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randombit / botan / 23225340130

18 Mar 2026 01:53AM UTC coverage: 89.677% (-0.001%) from 89.678%
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Merge pull request #5456 from randombit/jack/clang-tidy-22

Fix various warnings from clang-tidy 22

104438 of 116460 relevant lines covered (89.68%)

11819947.55 hits per line

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98.75
/src/tests/test_tests.cpp
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/*
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* (C) 2017,2018 Jack Lloyd
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*
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* Botan is released under the Simplified BSD License (see license.txt)
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*/
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#include "tests.h"
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#include <botan/rng.h>
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#if defined(BOTAN_HAS_BIGINT)
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   #include <botan/bigint.h>
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#endif
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namespace Botan_Tests {
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namespace {
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/*
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* Test the test framework :)
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*/
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class Test_Tests final : public Test {
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   public:
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      std::vector<Test::Result> run() override {
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         /*
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         Notation here is confusing. Idea is the result is the actual
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         result of the test. The test_result is the result that is the
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         testcase, and should typically be in a failure mode.
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         */
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         Test::Result result("Test Framework");
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         // Test a few success corner cases first
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         const std::string testcase_name = "Failing Test";
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         // NOLINTNEXTLINE(hicpp-exception-baseclass)
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         result.test_throws("throws pi(-ish)", []() { throw 22.0 / 7; });
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         // Test expected failure cases
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_throws("doesn't throw", []() {});
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            verify_failure("test_throws 1", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_failure("explicitly reported failure", std::vector<uint8_t>());
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            verify_failure("explicit failure", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_failure("explicitly reported failure", "test error");
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            verify_failure("explicit failure", result, test_result);
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         }
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         { verify_failure("explicit failure", result, Test::Result::Failure(testcase_name, "failure")); }
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         {
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            Test::Result test_result(testcase_name);
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            std::vector<uint8_t> vec1(5);
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            std::vector<uint8_t> vec2(3, 9);
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            test_result.test_bin_eq("test vectors equal", vec1, vec2);
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            verify_failure("test vectors equal", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            std::vector<uint8_t> vec1(5);
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            std::vector<uint8_t> vec2(5);
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            test_result.test_bin_ne("test vectors not equal", vec1, vec2);
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            verify_failure("test vectors equal", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            const size_t x = 5;
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            const size_t y = 6;
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            test_result.test_sz_eq("test ints equal", x, y);
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            verify_failure("test ints equal", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            const size_t x = 5;
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            const size_t y = 5;
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            test_result.test_sz_ne("test ints not equal", x, y);
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            verify_failure("test ints not equal", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_str_not_empty("empty", "");
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            verify_failure("test_str_not_empty", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_sz_lt("not less", 5, 5);
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            verify_failure("test_lt", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_sz_lte("not lte", 6, 5);
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            verify_failure("test_lte", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_sz_gte("not gte", 5, 6);
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            verify_failure("test_gte", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_str_ne("string ne", "foo", "foo");
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            verify_failure("test_ne", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_rc_ok("test_func", -1);
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            verify_failure("test_rc_ok", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_rc("test_func", 0, 5);
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            verify_failure("test_rc", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_rc_fail("test_func", "testing", 0);
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            verify_failure("test_rc_fail", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_throws(
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               "test_throws", "expected msg", []() { throw std::runtime_error("not the message"); });
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            verify_failure("test_throws 2", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_throws("test_throws", "expected msg", []() {
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               // NOLINTNEXTLINE(hicpp-exception-baseclass)
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               throw std::string("not even a std::exception");
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            });
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            verify_failure("test_throws 3", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_throws("test_throws", "expected msg", []() { ; });
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            verify_failure("test_throws 4", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_throws<std::invalid_argument>(
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               "test_throws", "expected msg", []() { throw std::runtime_error("expected msg"); });
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            verify_failure("test_throws 5", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_throws<std::invalid_argument>("test_throws",
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                                                           []() { throw std::runtime_error("expected msg"); });
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            verify_failure("test_throws 6", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            test_result.test_no_throw("test_no_throw", []() { throw std::runtime_error("boom!"); });
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            verify_failure("test_throws 7", result, test_result);
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         }
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#if defined(BOTAN_HAS_BIGINT)
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         {
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            Test::Result test_result(testcase_name);
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            const auto x = Botan::BigInt::from_word(5);
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            const auto y = Botan::BigInt::from_word(6);
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            test_result.test_bn_eq("test ints equal", x, y);
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            verify_failure("test ints equal", result, test_result);
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         }
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         {
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            Test::Result test_result(testcase_name);
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            const auto x = Botan::BigInt::from_word(5);
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            const auto y = Botan::BigInt::from_word(5);
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            test_result.test_bn_ne("test ints not equal", x, y);
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            verify_failure("test ints not equal", result, test_result);
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         }
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#endif
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         return {result, test_testsuite_rng()};
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      }
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   private:
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      static Test::Result test_testsuite_rng() {
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         Test::Result result("Testsuite_RNG");
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         size_t histogram[256] = {0};
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         const size_t RUNS = 1000;
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         auto rng = Test::new_rng(__func__);
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         for(size_t i = 0; i != 256 * RUNS; ++i) {
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            histogram[rng->next_byte()] += 1;
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         }
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         for(const size_t count : histogram) {
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            if(count < RUNS / 2 || count > RUNS * 2) {
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               result.test_failure("Testsuite_RNG produced non-uniform output");
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            } else {
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               result.test_success("Testsuite_RNG seemed roughly uniform");
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            }
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         }
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         return result;
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      }
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      static void verify_failure(const std::string& what, Test::Result& result, const Test::Result& test_result) {
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         if(test_result.tests_failed() > 0) {
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            result.test_success("Got expected failure for " + what);
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            const std::string result_str = test_result.result_string();
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            result.test_is_true("result string contains FAIL", result_str.find("FAIL") != std::string::npos);
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         } else {
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            result.test_failure("Expected test to fail for " + what);
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         }
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      }
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};
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BOTAN_REGISTER_TEST("utils", "testcode", Test_Tests);
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}  // namespace
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}  // namespace Botan_Tests
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