Refactored redirections and hooks
This commit is contained in:
parent
221df82a12
commit
a7d5ecf69c
8 changed files with 401 additions and 331 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -13,6 +13,7 @@
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!*.m
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!*.cc
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!*.h
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!*.hxx
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!*.rst
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!*.po
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!*.in
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@ -213,6 +213,11 @@ set(INTERFACE_FILES
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include/criterion/internal/preprocess.h
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include/criterion/internal/theories.h
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include/criterion/internal/parameterized.h
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include/criterion/internal/stdio_filebuf.hxx
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include/criterion/internal/stream.hxx
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include/criterion/internal/hooks.h
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include/criterion/internal/redirect.h
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include/criterion/internal/stdio_filebuf.hxx
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)
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# Generate the configure file
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@ -24,8 +24,7 @@
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#ifndef CRITERION_HOOKS_H_
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# define CRITERION_HOOKS_H_
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# include "internal/common.h"
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# include "types.h"
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# include "internal/hooks.h"
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typedef enum {
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PRE_ALL,
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@ -43,57 +42,6 @@ typedef enum {
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typedef void (*f_report_hook)();
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# define CR_HOOK_IDENTIFIER_(Suffix) CR_HOOK_IDENTIFIER__(__LINE__, Suffix)
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# define CR_HOOK_IDENTIFIER__(Line, Suffix) CR_HOOK_IDENTIFIER___(Line, Suffix)
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# define CR_HOOK_IDENTIFIER___(Line, Suffix) hook_l ## Line ## _ ## Suffix
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# ifdef __cplusplus
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# define CR_HOOK_PROTOTYPE_ \
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extern "C" void CR_HOOK_IDENTIFIER_(impl)
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# else
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# define CR_HOOK_PROTOTYPE_ \
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void CR_HOOK_IDENTIFIER_(impl)
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# endif
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// Section abbreviations
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# define CR_HOOK_SECTION_PRE_ALL cr_pra
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# define CR_HOOK_SECTION_PRE_SUITE cr_prs
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# define CR_HOOK_SECTION_PRE_INIT cr_pri
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# define CR_HOOK_SECTION_PRE_TEST cr_prt
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# define CR_HOOK_SECTION_ASSERT cr_ast
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# define CR_HOOK_SECTION_THEORY_FAIL cr_thf
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# define CR_HOOK_SECTION_TEST_CRASH cr_tsc
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# define CR_HOOK_SECTION_POST_TEST cr_pot
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# define CR_HOOK_SECTION_POST_FINI cr_pof
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# define CR_HOOK_SECTION_POST_SUITE cr_pos
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# define CR_HOOK_SECTION_POST_ALL cr_poa
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# define CR_HOOK_SECTION(Kind) CR_HOOK_SECTION_ ## Kind
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# define CR_HOOK_SECTION_STRINGIFY__(Sec) #Sec
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# define CR_HOOK_SECTION_STRINGIFY_(Sec) CR_HOOK_SECTION_STRINGIFY__(Sec)
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# define CR_HOOK_SECTION_STRINGIFY(Kind) CR_HOOK_SECTION_STRINGIFY_(CR_HOOK_SECTION(Kind))
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# define CR_HOOK_PARAM_TYPE_PRE_ALL struct criterion_test_set *
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# define CR_HOOK_PARAM_TYPE_PRE_SUITE struct criterion_suite_set *
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# define CR_HOOK_PARAM_TYPE_PRE_INIT struct criterion_test *
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# define CR_HOOK_PARAM_TYPE_PRE_TEST struct criterion_test *
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# define CR_HOOK_PARAM_TYPE_ASSERT struct criterion_assert_stats *
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# define CR_HOOK_PARAM_TYPE_THEORY_FAIL struct criterion_theory_stats *
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# define CR_HOOK_PARAM_TYPE_TEST_CRASH struct criterion_test_stats *
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# define CR_HOOK_PARAM_TYPE_POST_TEST struct criterion_test_stats *
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# define CR_HOOK_PARAM_TYPE_POST_FINI struct criterion_test_stats *
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# define CR_HOOK_PARAM_TYPE_POST_SUITE struct criterion_suite_stats *
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# define CR_HOOK_PARAM_TYPE_POST_ALL struct criterion_global_stats *
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# define CR_HOOK_PARAM_TYPE(Kind) CR_HOOK_PARAM_TYPE_ ## Kind
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# define ReportHook(Kind) \
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CR_HOOK_PROTOTYPE_(CR_HOOK_PARAM_TYPE(Kind)); \
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CR_SECTION_(CR_HOOK_SECTION_STRINGIFY(Kind)) \
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f_report_hook CR_HOOK_IDENTIFIER_(func) = \
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(f_report_hook) CR_HOOK_IDENTIFIER_(impl) \
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CR_SECTION_SUFFIX_; \
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CR_HOOK_PROTOTYPE_
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# define ReportHook(Kind) CR_REPORT_HOOK_IMPL(Kind)
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#endif /* !CRITERION_HOOKS_H_ */
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84
include/criterion/internal/hooks.h
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84
include/criterion/internal/hooks.h
Normal file
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@ -0,0 +1,84 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright © 2015 Franklin "Snaipe" Mathieu <http://snai.pe/>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef CRITERION_INTERNAL_HOOKS_H_
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# define CRITERION_INTERNAL_HOOKS_H_
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# include "common.h"
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# include "../types.h"
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# define CR_HOOK_IDENTIFIER_(Suffix) CR_HOOK_IDENTIFIER__(__LINE__, Suffix)
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# define CR_HOOK_IDENTIFIER__(Line, Suffix) CR_HOOK_IDENTIFIER___(Line, Suffix)
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# define CR_HOOK_IDENTIFIER___(Line, Suffix) hook_l ## Line ## _ ## Suffix
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# ifdef __cplusplus
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# define CR_HOOK_PROTOTYPE_ \
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extern "C" void CR_HOOK_IDENTIFIER_(impl)
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# else
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# define CR_HOOK_PROTOTYPE_ \
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void CR_HOOK_IDENTIFIER_(impl)
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# endif
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// Section abbreviations
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# define CR_HOOK_SECTION_PRE_ALL cr_pra
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# define CR_HOOK_SECTION_PRE_SUITE cr_prs
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# define CR_HOOK_SECTION_PRE_INIT cr_pri
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# define CR_HOOK_SECTION_PRE_TEST cr_prt
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# define CR_HOOK_SECTION_ASSERT cr_ast
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# define CR_HOOK_SECTION_THEORY_FAIL cr_thf
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# define CR_HOOK_SECTION_TEST_CRASH cr_tsc
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# define CR_HOOK_SECTION_POST_TEST cr_pot
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# define CR_HOOK_SECTION_POST_FINI cr_pof
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# define CR_HOOK_SECTION_POST_SUITE cr_pos
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# define CR_HOOK_SECTION_POST_ALL cr_poa
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# define CR_HOOK_SECTION(Kind) CR_HOOK_SECTION_ ## Kind
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# define CR_HOOK_SECTION_STRINGIFY__(Sec) #Sec
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# define CR_HOOK_SECTION_STRINGIFY_(Sec) CR_HOOK_SECTION_STRINGIFY__(Sec)
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# define CR_HOOK_SECTION_STRINGIFY(Kind) CR_HOOK_SECTION_STRINGIFY_(CR_HOOK_SECTION(Kind))
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# define CR_HOOK_PARAM_TYPE_PRE_ALL struct criterion_test_set *
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# define CR_HOOK_PARAM_TYPE_PRE_SUITE struct criterion_suite_set *
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# define CR_HOOK_PARAM_TYPE_PRE_INIT struct criterion_test *
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# define CR_HOOK_PARAM_TYPE_PRE_TEST struct criterion_test *
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# define CR_HOOK_PARAM_TYPE_ASSERT struct criterion_assert_stats *
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# define CR_HOOK_PARAM_TYPE_THEORY_FAIL struct criterion_theory_stats *
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# define CR_HOOK_PARAM_TYPE_TEST_CRASH struct criterion_test_stats *
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# define CR_HOOK_PARAM_TYPE_POST_TEST struct criterion_test_stats *
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# define CR_HOOK_PARAM_TYPE_POST_FINI struct criterion_test_stats *
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# define CR_HOOK_PARAM_TYPE_POST_SUITE struct criterion_suite_stats *
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# define CR_HOOK_PARAM_TYPE_POST_ALL struct criterion_global_stats *
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# define CR_HOOK_PARAM_TYPE(Kind) CR_HOOK_PARAM_TYPE_ ## Kind
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# define CR_REPORT_HOOK_IMPL(Kind) \
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CR_HOOK_PROTOTYPE_(CR_HOOK_PARAM_TYPE(Kind)); \
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CR_SECTION_(CR_HOOK_SECTION_STRINGIFY(Kind)) \
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f_report_hook CR_HOOK_IDENTIFIER_(func) = \
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(f_report_hook) CR_HOOK_IDENTIFIER_(impl) \
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CR_SECTION_SUFFIX_; \
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CR_HOOK_PROTOTYPE_
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#endif /* !CRITERION_INTERNAL_HOOKS_H_ */
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48
include/criterion/internal/redirect.h
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48
include/criterion/internal/redirect.h
Normal file
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#ifndef CRITERION_INTERNAL_REDIRECT_H_
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# define CRITERION_INTERNAL_REDIRECT_H_
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# include "common.h"
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# include "assert.h"
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# define cr_assert_redir_op_(Fail, Fun, Op, File, Str, ...) \
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CR_EXPAND(cr_assert_impl( \
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Fail, \
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!(Fun((File), (Str)) Op 0), \
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dummy, \
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CRITERION_ASSERT_MSG_FILE_STR_MATCH, \
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(CR_STR(File), Str), \
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__VA_ARGS__ \
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))
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# define cr_assert_redir_op_va_(Fail, Fun, Op, ...) \
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CR_EXPAND(cr_assert_redir_op_( \
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Fail, \
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Fun, \
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Op, \
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CR_VA_HEAD(__VA_ARGS__), \
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CR_VA_HEAD(CR_VA_TAIL(__VA_ARGS__)), \
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CR_VA_TAIL(CR_VA_TAIL(__VA_ARGS__)) \
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))
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# define cr_assert_redir_f_op_(Fail, Fun, Op, File, Ref, ...) \
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CR_EXPAND(cr_assert_impl( \
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Fail, \
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!(Fun((File), (Ref)) Op 0), \
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dummy, \
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CRITERION_ASSERT_MSG_FILE_MATCH, \
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(CR_STR(File), CR_STR(Ref)), \
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__VA_ARGS__ \
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))
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# define cr_assert_redir_f_op_va_(Fail, Fun, Op, ...) \
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CR_EXPAND(cr_assert_redir_op_( \
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Fail, \
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Fun, \
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Op, \
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CR_VA_HEAD(__VA_ARGS__), \
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CR_VA_HEAD(CR_VA_TAIL(__VA_ARGS__)), \
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CR_VA_TAIL(CR_VA_TAIL(__VA_ARGS__)) \
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))
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#endif /* !CRITERION_INTERNAL_REDIRECT_H_ */
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138
include/criterion/internal/stdio_filebuf.hxx
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138
include/criterion/internal/stdio_filebuf.hxx
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#ifndef CRITERION_INTERNAL_STDIO_FILEBUF_HXX_
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# define CRITERION_INTERNAL_STDIO_FILEBUF_HXX_
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# include <fstream>
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namespace criterion { namespace internal {
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template <typename CharT, typename Traits = std::char_traits<CharT>>
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class stdio_sync_filebuf : public std::basic_streambuf<CharT, Traits> {
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public:
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typedef Traits traits;
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typedef std::basic_filebuf<CharT, Traits> super;
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typedef typename Traits::int_type int_type;
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typedef typename Traits::pos_type pos_type;
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typedef typename Traits::off_type off_type;
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stdio_sync_filebuf(std::FILE *file)
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: file(file)
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, lastchar(Traits::eof())
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{}
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stdio_sync_filebuf(stdio_sync_filebuf&& other) = default;
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stdio_sync_filebuf& operator=(stdio_sync_filebuf&& other) = default;
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void swap(stdio_sync_filebuf& other) {
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super::swap(other);
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std::swap(file, other.file);
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std::swap(lastchar, other.lastchar);
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}
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protected:
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int_type syncgetc();
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int_type syncungetc(int_type);
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int_type syncputc(int_type);
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virtual std::streampos seekoff(std::streamoff off,
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std::ios_base::seekdir dir,
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std::ios_base::openmode = std::ios_base::in | std::ios_base::out) {
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int whence;
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if (dir == std::ios_base::beg)
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whence = SEEK_SET;
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else if (dir == std::ios_base::cur)
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whence = SEEK_CUR;
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else
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whence = SEEK_END;
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if (!fseek(file, off, whence))
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return std::streampos(std::ftell(file));
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return std::streamoff(-1);
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}
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virtual std::streampos seekpos(std::streampos pos,
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std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out) {
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return seekoff(std::streamoff(pos), std::ios_base::beg, mode);
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}
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virtual std::streamsize xsgetn(CharT* s, std::streamsize n);
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virtual std::streamsize xsputn(const CharT* s, std::streamsize n);
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virtual int sync() {
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return std::fflush(file);
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}
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virtual int_type underflow() {
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int_type c = syncgetc();
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return syncungetc(c);
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}
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virtual int_type uflow() {
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return lastchar = syncgetc();
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}
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static inline bool is_eof(int_type c) {
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static const int_type eof = Traits::eof();
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return Traits::eq_int_type(c, eof);
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}
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virtual int_type overflow(int_type c = Traits::eof()) {
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int_type ret;
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if (is_eof(c)) {
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if (std::fflush(file))
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ret = Traits::eof();
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else
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ret = Traits::not_eof(c);
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} else {
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ret = syncputc(c);
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}
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return ret;
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}
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virtual int_type pbackfail(int_type c = Traits::eof()) {
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int_type ret = syncungetc(is_eof(c) && !is_eof(lastchar) ? lastchar : c);
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lastchar = Traits::eof();
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return ret;
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}
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private:
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std::FILE *file;
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bool file_open;
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int_type lastchar;
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};
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template <>
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inline stdio_sync_filebuf<char>::int_type
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stdio_sync_filebuf<char>::syncgetc() {
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return std::getc(file);
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}
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template <>
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inline stdio_sync_filebuf<char>::int_type
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stdio_sync_filebuf<char>::syncungetc(stdio_sync_filebuf<char>::int_type c) {
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return std::ungetc(c, file);
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}
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template <>
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inline stdio_sync_filebuf<char>::int_type
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stdio_sync_filebuf<char>::syncputc(stdio_sync_filebuf<char>::int_type c) {
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return std::putc(c, file);
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}
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template <>
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inline std::streamsize
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stdio_sync_filebuf<char>::xsgetn(char *s, std::streamsize n) {
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std::streamsize res = std::fread(s, 1, n, file);
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lastchar = res > 0 ? traits::to_int_type(s[res - 1]) : traits::eof();
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return res;
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}
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template <>
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inline std::streamsize
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stdio_sync_filebuf<char>::xsputn(const char *s, std::streamsize n) {
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return std::fwrite(s, 1, n, file);
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}
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}}
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#endif /* !CRITERION_INTERNAL_STDIO_FILEBUF_HXX_ */
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114
include/criterion/internal/stream.hxx
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114
include/criterion/internal/stream.hxx
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#ifndef CRITERION_INTERNAL_STREAM_HXX_
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# define CRITERION_INTERNAL_STREAM_HXX_
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# include <fstream>
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# include <cstdio>
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# include <memory>
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# include "stdio_filebuf.hxx"
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namespace criterion { namespace internal {
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template <typename CharT, typename Super>
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class stream_mixin : public Super {
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public:
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stream_mixin(FILE* f)
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: Super()
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, fbuf(new stdio_sync_filebuf<CharT>(f))
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, file(f)
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{
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std::ios::rdbuf(&*fbuf);
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}
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stream_mixin(const stream_mixin& other) = delete;
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stream_mixin& operator=(const stream_mixin& other) = delete;
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stream_mixin(stream_mixin&& other) :
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fbuf(std::move(other.fbuf)),
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file(std::move(other.file))
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{}
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stream_mixin& operator=(stream_mixin&& other) {
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fbuf = std::move(other.fbuf);
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file = std::move(other.file);
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}
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void close(void) {
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Super::flush();
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Super::close();
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std::fclose(file);
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}
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private:
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std::shared_ptr<stdio_sync_filebuf<CharT>> fbuf;
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std::FILE* file;
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};
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template <typename CharT>
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using ofstream_mixin = stream_mixin<CharT, std::basic_ofstream<CharT>>;
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template <typename CharT>
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using ifstream_mixin = stream_mixin<CharT, std::basic_ifstream<CharT>>;
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template <typename CharT>
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using fstream_mixin = stream_mixin<CharT, std::basic_fstream<CharT>>;
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template <typename CharT>
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class basic_ofstream : public ofstream_mixin<CharT> {
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public:
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basic_ofstream(FILE* f)
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: ofstream_mixin<CharT>(f)
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{}
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basic_ofstream(basic_ofstream&& other)
|
||||
: ofstream_mixin<CharT>(std::move(other))
|
||||
{}
|
||||
};
|
||||
|
||||
template <typename CharT>
|
||||
class basic_ifstream : public ifstream_mixin<CharT> {
|
||||
public:
|
||||
basic_ifstream(FILE* f)
|
||||
: ifstream_mixin<CharT>(f)
|
||||
{}
|
||||
|
||||
basic_ifstream(basic_ifstream&& other)
|
||||
: ifstream_mixin<CharT>(std::move(other))
|
||||
{}
|
||||
};
|
||||
|
||||
template <typename CharT>
|
||||
class basic_fstream : public fstream_mixin<CharT> {
|
||||
public:
|
||||
basic_fstream(FILE* f)
|
||||
: fstream_mixin<CharT>(f)
|
||||
{}
|
||||
|
||||
basic_fstream(basic_fstream&& other)
|
||||
: fstream_mixin<CharT>(std::move(other))
|
||||
{}
|
||||
};
|
||||
|
||||
struct get_redirected_out_stream_ {
|
||||
static inline basic_ofstream<char>& call(std::FILE* f) {
|
||||
static std::unique_ptr<basic_ofstream<char>> stream;
|
||||
|
||||
if (!stream)
|
||||
stream.reset(new basic_ofstream<char>(f));
|
||||
return *stream;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
struct get_redirected_in_stream_ {
|
||||
static inline basic_ifstream<char>& call(std::FILE* f) {
|
||||
static std::unique_ptr<basic_ifstream<char>> stream;
|
||||
if (!stream)
|
||||
stream.reset(new basic_ifstream<char>(f));
|
||||
return *stream;
|
||||
}
|
||||
};
|
||||
|
||||
}}
|
||||
|
||||
#endif /* !CRITERION_INTERNAL_STREAM_HXX_ */
|
|
@ -25,12 +25,10 @@
|
|||
# define CRITERION_REDIRECT_H_
|
||||
|
||||
# include "internal/common.h"
|
||||
# include "assert.h"
|
||||
# include "internal/redirect.h"
|
||||
|
||||
# ifdef __cplusplus
|
||||
# include <cstdio>
|
||||
# include <memory>
|
||||
# include <fstream>
|
||||
# else
|
||||
# include <stdio.h>
|
||||
# endif
|
||||
|
@ -52,46 +50,6 @@ CR_API CR_STDN FILE *cr_mock_file_size(size_t max_size);
|
|||
|
||||
CR_END_C_API
|
||||
|
||||
# define cr_assert_redir_op_(Fail, Fun, Op, File, Str, ...) \
|
||||
CR_EXPAND(cr_assert_impl( \
|
||||
Fail, \
|
||||
!(Fun((File), (Str)) Op 0), \
|
||||
dummy, \
|
||||
CRITERION_ASSERT_MSG_FILE_STR_MATCH, \
|
||||
(CR_STR(File), Str), \
|
||||
__VA_ARGS__ \
|
||||
))
|
||||
|
||||
# define cr_assert_redir_op_va_(Fail, Fun, Op, ...) \
|
||||
CR_EXPAND(cr_assert_redir_op_( \
|
||||
Fail, \
|
||||
Fun, \
|
||||
Op, \
|
||||
CR_VA_HEAD(__VA_ARGS__), \
|
||||
CR_VA_HEAD(CR_VA_TAIL(__VA_ARGS__)), \
|
||||
CR_VA_TAIL(CR_VA_TAIL(__VA_ARGS__)) \
|
||||
))
|
||||
|
||||
# define cr_assert_redir_f_op_(Fail, Fun, Op, File, Ref, ...) \
|
||||
CR_EXPAND(cr_assert_impl( \
|
||||
Fail, \
|
||||
!(Fun((File), (Ref)) Op 0), \
|
||||
dummy, \
|
||||
CRITERION_ASSERT_MSG_FILE_MATCH, \
|
||||
(CR_STR(File), CR_STR(Ref)), \
|
||||
__VA_ARGS__ \
|
||||
))
|
||||
|
||||
# define cr_assert_redir_f_op_va_(Fail, Fun, Op, ...) \
|
||||
CR_EXPAND(cr_assert_redir_op_( \
|
||||
Fail, \
|
||||
Fun, \
|
||||
Op, \
|
||||
CR_VA_HEAD(__VA_ARGS__), \
|
||||
CR_VA_HEAD(CR_VA_TAIL(__VA_ARGS__)), \
|
||||
CR_VA_TAIL(CR_VA_TAIL(__VA_ARGS__)) \
|
||||
))
|
||||
|
||||
# define cr_assert_file_contents_eq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_ABORT_, cr_file_match_str, ==, __VA_ARGS__))
|
||||
# define cr_expect_file_contents_eq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_CONTINUES_, cr_file_match_str, ==, __VA_ARGS__))
|
||||
|
||||
|
@ -129,250 +87,24 @@ CR_END_C_API
|
|||
# define cr_expect_stderr_neq(...) CR_EXPAND(cr_assert_redir_f_op_va_(CR_FAIL_CONTINUES_, cr_file_match_file, !=, cr_get_redirected_stderr(), __VA_ARGS__))
|
||||
|
||||
# ifdef __cplusplus
|
||||
# include "internal/stream.hxx"
|
||||
|
||||
namespace criterion {
|
||||
|
||||
template <typename CharT, typename Traits = std::char_traits<CharT>>
|
||||
class stdio_sync_filebuf : public std::basic_streambuf<CharT, Traits> {
|
||||
public:
|
||||
typedef Traits traits;
|
||||
typedef std::basic_filebuf<CharT, Traits> super;
|
||||
typedef typename Traits::int_type int_type;
|
||||
typedef typename Traits::pos_type pos_type;
|
||||
typedef typename Traits::off_type off_type;
|
||||
|
||||
stdio_sync_filebuf(std::FILE *file)
|
||||
: file(file)
|
||||
, lastchar(Traits::eof())
|
||||
{}
|
||||
|
||||
stdio_sync_filebuf(stdio_sync_filebuf&& other) = default;
|
||||
stdio_sync_filebuf& operator=(stdio_sync_filebuf&& other) = default;
|
||||
|
||||
void swap(stdio_sync_filebuf& other) {
|
||||
super::swap(other);
|
||||
std::swap(file, other.file);
|
||||
std::swap(lastchar, other.lastchar);
|
||||
}
|
||||
|
||||
protected:
|
||||
int_type syncgetc();
|
||||
int_type syncungetc(int_type);
|
||||
int_type syncputc(int_type);
|
||||
|
||||
virtual std::streampos seekoff(std::streamoff off,
|
||||
std::ios_base::seekdir dir,
|
||||
std::ios_base::openmode = std::ios_base::in | std::ios_base::out) {
|
||||
|
||||
int whence;
|
||||
if (dir == std::ios_base::beg)
|
||||
whence = SEEK_SET;
|
||||
else if (dir == std::ios_base::cur)
|
||||
whence = SEEK_CUR;
|
||||
else
|
||||
whence = SEEK_END;
|
||||
|
||||
if (!fseek(file, off, whence))
|
||||
return std::streampos(std::ftell(file));
|
||||
return std::streamoff(-1);
|
||||
}
|
||||
|
||||
virtual std::streampos seekpos(std::streampos pos,
|
||||
std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out) {
|
||||
return seekoff(std::streamoff(pos), std::ios_base::beg, mode);
|
||||
}
|
||||
|
||||
virtual std::streamsize xsgetn(CharT* s, std::streamsize n);
|
||||
virtual std::streamsize xsputn(const CharT* s, std::streamsize n);
|
||||
|
||||
virtual int sync() {
|
||||
return std::fflush(file);
|
||||
}
|
||||
|
||||
virtual int_type underflow() {
|
||||
int_type c = syncgetc();
|
||||
return syncungetc(c);
|
||||
}
|
||||
|
||||
virtual int_type uflow() {
|
||||
return lastchar = syncgetc();
|
||||
}
|
||||
|
||||
static inline bool is_eof(int_type c) {
|
||||
static const int_type eof = Traits::eof();
|
||||
return Traits::eq_int_type(c, eof);
|
||||
}
|
||||
|
||||
virtual int_type overflow(int_type c = Traits::eof()) {
|
||||
int_type ret;
|
||||
if (is_eof(c)) {
|
||||
if (std::fflush(file))
|
||||
ret = Traits::eof();
|
||||
else
|
||||
ret = Traits::not_eof(c);
|
||||
} else {
|
||||
ret = syncputc(c);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
virtual int_type pbackfail(int_type c = Traits::eof()) {
|
||||
int_type ret = syncungetc(is_eof(c) && !is_eof(lastchar) ? lastchar : c);
|
||||
lastchar = Traits::eof();
|
||||
return ret;
|
||||
}
|
||||
|
||||
private:
|
||||
std::FILE *file;
|
||||
bool file_open;
|
||||
int_type lastchar;
|
||||
};
|
||||
|
||||
template <>
|
||||
inline stdio_sync_filebuf<char>::int_type
|
||||
stdio_sync_filebuf<char>::syncgetc() {
|
||||
return std::getc(file);
|
||||
}
|
||||
|
||||
template <>
|
||||
inline stdio_sync_filebuf<char>::int_type
|
||||
stdio_sync_filebuf<char>::syncungetc(stdio_sync_filebuf<char>::int_type c) {
|
||||
return std::ungetc(c, file);
|
||||
}
|
||||
|
||||
template <>
|
||||
inline stdio_sync_filebuf<char>::int_type
|
||||
stdio_sync_filebuf<char>::syncputc(stdio_sync_filebuf<char>::int_type c) {
|
||||
return std::putc(c, file);
|
||||
}
|
||||
|
||||
template <>
|
||||
inline std::streamsize
|
||||
stdio_sync_filebuf<char>::xsgetn(char *s, std::streamsize n) {
|
||||
std::streamsize res = std::fread(s, 1, n, file);
|
||||
lastchar = res > 0 ? traits::to_int_type(s[res - 1]) : traits::eof();
|
||||
return res;
|
||||
}
|
||||
|
||||
template <>
|
||||
inline std::streamsize
|
||||
stdio_sync_filebuf<char>::xsputn(const char *s, std::streamsize n) {
|
||||
return std::fwrite(s, 1, n, file);
|
||||
}
|
||||
|
||||
template <typename CharT, typename Super>
|
||||
class stream_mixin : public Super {
|
||||
public:
|
||||
stream_mixin(FILE* f)
|
||||
: Super()
|
||||
, fbuf(new stdio_sync_filebuf<CharT>(f))
|
||||
, file(f)
|
||||
{
|
||||
std::ios::rdbuf(&*fbuf);
|
||||
}
|
||||
|
||||
stream_mixin(const stream_mixin& other) = delete;
|
||||
stream_mixin& operator=(const stream_mixin& other) = delete;
|
||||
|
||||
stream_mixin(stream_mixin&& other) :
|
||||
fbuf(std::move(other.fbuf)),
|
||||
file(std::move(other.file))
|
||||
{}
|
||||
|
||||
stream_mixin& operator=(stream_mixin&& other) {
|
||||
fbuf = std::move(other.fbuf);
|
||||
file = std::move(other.file);
|
||||
}
|
||||
|
||||
void close(void) {
|
||||
Super::flush();
|
||||
Super::close();
|
||||
std::fclose(file);
|
||||
}
|
||||
|
||||
private:
|
||||
std::shared_ptr<stdio_sync_filebuf<CharT>> fbuf;
|
||||
std::FILE* file;
|
||||
};
|
||||
|
||||
template <typename CharT>
|
||||
using ofstream_mixin = stream_mixin<CharT, std::basic_ofstream<CharT>>;
|
||||
|
||||
template <typename CharT>
|
||||
using ifstream_mixin = stream_mixin<CharT, std::basic_ifstream<CharT>>;
|
||||
|
||||
template <typename CharT>
|
||||
using fstream_mixin = stream_mixin<CharT, std::basic_fstream<CharT>>;
|
||||
|
||||
template <typename CharT>
|
||||
class basic_ofstream : public ofstream_mixin<CharT> {
|
||||
public:
|
||||
basic_ofstream(FILE* f)
|
||||
: ofstream_mixin<CharT>(f)
|
||||
{}
|
||||
|
||||
basic_ofstream(basic_ofstream&& other)
|
||||
: ofstream_mixin<CharT>(std::move(other))
|
||||
{}
|
||||
};
|
||||
|
||||
template <typename CharT>
|
||||
class basic_ifstream : public ifstream_mixin<CharT> {
|
||||
public:
|
||||
basic_ifstream(FILE* f)
|
||||
: ifstream_mixin<CharT>(f)
|
||||
{}
|
||||
|
||||
basic_ifstream(basic_ifstream&& other)
|
||||
: ifstream_mixin<CharT>(std::move(other))
|
||||
{}
|
||||
};
|
||||
|
||||
template <typename CharT>
|
||||
class basic_fstream : public fstream_mixin<CharT> {
|
||||
public:
|
||||
basic_fstream(FILE* f)
|
||||
: fstream_mixin<CharT>(f)
|
||||
{}
|
||||
|
||||
basic_fstream(basic_fstream&& other)
|
||||
: fstream_mixin<CharT>(std::move(other))
|
||||
{}
|
||||
};
|
||||
|
||||
using ofstream = basic_ofstream<char>;
|
||||
using ifstream = basic_ifstream<char>;
|
||||
using fstream = basic_fstream<char>;
|
||||
|
||||
struct get_redirected_out_stream_ {
|
||||
static inline ofstream& call(std::FILE* f) {
|
||||
static std::unique_ptr<ofstream> stream;
|
||||
|
||||
if (!stream)
|
||||
stream.reset(new ofstream(f));
|
||||
return *stream;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
struct get_redirected_in_stream_ {
|
||||
static inline ifstream& call(std::FILE* f) {
|
||||
static std::unique_ptr<ifstream> stream;
|
||||
if (!stream)
|
||||
stream.reset(new ifstream(f));
|
||||
return *stream;
|
||||
}
|
||||
};
|
||||
using ofstream = internal::basic_ofstream<char>;
|
||||
using ifstream = internal::basic_ifstream<char>;
|
||||
using fstream = internal::basic_fstream<char>;
|
||||
|
||||
static inline ofstream& get_redirected_cin(void) {
|
||||
return get_redirected_out_stream_::call(cr_get_redirected_stdin());
|
||||
return internal::get_redirected_out_stream_::call(cr_get_redirected_stdin());
|
||||
}
|
||||
|
||||
static inline ifstream& get_redirected_cout(void) {
|
||||
return get_redirected_in_stream_::call(cr_get_redirected_stdout());
|
||||
return internal::get_redirected_in_stream_::call(cr_get_redirected_stdout());
|
||||
}
|
||||
|
||||
static inline ifstream& get_redirected_cerr(void) {
|
||||
return get_redirected_in_stream_::call(cr_get_redirected_stderr());
|
||||
return internal::get_redirected_in_stream_::call(cr_get_redirected_stderr());
|
||||
}
|
||||
|
||||
# if __GNUC__ >= 5
|
||||
|
|
Loading…
Add table
Reference in a new issue