From 02a6f029add693ed213dd32abf61261e06935c6d Mon Sep 17 00:00:00 2001
From: Jordan Williams <19399197+jwillikers@users.noreply.github.com>
Date: Mon, 24 Feb 2020 07:59:59 -0600
Subject: [PATCH] use ExternalProject to download the toml tests

In order to evaluate the relative paths correctly, add_test should use the current binary directory as the working directory.
---
 tests/CMakeLists.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index e6a1f5b..544d56c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,3 +1,12 @@
+include(ExternalProject)
+ExternalProject_Add(toml
+        SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/toml
+        GIT_REPOSITORY https://github.com/toml-lang/toml
+        GIT_TAG v0.5.0
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ""
+        INSTALL_COMMAND "")
+
 set(TEST_NAMES
     test_datetime
     test_string
@@ -158,7 +167,7 @@ foreach(TEST_NAME ${TEST_NAMES})
         endif()
     endif()
 
-    add_test(NAME ${TEST_NAME} COMMAND ${TEST_NAME} WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
+    add_test(NAME ${TEST_NAME} COMMAND ${TEST_NAME} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
     # Set the PATH to be able to find Boost DLL
     if(WIN32)