From 1548fa4404932a098b08d04f11cb7b930157bb45 Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dabrahams@adobe.com>
Date: Mon, 12 Aug 2024 19:05:14 -0700
Subject: [PATCH] Enable emscripten in CI (#8)

---
 .github/workflows/ci.yml    | 17 ++++++++++++++++-
 test/CMakeLists.txt         |  6 ++++++
 test/precondition_tests.cpp |  8 ++++----
 3 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab7e991..26263cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,7 @@ jobs:
         name:
           - Linux GCC
           - Linux Clang
+          - Linux Emscripten
           - MacOS Clang
           - MacOS GCC
           - Windows MSVC
@@ -35,6 +36,8 @@ jobs:
         include:
           - compiler: clang++
 
+          - cmake-launcher: ''
+
           - name: 'Linux GCC'
             compiler: g++
             os: ubuntu-latest
@@ -53,6 +56,14 @@ jobs:
             compiler: cl
             os: windows-latest
 
+          - name: 'Linux Emscripten'
+            compiler: ''
+            os: ubuntu-latest
+            cmake-launcher: emcmake
+
+    env:
+      compiler: ${{ matrix.compiler && format('-DCMAKE_CXX_COMPILER={0}', matrix.compiler) || '' }}
+
     steps:
       - name: Install cppcheck
         run: ${{ runner.os == 'Windows' && 'choco install cppcheck -y' || runner.os == 'macOS' && 'brew install cppcheck' || runner.os == 'Linux' && 'sudo apt-get install cppcheck' }}
@@ -72,6 +83,10 @@ jobs:
             exit 1
           fi
 
+      - name: Set up Emscripten
+        uses: mymindstorm/setup-emsdk@v14
+        if: ${{ contains(matrix.name, 'Emscripten') }}
+
       - name: Set up MSVC (Windows)
         uses: compnerd/gha-setup-vsdevenv@main
 
@@ -85,7 +100,7 @@ jobs:
 
       - name: Configure
         run: |
-          cmake -Wno-dev -S . -B ./build -GNinja -DCMAKE_CXX_COMPILER=${{matrix.compiler}} -DCMAKE_BUILD_TYPE=${{matrix.cmake_build_type}} -DCMAKE_CXX_STANDARD=17
+          ${{ matrix.cmake-launcher }} cmake -Wno-dev -S . -B ./build -GNinja ${{env.compiler}} -DCMAKE_BUILD_TYPE=${{matrix.cmake_build_type}} -DCMAKE_CXX_STANDARD=17
 
       - name: Build
         run: |
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 6a1b550..d96600d 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -15,6 +15,12 @@ if(PROJECT_IS_TOP_LEVEL OR TEST_INSTALLED_VERSION)
   endif()
 endif()
 
+
+if(EMSCRIPTEN)
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fexceptions")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
+endif()
+
 # ---- Dependencies ----
 
 include(GoogleTest)
diff --git a/test/precondition_tests.cpp b/test/precondition_tests.cpp
index c2eebd0..bd64648 100644
--- a/test/precondition_tests.cpp
+++ b/test/precondition_tests.cpp
@@ -1,15 +1,15 @@
 #include "adobe/contract_checks.hpp"
-#ifndef _WIN32
+#include <gtest/gtest.h>
+#if !defined(GTEST_OS_WINDOWS) && !defined(__EMSCRIPTEN__)
 #include <csignal>
 #endif
-#include <gtest/gtest.h>
 
 ADOBE_DEFAULT_CONTRACT_VIOLATION_HANDLER()
 
-#ifdef _WIN32
+#if defined(GTEST_OS_WINDOWS) || defined(__EMSCRIPTEN__)
 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
 #define EXPECT_ABORT(code, expected_output_regex) \
-  EXPECT_DEATH(code, expected_output_regex ".*\n*##ABORTED##");
+  EXPECT_DEATH_IF_SUPPORTED(code, expected_output_regex ".*\n*##ABORTED##");
 #else
 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
 #define EXPECT_ABORT(code, expected_output_regex) \