From 4343f114cc661cf031ec915538c11b9b030e2e15 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Thu, 30 Sep 2021 14:18:50 +0000
Subject: =?UTF-8?q?Replace=20use=20of=20locale=20dependent=20atoi(?=
 =?UTF-8?q?=E2=80=A6)=20with=20locale-independent=20std::from=5Fchars(?=
 =?UTF-8?q?=E2=80=A6)=20(C++17)?=
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test: Add test cases for LocaleIndependentAtoi

fuzz: Assert legacy atoi(s) == LocaleIndependentAtoi<int>(s)

fuzz: Assert legacy atoi64(s) == LocaleIndependentAtoi<int64_t>(s)
---
 src/test/util_tests.cpp | 71 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

(limited to 'src/test/util_tests.cpp')

diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index a13700d733..5d1ad2ebf6 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -1549,6 +1549,77 @@ BOOST_AUTO_TEST_CASE(test_ToIntegral)
     BOOST_CHECK(!ToIntegral<uint8_t>("256"));
 }
 
+BOOST_AUTO_TEST_CASE(test_LocaleIndependentAtoi)
+{
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("1234"), 1'234);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("0"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("01234"), 1'234);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-1234"), -1'234);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>(" 1"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("1 "), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("1a"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("1.1"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("1.9"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("+01.9"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-1"), -1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>(" -1"), -1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-1 "), -1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>(" -1 "), -1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("+1"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>(" +1"), 1);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>(" +1 "), 1);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("+-1"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-+1"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("++1"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("--1"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>(""), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("aap"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("0x1"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-32482348723847471234"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("32482348723847471234"), 0);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int64_t>("-9223372036854775809"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int64_t>("-9223372036854775808"), -9'223'372'036'854'775'807LL - 1LL);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int64_t>("9223372036854775807"), 9'223'372'036'854'775'807);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int64_t>("9223372036854775808"), 0);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint64_t>("-1"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint64_t>("0"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint64_t>("18446744073709551615"), 18'446'744'073'709'551'615ULL);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint64_t>("18446744073709551616"), 0U);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-2147483649"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("-2147483648"), -2'147'483'648LL);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("2147483647"), 2'147'483'647);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int32_t>("2147483648"), 0);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint32_t>("-1"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint32_t>("0"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint32_t>("4294967295"), 4'294'967'295U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint32_t>("4294967296"), 0U);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int16_t>("-32769"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int16_t>("-32768"), -32'768);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int16_t>("32767"), 32'767);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int16_t>("32768"), 0);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint16_t>("-1"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint16_t>("0"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint16_t>("65535"), 65'535U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint16_t>("65536"), 0U);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int8_t>("-129"), 0);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int8_t>("-128"), -128);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int8_t>("127"), 127);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<int8_t>("128"), 0);
+
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint8_t>("-1"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint8_t>("0"), 0U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint8_t>("255"), 255U);
+    BOOST_CHECK_EQUAL(LocaleIndependentAtoi<uint8_t>("256"), 0U);
+}
+
 BOOST_AUTO_TEST_CASE(test_ParseInt64)
 {
     int64_t n;
-- 
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