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John Bytheway f696ab836b Change random test shuffling technique 
Previously a random test ordering was obtained by applying std::shuffle
to the tests in declaration order.  This has two problems:

- It depends on the declaration order, so the order in which the tests
  will be run will be platform-specific.
- When trying to debug accidental inter-test dependencies, it is helpful
  to be able to find a minimal subset of tests which exhibits the issue.
  However, any change to the set of tests being run will completely
  change the test ordering, making it difficult or impossible to reduce
  the set of tests being run in any reasonably efficient manner.

Therefore, change the randomization approach to resolve both these
issues.

Generate a random value based on the user-provided RNG seed.  Convert
every test case to an integer by hashing a combination of that value
with the test name.  Sort the test cases by this integer.

The test names and RNG are platform-independent, so this should be
consistent across platforms.  Also, removing one test does not change
the integer value associated with the remaining tests, so they remain in
the same order.

To hash, use the FNV-1a hash, except with the basis being our randomly
selected value rather than the fixed basis set in the algorithm.  Cannot
use std::hash, because it is important that the result be
platform-independent.
2020-04-14 12:47:36 +02:00
..
benchmark
include <iterator> in catch_stats.hpp
2020-02-24 19:36:34 +01:00
catch_approx.cpp
Special case Approx(inf) to better follow user expectations
2019-10-04 13:28:43 +02:00
catch_approx.h
Directly set Approx's members in operator()
2018-09-03 10:20:58 +02:00
catch_assertionhandler.cpp
Add support for -fno-exceptions (or equivalent)
2018-09-03 21:08:27 +02:00
catch_assertionhandler.h
Avoid copying StringRef
2018-07-23 14:04:43 +02:00
catch_assertioninfo.h
Actually do what the previous commit claimed to do!
2017-08-09 10:29:05 +01:00
catch_assertionresult.cpp
Remove (mostly) unused overloads of StringRef operator +
2019-09-08 21:01:33 +02:00
catch_assertionresult.h
Fix pointless type mismatch between StringRef and std::string
2017-11-13 12:49:13 +01:00
catch_capture_matchers.cpp
Avoid copying StringRef
2018-07-23 14:04:43 +02:00
catch_capture_matchers.h
Add a matcher that checks exception's message
2019-10-13 20:37:07 +02:00
catch_capture.hpp
Fix compilation error when lambdas are used in assertions
2020-03-19 13:32:45 +01:00
catch_clara.h
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_commandline.cpp
Add command line option 'never' to --wait-for-keypress (#1866)
2020-02-15 20:42:57 +01:00
catch_commandline.h
Changed all .hpp extensions to .h where there is now a corresponding .cpp
2017-09-07 11:24:33 +01:00
catch_common.cpp
Inline SourceLineInfo::empty definition
2019-09-08 18:20:49 +02:00
catch_common.h
Inline SourceLineInfo::empty definition
2019-09-08 18:20:49 +02:00
catch_compiler_capabilities.h
Remove usage of __builtin_constant_p under IBM XL
2020-04-10 20:55:23 +02:00
catch_config.cpp
Make CATCH_BREAK_INTO_DEBUGGER be user-configurable
2020-02-01 17:01:50 +01:00
catch_config.hpp
Make CATCH_BREAK_INTO_DEBUGGER be user-configurable
2020-02-01 17:01:50 +01:00
catch_console_colour.cpp
Some refactorings:
2020-01-25 09:01:04 +01:00
catch_console_colour.h
Add a BrightYellow colour, also use it for reconstructed exprs
2018-02-01 14:58:33 +00:00
catch_context.cpp
Introduce Catch's own RNG based on the PCG family of RNGs
2019-10-07 19:56:23 +02:00
catch_context.h
Suppress false positive from clang-analyzer
2019-10-20 17:27:09 +02:00
catch_debug_console.cpp
Add disabling the use of Android's logging at compile time
2019-09-06 12:44:06 +02:00
catch_debug_console.h
Split writeToDebugConsole out of main path
2017-08-29 13:51:55 +02:00
catch_debugger.cpp
C-header updates
2020-03-28 18:00:42 +01:00
catch_debugger.h
Specialize CATCH_TRAP() for iOS + thumb instruction set combo
2020-02-15 21:45:09 +01:00
catch_decomposer.cpp
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_decomposer.h
Fix stupid (C4800) warning
2019-01-13 19:01:12 +01:00
catch_default_main.hpp
Check for Windows instead of WIN32 for wmain entry point
2020-02-03 09:33:42 +01:00
catch_enforce.cpp
Introduce stubs for throwing specific exception types
2019-06-14 19:13:50 +02:00
catch_enforce.h
Add a test for the internals
2019-08-09 10:50:53 +02:00
catch_enum_values_registry.cpp
Some refactorings:
2020-01-25 09:01:04 +01:00
catch_enum_values_registry.h
Use StringRefs through the enum registration
2019-09-08 14:14:46 +02:00
catch_errno_guard.cpp
Started work on splitting out .cpp files from header files
2017-07-06 22:28:42 +02:00
catch_errno_guard.h
Started work on splitting out .cpp files from header files
2017-07-06 22:28:42 +02:00
catch_exception_translator_registry.cpp
Don't use exception-related std:: functions with -fno-exceptions
2018-12-18 20:19:39 +01:00
catch_exception_translator_registry.h
Refactor: override implies virtual
2018-07-12 14:27:06 +02:00
catch_external_interfaces.h
Provide ConsoleReporter declaration with EXTERNAL_INTERFACES
2017-11-14 20:42:58 +01:00
catch_fatal_condition.cpp
static constexpr: storage class first
2019-08-06 19:17:16 -05:00
catch_fatal_condition.h
Simplify logic selecting between signal handling/SEH/nothing
2018-02-23 14:56:07 +01:00
catch_generators_generic.hpp
Extract FunctionReturnType to catch_meta.hpp
2019-10-28 15:15:13 +01:00
catch_generators_specific.hpp
Enable range generator for floating point types
2019-10-26 20:52:09 +02:00
catch_generators.cpp
Add generic generator modifiers
2019-01-31 10:43:15 +01:00
catch_generators.hpp
Fix forwarding in SingleValueGenerator and generator creation
2019-12-15 20:50:43 +01:00
catch_impl.hpp
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_interfaces_capture.cpp
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_interfaces_capture.h
Various improvements to the benchmarking support
2019-06-06 21:28:56 +02:00
catch_interfaces_config.cpp
Small updates to include directives (#1726)
2019-09-08 14:25:23 +02:00
catch_interfaces_config.h
Make CATCH_BREAK_INTO_DEBUGGER be user-configurable
2020-02-01 17:01:50 +01:00
catch_interfaces_enum_values_registry.h
Use StringRefs through the enum registration
2019-09-08 14:14:46 +02:00
catch_interfaces_exception.cpp
Small updates to include directives (#1726)
2019-09-08 14:25:23 +02:00
catch_interfaces_exception.h
Rework how warning suppression in macros is done
2019-10-27 21:07:21 +01:00
catch_interfaces_generatortracker.h
Redo generator interface
2019-01-31 10:43:06 +01:00
catch_interfaces_registry_hub.cpp
Small updates to include directives (#1726)
2019-09-08 14:25:23 +02:00
catch_interfaces_registry_hub.h
First commit of STRINGIFY_ENUM
2019-04-04 15:55:46 +01:00
catch_interfaces_reporter.cpp
Call listeners before calling reporters
2018-04-07 12:25:03 +02:00
catch_interfaces_reporter.h
Fixes #1766: Catch terminates when parsing invalid test name
2019-10-19 21:14:06 +02:00
catch_interfaces_runner.cpp
Small updates to include directives (#1726)
2019-09-08 14:25:23 +02:00
catch_interfaces_runner.h
Minor cleanup
2017-08-30 15:53:39 +02:00
catch_interfaces_tag_alias_registry.h
Split Option<T> and TagAlias definitions away from the main include path
2017-07-27 11:55:30 +02:00
catch_interfaces_testcase.cpp
Small updates to include directives (#1726)
2019-09-08 14:25:23 +02:00
catch_interfaces_testcase.h
Improve reporting of unmatched filters (#1684)
2019-08-06 20:51:19 +02:00
catch_leak_detector.cpp
Catch::LeakDetector: added cleanup call to destructor
2018-10-18 11:47:21 +02:00
catch_leak_detector.h
Catch::LeakDetector: added cleanup call to destructor
2018-10-18 11:47:21 +02:00
catch_list.cpp
Variables made const-ref.
2020-02-08 14:27:40 +01:00
catch_list.h
fix SEGFAULTs
2019-02-08 10:41:23 +01:00
catch_matchers_exception.cpp
Add a matcher that checks exception's message
2019-10-13 20:37:07 +02:00
catch_matchers_exception.hpp
Remove superfluous includes in exception matchers
2019-10-13 20:49:36 +02:00
catch_matchers_floating.cpp
Cleanup nextafter workaround
2020-02-03 10:05:23 +01:00
catch_matchers_floating.h
Add a Relative Comparison matcher for floating point numbers
2019-10-13 11:56:50 +02:00
catch_matchers_generic.cpp
Add PredicateMatcher that takes an arbitrary predicate functions
2018-04-04 11:14:19 +02:00
catch_matchers_generic.hpp
Fix typos identified by codespell.
2019-04-10 09:42:11 +02:00
catch_matchers_string.cpp
Provide a regex matcher against std::string
2017-11-13 15:35:31 +01:00
catch_matchers_string.h
Provide a regex matcher against std::string
2017-11-13 15:35:31 +01:00
catch_matchers_vector.h
Added a vector approximate matcher
2019-04-20 10:02:17 +02:00
catch_matchers.cpp
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_matchers.h
Fix significant bug with storing composed matchers
2020-02-01 21:06:07 +01:00
catch_message.cpp
Some refactorings:
2020-01-25 09:01:04 +01:00
catch_message.h
Add unscoped info functionality
2019-03-06 22:04:35 +01:00
catch_meta.hpp
Extract FunctionReturnType to catch_meta.hpp
2019-10-28 15:15:13 +01:00
catch_objc_arc.hpp
Conditionally compile clang pragmas
2012-08-16 18:47:41 +01:00
catch_objc.hpp
(Hopefully) Fix Obj-C++ compilation of matchers
2019-08-07 20:35:27 +02:00
catch_option.hpp
General cleanup
2017-07-27 11:32:01 +02:00
catch_output_redirect.cpp
Fix typos identified by codespell.
2019-04-10 09:42:11 +02:00
catch_output_redirect.h
Fix output redirection in failing tests (#1525)
2019-03-02 21:18:48 +01:00
catch_platform.h
Detect MinGW as Windows platform w/o SEH
2018-04-22 18:46:54 +02:00
catch_polyfills.cpp
Add std::isnan polyfill, fixing compilation under Embarcadero
2018-11-17 20:52:18 +01:00
catch_polyfills.hpp
Add std::isnan polyfill, fixing compilation under Embarcadero
2018-11-17 20:52:18 +01:00
catch_preprocessor.hpp
TemplateTests: fix compilation with ICC
2019-10-18 12:35:09 +02:00
catch_random_number_generator.cpp
Introduce Catch's own RNG based on the PCG family of RNGs
2019-10-07 19:56:23 +02:00
catch_random_number_generator.h
Add parenthesis to prevent macro expansions of min/max
2019-10-17 16:40:37 +02:00
catch_reenable_warnings.h
Suppress warnings correctly for Intel compiler
2015-03-04 07:54:35 +00:00
catch_registry_hub.cpp
First commit of STRINGIFY_ENUM
2019-04-04 15:55:46 +01:00
catch_reporter_registrars.hpp
Rework how warning suppression in macros is done
2019-10-27 21:07:21 +01:00
catch_reporter_registry.cpp
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_reporter_registry.h
Sweep out some extra warnings
2017-09-07 17:25:15 +02:00
catch_result_type.cpp
Manual cherry-pick from #1111
2017-12-09 20:17:47 +01:00
catch_result_type.h
Manual cherry-pick from #1111
2017-12-09 20:17:47 +01:00
catch_run_context.cpp
Introduce Catch's own RNG based on the PCG family of RNGs
2019-10-07 19:56:23 +02:00
catch_run_context.h
Introduce Catch's own RNG based on the PCG family of RNGs
2019-10-07 19:56:23 +02:00
catch_section_info.cpp
Deprecated description in SECTION (still accepts it, for now, but doesn't use it anywhere)
2018-06-25 19:04:29 +01:00
catch_section_info.h
Restored description field in SectionInfo for now - but marked it deprecated
2018-06-25 20:18:41 +01:00
catch_section.cpp
Deprecated description in SECTION (still accepts it, for now, but doesn't use it anywhere)
2018-06-25 19:04:29 +01:00
catch_section.h
Rework how warning suppression in macros is done
2019-10-27 21:07:21 +01:00
catch_session.cpp
Some refactorings:
2020-01-25 09:01:04 +01:00
catch_session.h
Use _WIN32 macro for detecting MSVC Windows
2019-07-06 16:55:10 +02:00
catch_singletons.cpp
Added generic singletons facility
2018-08-19 10:34:44 +02:00
catch_singletons.hpp
Added generic singletons facility
2018-08-19 10:34:44 +02:00
catch_startup_exception_registry.cpp
Add support for -fno-exceptions (or equivalent)
2018-09-03 21:08:27 +02:00
catch_startup_exception_registry.h
Made everything used in test case registration noexcept
2017-07-13 08:25:47 +01:00
catch_stream.cpp
Integrate Nonius benchmark into Catch2
2019-06-06 19:33:37 +02:00
catch_stream.h
Forbid copying ReusableStringStream
2019-11-04 00:05:35 +01:00
catch_string_manip.cpp
Add trim for StringRef
2019-09-07 11:31:00 +02:00
catch_string_manip.h
Add trim for StringRef
2019-09-07 11:31:00 +02:00
catch_stringref.cpp
Rework StringRef interface and internals
2019-10-25 13:57:52 +02:00
catch_stringref.h
Rework StringRef interface and internals
2019-10-25 13:57:52 +02:00
catch_suppress_warnings.h
Improve explanation of why -Wparentheses suppression leaks
2019-01-25 21:29:12 +01:00
catch_tag_alias_autoregistrar.cpp
Add support for -fno-exceptions (or equivalent)
2018-09-03 21:08:27 +02:00
catch_tag_alias_autoregistrar.h
Rework how warning suppression in macros is done
2019-10-27 21:07:21 +01:00
catch_tag_alias_registry.cpp
Introduced ReusableStringStream and removed all uses of std::ostringstream from the main path
2017-11-07 18:01:10 +00:00
catch_tag_alias_registry.h
Split Option<T> and TagAlias definitions away from the main include path
2017-07-27 11:55:30 +02:00
catch_tag_alias.cpp
Split Option<T> and TagAlias definitions away from the main include path
2017-07-27 11:55:30 +02:00
catch_tag_alias.h
Split Option<T> and TagAlias definitions away from the main include path
2017-07-27 11:55:30 +02:00
catch_test_case_info.cpp
Make hidden tags behave identically (#1847)
2020-01-31 21:44:06 +01:00
catch_test_case_info.h
Cleanup for performance reasons
2018-03-02 16:24:35 +01:00
catch_test_case_registry_impl.cpp
Change random test shuffling technique
2020-04-14 12:47:36 +02:00
catch_test_case_registry_impl.h
Improve reporting of unmatched filters (#1684)
2019-08-06 20:51:19 +02:00
catch_test_case_tracker.cpp
Some refactorings:
2020-01-25 09:01:04 +01:00
catch_test_case_tracker.h
Ignore leading/trailing whitespace in test/section specs
2019-09-09 14:28:11 +02:00
catch_test_registry.cpp
Add support for -fno-exceptions (or equivalent)
2018-09-03 21:08:27 +02:00
catch_test_registry.h
Rework how warning suppression in macros is done
2019-10-27 21:07:21 +01:00
catch_test_spec_parser.cpp
Fix bug in test spec parser handling of escaping in ORed patterns
2020-04-12 18:48:52 +02:00
catch_test_spec_parser.h
Split [.foo] into [.][foo] when parsing test specs
2019-11-05 23:28:47 +01:00
catch_test_spec.cpp
Fixes #1766: Catch terminates when parsing invalid test name
2019-10-19 21:14:06 +02:00
catch_test_spec.h
Fixes #1766: Catch terminates when parsing invalid test name
2019-10-19 21:14:06 +02:00
catch_text.h
Removed tbc_text_format (superceded by TextFlow)
2017-07-20 23:20:42 +01:00
catch_timer.cpp
ClockEstimate: DivByZero
2019-01-11 11:55:51 +01:00
catch_timer.h
Increased int size for timers to avoid truncations
2017-12-08 15:59:00 +00:00
catch_to_string.hpp
Provide a polyfill over std::to_string
2018-05-09 21:47:42 +02:00
catch_tostring.cpp
Avoid technically UB type punning when determining endianness
2019-10-27 22:07:10 +01:00
catch_tostring.h
Make StringRef's operator std::string explicit
2019-09-08 15:58:10 +02:00
catch_totals.cpp
Changed all .hpp extensions to .h where there is now a corresponding .cpp
2017-09-07 11:24:33 +01:00
catch_totals.h
Add option to warn when no tests ran
2018-02-09 18:49:36 +01:00
catch_uncaught_exceptions.cpp
Remove superfluous comment
2018-02-08 13:09:02 +01:00
catch_uncaught_exceptions.h
Redirect std::uncaught_exception to Catch::uncaught_exception
2018-02-02 15:36:15 +01:00
catch_user_interfaces.h
Introduce a way to intentionally expose interface for use in tests
2017-11-21 11:10:07 +01:00
catch_version.cpp
v2.11.3
2020-03-19 13:50:19 +01:00
catch_version.h
Address results of PVS-Studio static analysis
2017-07-20 00:27:28 +02:00
catch_wildcard_pattern.cpp
Ignore leading/trailing whitespace in test/section specs
2019-09-09 14:28:11 +02:00
catch_wildcard_pattern.h
Ignore leading/trailing whitespace in test/section specs
2019-09-09 14:28:11 +02:00
catch_windows_h_proxy.h
unconditional windows proxy
2017-10-11 14:58:20 +01:00
catch_xmlwriter.cpp
Removed unneeded 'using uchar = unsigned char'
2020-01-24 14:26:22 +01:00
catch_xmlwriter.h
Refactored XMLWriter to provide finer-grained control over formatting
2019-10-29 13:59:18 +01:00