Add test of cmake

Author: arvid-norlander

Makefile

@@ -53,7 +53,7 @@ default: build
 check:
 	CC="clang --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot" \
 	CXX="clang++ --sysroot=$(BUILD_PREFIX)/share/wasi-sysroot -fno-exceptions" \
-	PATH="$(PATH_PREFIX)/bin:$$PATH" tests/run.sh $(RUNTIME)
+	PATH="$(PATH_PREFIX)/bin:$$PATH" tests/run.sh "$(RUNTIME)" "$(BUILD_PREFIX)"
 
 clean:
 	rm -rf build $(DESTDIR)

tests/cmake/CMakeLists.txt

@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.22)
+
+project(wasi-sdk-test)
+
+# Sanity check setup
+if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL WASI)
+    message(FATAL_ERROR "Wrong system name (${CMAKE_SYSTEM_NAME}), wrong toolchain file in use?")
+endif()
+
+if(NOT DEFINED WASI)
+    message(FATAL_ERROR "WASI is not set, platform file likely not loaded")
+endif()
+
+set(RUNWASI "" CACHE STRING "Path to or name of WASM runner")
+
+# Test build a C and C++ target respectively
+add_executable(void_main_c ../general/void_main.c)
+add_executable(void_main_cc ../general/void_main.cc)
+
+include(CTest)
+enable_testing()
+
+add_test(NAME void_main_c
+    COMMAND
+        ${CMAKE_CURRENT_SOURCE_DIR}/test_driver.sh
+        ${RUNWASI}
+        $<TARGET_FILE:void_main_c>
+        ${CMAKE_CURRENT_SOURCE_DIR}/../general/void_main.c.stdout.expected)
+add_test(NAME void_main_cc
+    COMMAND
+        ${CMAKE_CURRENT_SOURCE_DIR}/test_driver.sh
+        ${RUNWASI}
+        $<TARGET_FILE:void_main_cc>
+        ${CMAKE_CURRENT_SOURCE_DIR}/../general/void_main.cc.stdout.expected)

tests/cmake/test_driver.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Simplified runner for cmake
+
+set -ex
+
+runwasi="$1"
+target="$2"
+stdout_expected="$3"
+stderr_expected="/dev/null"
+
+stdout_observed="$target.stdout.observed"
+stderr_observed="$target.stderr.observed"
+
+"$runwasi" "$target" > "$stdout_observed" 2> "$stderr_observed"
+
+diff -u "$stderr_expected" "$stderr_observed"
+diff -u "$stdout_expected" "$stdout_observed"

tests/run.sh

@@ -20,12 +20,19 @@ else
     runwasi=""
 fi
 
+if [ $# -gt 1 ]; then
+    wasi_sdk="$2"
+else
+    wasi_sdk=""
+fi
+
 testdir=$(dirname $0)
 CC=${CC:=clang}
 CXX=${CXX:=clang++}
 
 echo $CC
 echo $CXX
+echo "SDK: $wasi_sdk"
 
 cd $testdir/compile-only
 for options in -O0 -O2 "-O2 -flto"; do
@@ -54,3 +61,22 @@ for options in -O0 -O2 "-O2 -flto"; do
     done
 done
 cd - >/dev/null
+
+if [[ -n "$wasi_sdk" ]]; then
+    for option in Debug Release; do
+        rm -rf "$testdir/cmake/build/$option"
+        mkdir -p "$testdir/cmake/build/$option"
+        cd "$testdir/cmake/build/$option"
+        cmake \
+            -DCMAKE_BUILD_TYPE="$option" \
+            -DRUNWASI="$runwasi" \
+            -DWASI_SDK_PREFIX="$wasi_sdk" \
+            -DCMAKE_TOOLCHAIN_FILE="$wasi_sdk/share/cmake/wasi-sdk.cmake" \
+            ../..
+        make
+        if [[ -n "$runwasi" ]]; then
+            ctest --output-on-failure
+        fi
+        cd - >/dev/null
+    done
+fi