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Add more tests and static asserts and fix the build.

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This commit is contained in:
King_DuckZ 2017-04-12 22:20:33 +01:00
parent b782ebd53c
commit fcb027409d
2 changed files with 53 additions and 13 deletions
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46
test/unit/lexical_cast_test.cpp
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@ -19,9 +19,47 @@
#include "duckhandy/lexical_cast.hpp"
#include <cstdint>
#include <string>
#include <cstddef>
#include <climits>
template <std::size_t C, std::size_t E, bool B=static_cast<bool>(C==E)>
struct CountDigitsDebugger { static constexpr const bool value = true; };
template <std::size_t C, std::size_t E>
struct CountDigitsDebugger<C, E, false> {};
TEST_CASE ("Check string to int conversions", "[s2i][lexical_cast]") {
using dhandy::lexical_cast;
using dhandy::tags::dec;
using dhandy::tags::hex;
using dhandy::tags::bin;
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(0), 1>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(1), 1>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(2), 2>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(3), 2>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(4), 3>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(5), 3>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(6), 3>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(7), 3>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(8), 4>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(9), 4>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(255), 8>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int32_t>::count_digits_bt(256), 9>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<uint32_t>::count_digits_bt(255), 8>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<uint32_t>::count_digits_bt(256), 9>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<uint16_t>::count_digits_bt(255), 8>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<uint16_t>::count_digits_bt(256), 9>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<uint8_t>::count_digits_bt(255), 8>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<bin<int64_t>::count_digits_bt(255), 8>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int64_t>::count_digits_bt(-1), 2>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int64_t>::count_digits_bt(-2), 2>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int64_t>::count_digits_bt(-10), 3>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int64_t>::count_digits_bt(-99), 3>::value, "Wrong digits count");
static_assert(static_cast<std::size_t>(sprout::log10(sprout::abs(-10000000.0))) == 7, "Wrong log10");
static_assert(CountDigitsDebugger<dec<int64_t>::count_digits_bt(-10000000), 9>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int64_t>::count_digits_bt(-123456789), 10>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int32_t>::count_digits_bt(INT_MAX), 11>::value, "Wrong digits count");
static_assert(CountDigitsDebugger<dec<int32_t>::count_digits_bt(INT_MIN), 11>::value, "Wrong digits count");
CHECK(lexical_cast<uint16_t>(std::string("0")) == 0);
CHECK(lexical_cast<uint16_t>(std::string("1")) == 1);
@ -33,10 +71,10 @@ TEST_CASE ("Check string to int conversions", "[s2i][lexical_cast]") {
CHECK(lexical_cast<uint16_t>(std::string("513")) == 513);
CHECK(lexical_cast<uint16_t>(std::string("15000")) == 15000);
CHECK(lexical_cast<uint32_t>(std::string("-1")) == -1);
CHECK(lexical_cast<uint32_t>(std::string("-2")) == -2);
CHECK(lexical_cast<uint32_t>(std::string("-10")) == -10);
CHECK(lexical_cast<uint32_t>(std::string("-100000")) == -100000);
CHECK(lexical_cast<int32_t>(std::string("-1")) == -1);
CHECK(lexical_cast<int32_t>(std::string("-2")) == -2);
CHECK(lexical_cast<int32_t>(std::string("-10")) == -10);
CHECK(lexical_cast<int32_t>(std::string("-100000")) == -100000);
}
TEST_CASE ("Check int to string conversions", "[i2s][lexical_cast]") {