From f45aa5cac1579e87cbc599ffb58e10e662066792 Mon Sep 17 00:00:00 2001
From: Treeston <treeston.mmoc@gmail.com>
Date: Wed, 2 Sep 2020 22:04:45 +0200
Subject: Common/Util: Trinity::StringTo<double> support (PR #25364)

---
 tests/common/StringConvert.cpp | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

(limited to 'tests/common/StringConvert.cpp')

diff --git a/tests/common/StringConvert.cpp b/tests/common/StringConvert.cpp
index d25e28f3d19..c1a6f5da7f8 100644
--- a/tests/common/StringConvert.cpp
+++ b/tests/common/StringConvert.cpp
@@ -119,7 +119,7 @@ TEST_CASE("String to smaller integer types", "[StringConvert]")
     REQUIRE(Trinity::StringTo<int16>("-1", 0) == -1);
 }
 
-TEST_CASE("Test.String to boolean", "[StringConvert]")
+TEST_CASE("String to boolean", "[StringConvert]")
 {
     REQUIRE(Trinity::StringTo<bool>("true") == true);
     REQUIRE(Trinity::StringTo<bool>("false") == false);
@@ -129,3 +129,26 @@ TEST_CASE("Test.String to boolean", "[StringConvert]")
     REQUIRE(Trinity::StringTo<bool>("1", 10) == true);
     REQUIRE(Trinity::StringTo<bool>("0", 10) == false);
 }
+
+TEST_CASE("String to double", "[StringConvert]")
+{
+    using namespace Catch::literals;
+    REQUIRE(Trinity::StringTo<double>("0.5") == 0.5);
+    REQUIRE(Trinity::StringTo<double>("0.1") == 0.1_a);
+    REQUIRE(Trinity::StringTo<double>("1.2.3") == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("1e+5") == 100000.0);
+    REQUIRE(Trinity::StringTo<double>("1e+3+5") == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("a1.5") == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("1.5tail") == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("0x0") == 0.0);
+    REQUIRE(Trinity::StringTo<double>("0x0", 16) == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("0", 16) == 0.0);
+    REQUIRE(Trinity::StringTo<double>("0x1.BC70A3D70A3D7p+6") == 0x1.BC70A3D70A3D7p+6);
+    REQUIRE(Trinity::StringTo<double>("0x1.BC70A3D70A3D7p+6", 10) == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("0x1.BC70A3D70A3D7p+6", 16) == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("1.BC70A3D70A3D7p+6", 16) == 0x1.BC70A3D70A3D7p+6);
+    REQUIRE(Trinity::StringTo<double>("0x1.2.3") == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("0x1.AAAp+1-3") == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("1.2.3", 16) == std::nullopt);
+    REQUIRE(Trinity::StringTo<double>("1.AAAp+1-3", 16) == std::nullopt);
+}
-- 
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