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diff --git a/tests/unit_tests/wallet_storage.cpp b/tests/unit_tests/wallet_storage.cpp
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+++ b/tests/unit_tests/wallet_storage.cpp
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+// Copyright (c) 2023, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "unit_tests_utils.h"
+#include "gtest/gtest.h"
+
+#include "file_io_utils.h"
+#include "wallet/wallet2.h"
+
+using namespace boost::filesystem;
+using namespace epee::file_io_utils;
+
+static constexpr const char WALLET_00fd416a_PRIMARY_ADDRESS[] =
+    "45p2SngJAPSJbqSiUvYfS3BfhEdxZmv8pDt25oW1LzxrZv9Uq6ARagiFViMGUE3gJk5VPWingCXVf1p2tyAy6SUeSHPhbve";
+
+TEST(wallet_storage, store_to_file2file)
+{
+    const path source_wallet_file = unit_test::data_dir / "wallet_00fd416a";
+    const path interm_wallet_file = unit_test::data_dir / "wallet_00fd416a_copy_file2file";
+    const path target_wallet_file = unit_test::data_dir / "wallet_00fd416a_new_file2file";
+
+    ASSERT_TRUE(is_file_exist(source_wallet_file.string()));
+    ASSERT_TRUE(is_file_exist(source_wallet_file.string() + ".keys"));
+
+    copy_file(source_wallet_file, interm_wallet_file, copy_option::overwrite_if_exists);
+    copy_file(source_wallet_file.string() + ".keys", interm_wallet_file.string() + ".keys", copy_option::overwrite_if_exists);
+
+    ASSERT_TRUE(is_file_exist(interm_wallet_file.string()));
+    ASSERT_TRUE(is_file_exist(interm_wallet_file.string() + ".keys"));
+
+    if (is_file_exist(target_wallet_file.string()))
+        remove(target_wallet_file);
+    if (is_file_exist(target_wallet_file.string() + ".keys"))
+        remove(target_wallet_file.string() + ".keys");
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string()));
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    epee::wipeable_string password("beepbeep");
+
+    const auto files_are_expected = [&]()
+    {
+        EXPECT_FALSE(is_file_exist(interm_wallet_file.string()));
+        EXPECT_FALSE(is_file_exist(interm_wallet_file.string() + ".keys"));
+        EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+        EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+    };
+
+    {
+        tools::wallet2 w;
+        w.load(interm_wallet_file.string(), password);
+        const std::string primary_address = w.get_address_as_str();
+        EXPECT_EQ(WALLET_00fd416a_PRIMARY_ADDRESS, primary_address);
+        w.store_to(target_wallet_file.string(), password);
+        files_are_expected();
+    }
+
+    files_are_expected();
+
+    {
+        tools::wallet2 w;
+        w.load(target_wallet_file.string(), password);
+        const std::string primary_address = w.get_address_as_str();
+        EXPECT_EQ(WALLET_00fd416a_PRIMARY_ADDRESS, primary_address);
+        w.store_to("", "");
+        files_are_expected();
+    }
+
+    files_are_expected();
+}
+
+TEST(wallet_storage, store_to_mem2file)
+{
+    const path target_wallet_file = unit_test::data_dir / "wallet_mem2file";
+
+    if (is_file_exist(target_wallet_file.string()))
+        remove(target_wallet_file);
+    if (is_file_exist(target_wallet_file.string() + ".keys"))
+        remove(target_wallet_file.string() + ".keys");
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string()));
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    epee::wipeable_string password("beepbeep2");
+
+    {
+        tools::wallet2 w;
+        w.generate("", password);
+        w.store_to(target_wallet_file.string(), password);
+
+        EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+        EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+    }
+
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    {
+        tools::wallet2 w;
+        w.load(target_wallet_file.string(), password);
+
+        EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+        EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+    }
+
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+}
+
+TEST(wallet_storage, change_password_same_file)
+{
+    const path source_wallet_file = unit_test::data_dir / "wallet_00fd416a";
+    const path interm_wallet_file = unit_test::data_dir / "wallet_00fd416a_copy_change_password_same";
+
+    ASSERT_TRUE(is_file_exist(source_wallet_file.string()));
+    ASSERT_TRUE(is_file_exist(source_wallet_file.string() + ".keys"));
+
+    copy_file(source_wallet_file, interm_wallet_file, copy_option::overwrite_if_exists);
+    copy_file(source_wallet_file.string() + ".keys", interm_wallet_file.string() + ".keys", copy_option::overwrite_if_exists);
+
+    ASSERT_TRUE(is_file_exist(interm_wallet_file.string()));
+    ASSERT_TRUE(is_file_exist(interm_wallet_file.string() + ".keys"));
+
+    epee::wipeable_string old_password("beepbeep");
+    epee::wipeable_string new_password("meepmeep");
+
+    {
+        tools::wallet2 w;
+        w.load(interm_wallet_file.string(), old_password);
+        const std::string primary_address = w.get_address_as_str();
+        EXPECT_EQ(WALLET_00fd416a_PRIMARY_ADDRESS, primary_address);
+        w.change_password(w.get_wallet_file(), old_password, new_password);
+    }
+
+    {
+        tools::wallet2 w;
+        w.load(interm_wallet_file.string(), new_password);
+        const std::string primary_address = w.get_address_as_str();
+        EXPECT_EQ(WALLET_00fd416a_PRIMARY_ADDRESS, primary_address);
+    }
+
+    {
+        tools::wallet2 w;
+        EXPECT_THROW(w.load(interm_wallet_file.string(), old_password), tools::error::invalid_password);
+    }
+}
+
+TEST(wallet_storage, change_password_different_file)
+{
+    const path source_wallet_file = unit_test::data_dir / "wallet_00fd416a";
+    const path interm_wallet_file = unit_test::data_dir / "wallet_00fd416a_copy_change_password_diff";
+    const path target_wallet_file = unit_test::data_dir / "wallet_00fd416a_new_change_password_diff";
+
+    ASSERT_TRUE(is_file_exist(source_wallet_file.string()));
+    ASSERT_TRUE(is_file_exist(source_wallet_file.string() + ".keys"));
+
+    copy_file(source_wallet_file, interm_wallet_file, copy_option::overwrite_if_exists);
+    copy_file(source_wallet_file.string() + ".keys", interm_wallet_file.string() + ".keys", copy_option::overwrite_if_exists);
+
+    ASSERT_TRUE(is_file_exist(interm_wallet_file.string()));
+    ASSERT_TRUE(is_file_exist(interm_wallet_file.string() + ".keys"));
+
+    if (is_file_exist(target_wallet_file.string()))
+        remove(target_wallet_file);
+    if (is_file_exist(target_wallet_file.string() + ".keys"))
+        remove(target_wallet_file.string() + ".keys");
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string()));
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    epee::wipeable_string old_password("beepbeep");
+    epee::wipeable_string new_password("meepmeep");
+
+    {
+        tools::wallet2 w;
+        w.load(interm_wallet_file.string(), old_password);
+        const std::string primary_address = w.get_address_as_str();
+        EXPECT_EQ(WALLET_00fd416a_PRIMARY_ADDRESS, primary_address);
+        w.change_password(target_wallet_file.string(), old_password, new_password);
+    }
+
+    EXPECT_FALSE(is_file_exist(interm_wallet_file.string()));
+    EXPECT_FALSE(is_file_exist(interm_wallet_file.string() + ".keys"));
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    {
+        tools::wallet2 w;
+        w.load(target_wallet_file.string(), new_password);
+        const std::string primary_address = w.get_address_as_str();
+        EXPECT_EQ(WALLET_00fd416a_PRIMARY_ADDRESS, primary_address);
+    }
+}
+
+TEST(wallet_storage, change_password_in_memory)
+{
+    const epee::wipeable_string password1("monero");
+    const epee::wipeable_string password2("means money");
+    const epee::wipeable_string password_wrong("is traceable");
+
+    tools::wallet2 w;
+    w.generate("", password1);
+    const std::string primary_address_1 = w.get_address_as_str();
+    w.change_password("", password1, password2);
+    const std::string primary_address_2 = w.get_address_as_str();
+    EXPECT_EQ(primary_address_1, primary_address_2);
+
+    EXPECT_THROW(w.change_password("", password_wrong, password1), tools::error::invalid_password);
+}
+
+TEST(wallet_storage, change_password_mem2file)
+{
+    const path target_wallet_file = unit_test::data_dir / "wallet_change_password_mem2file";
+
+    if (is_file_exist(target_wallet_file.string()))
+        remove(target_wallet_file);
+    if (is_file_exist(target_wallet_file.string() + ".keys"))
+        remove(target_wallet_file.string() + ".keys");
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string()));
+    ASSERT_FALSE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    const epee::wipeable_string password1("https://safecurves.cr.yp.to/rigid.html");
+    const epee::wipeable_string password2(
+        "https://csrc.nist.gov/csrc/media/projects/crypto-standards-development-process/documents/dualec_in_x982_and_sp800-90.pdf");
+    
+    std::string primary_address_1, primary_address_2;
+    {
+        tools::wallet2 w;
+        w.generate("", password1);
+        primary_address_1 = w.get_address_as_str();
+        w.change_password(target_wallet_file.string(), password1, password2);
+    }
+
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string()));
+    EXPECT_TRUE(is_file_exist(target_wallet_file.string() + ".keys"));
+
+    {
+        tools::wallet2 w;
+        w.load(target_wallet_file.string(), password2);
+        primary_address_2 = w.get_address_as_str();
+    }
+
+    EXPECT_EQ(primary_address_1, primary_address_2);
+}