test_sources = [
	'conformance_burntsushi_invalid.cpp',
	'conformance_burntsushi_valid.cpp',
	'conformance_iarna_invalid.cpp',
	'conformance_iarna_valid.cpp',
	'impl_toml.cpp',
	'impl_catch2.cpp',
	'tests.cpp',
	'parsing_floats.cpp',
	'parsing_arrays.cpp',
	'parsing_booleans.cpp',
	'parsing_comments.cpp',
	'parsing_dates_and_times.cpp',
	'parsing_integers.cpp',
	'parsing_key_value_pairs.cpp',
	'parsing_spec_example.cpp',
	'parsing_strings.cpp',
	'parsing_tables.cpp',
	'manipulating_arrays.cpp',
	'manipulating_tables.cpp',
	'manipulating_values.cpp',
	'unicode.cpp',
	'user_feedback.cpp',
	'windows_compat.cpp'
]

#######################################################################################################################
# fast math check
#######################################################################################################################

compiler_supports_fast_math_args = []
if compiler.get_id() == 'gcc' or compiler.get_id() == 'clang'
	compiler_supports_fast_math_args += '-ffast-math'
	compiler_supports_fast_math_args += '-ffp-contract=fast'
elif compiler.get_id() == 'msvc' or compiler.get_id() == 'intel-cl'
	compiler_supports_fast_math_args += '/fp:fast'
endif
compiler_supports_fast_math = compiler.links('''
	#include <cmath>
	#include <iostream>
	int main()
	{
		std::cout << std::exp2(2.0) << std::pow(2.0, 3.0) << "\n";
		return 0;
	}
	''',
	name : 'supports fast-math',
	args : compiler_supports_fast_math_args
)

#######################################################################################################################
# do the thing!
#######################################################################################################################

fast_math_modes = [ false, true ]
exception_modes = [ true, false ]
unreleased_feature_modes = [ false, true ]
cpp20_modes = [ false, true ]
test_executables = []
counter = 0

foreach cpp20 : cpp20_modes
	if cpp20 and not compiler_supports_cpp20
		continue
	endif
	foreach unrel : unreleased_feature_modes
		foreach fast_math : fast_math_modes
			if fast_math and not compiler_supports_fast_math
				continue
			endif
			foreach exceptions : exception_modes

				test_name = ''
				test_overrides = []
				test_overrides += overrides
				test_args = []
				test_args += additional_arguments

				if cpp20
					test_name = 'cpp20'
					test_overrides += 'cpp_std=none'
					test_args += compiler_supports_cpp20_args
					if compiler_supports_char8
						test_args += compiler_supports_char8_args
					endif
				else
					test_name = 'cpp17'
				endif

				if exceptions
					test_overrides += 'cpp_eh=default'
					test_args += '-DSHOULD_HAVE_EXCEPTIONS=1'
					if is_windows
						test_args += '-D_HAS_EXCEPTIONS=1'
					endif
				else
					test_name = test_name + '_noexcept'
					test_overrides += 'cpp_eh=none'
					test_args += '-DSHOULD_HAVE_EXCEPTIONS=0'
					if is_windows
						test_args += '-D_HAS_EXCEPTIONS=0'
					endif
				endif

				if fast_math
					test_name = test_name + '_fastmath'
					test_args += compiler_supports_fast_math_args
				endif

				if compiler_supports_float16 or compiler_supports_fp16
					if compiler_supports_fp16
						test_args += '-DSHOULD_HAVE_FP16=1'
					endif
					if compiler_supports_float16
						test_args += '-DSHOULD_HAVE_FLOAT16=1'
					endif
				endif
				if compiler_supports_int128
					test_args += '-DSHOULD_HAVE_INT128=1'
				endif
				if compiler_supports_float128
					test_args += '-DSHOULD_HAVE_FLOAT128=1'
				endif

				if unrel
					test_name = test_name + '_unrel'
					test_args += '-DTOML_UNRELEASED_FEATURES=1'
				else
					test_args += '-DTOML_UNRELEASED_FEATURES=0'
				endif

				if counter % 6 == 3
					test_args += '-DTOML_HEADER_ONLY=1'
				endif
				if counter % 2 == 1
					test_args += '-DUSE_SINGLE_HEADER=1'
				endif
				if counter % 4 == 2 and exceptions
					test_args += '-DUSE_TARTANLLAMA_OPTIONAL=1'
					test_name = test_name + '_tlopt'
				endif
				
				test_executables += [[
					test_name,
					executable(
						test_name,
						test_sources,
						include_directories : include_dirs,
						cpp_args : test_args,
						override_options : test_overrides
					)
				]]

				counter = counter + 1

			endforeach # exceptions
		endforeach # fast_math
	endforeach # strict
endforeach # cpp20

locales = [
	'C',
	'en_US.utf8',
	'ja_JP.utf8',
	'it_IT.utf8',
	'tr_TR.utf8',
	'fi_FI.utf8',
	'fr_FR.utf8',
	'zh_CN.utf8',
	'de_DE.utf8'
]

foreach executable : test_executables
	foreach locale : locales
		test(
			executable[0] + ' (' + locale + ')', executable[1],
			env : ['LC_ALL=' + locale],
			workdir : meson.source_root() / 'tests'
		)
	endforeach
endforeach