQ("error: oops", err->message);

    tr_error_free(err);
}

TEST(Error, propagate)
{
    tr_error* err = nullptr;
    tr_error* err2 = nullptr;
    auto constexpr Code = int{ 1 };

    tr_error_set(&err, Code, "oops"sv);
    EXPECT_NE(nullptr, err);
    EXPECT_EQ(Code, err->code);
    EXPECT_STREQ("oops", err->message);

    tr_error_propagate(&err2, &err);
    EXPECT_NE(nullptr, err2);
    EXPECT_EQ(Code, err2->code);
    EXPECT_STREQ("oops", err2->message);
    EXPECT_EQ(nullptr, err) << *err;

    tr_error_clear(&err2);
}