tests

shell.nix

@@ -2,6 +2,7 @@
   buildInputs = with pkgs; [
     rustup
     gcc
+    clang_16
   ];
   shellHook = ''
     export PATH=$PATH:''${CARGO_HOME:-~/.cargo}/bin

test_c.sh

@@ -12,8 +12,18 @@ clean() {
 
 for test in tests/c/*; do
     name=$(basename $test .c)
+    printf "test $name "
 
-    "$SCRIPT_DIR/uwuc-gcc" "$test" -o "$test_dir/$name"
+    flags=$(grep "//@flags: " "$test" | sed 's#//@flags: ##')
+
+    grep "//@ignore" "$test" >/dev/null
+    ignore=$?
+    if [ "$ignore" -eq "0" ]; then
+        echo -e "\e[33mIGNORE\e[0m"
+        continue
+    fi
+
+    "$SCRIPT_DIR/uwuc-gcc" $flags "$test" -o "$test_dir/$name"
 
     if [ "$?" -ne "0" ]; then
         echo "error: failed to compile test $test"
@@ -21,16 +31,15 @@ for test in tests/c/*; do
         exit 1
     fi
 
-    printf "test $name "
 
     OUTPUT=$("$test_dir/$name")
     code="$?"
     if [ "$code" -ne "0" ]; then
         echo -e "\e[31mFAIL\e[0m"
-        echo "error: test failed with code $code: $test, running $test_dir/$name"
-        echo "------ output:"
-        echo "$OUTPUT"
-        echo "-----"
+        echo "error: test failed with code $code: $test, compiled with $flags"
+        echo "------output"
+        echo -n "$OUTPUT"
+        echo "------"
     else
         echo -e "\e[32mPASS\e[0m"
     fi

tests/c/errno.c

@@ -0,0 +1,7 @@
+//@ignore doens't initialize fs yet
+#include<errno.h>
+
+int main(void) {
+    int err = errno;
+    return err;
+}

tests/c/stack_prot.c

@@ -0,0 +1,5 @@
+
+//@flags: -fstack-protector-all
+//@ignore no support yet
+
+int main(void) {}

tests/c/strtol.c

@@ -0,0 +1,9 @@
+#include<stdlib.h>
+
+int main(void) {
+    char *str = "12";
+    long value = strtol(str, NULL, 10);
+    if (value != 12) {
+        return 1;
+    }
+}

uwuc-clang

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+args=("-nodefaultlibs" "-nostdlib" "-L${SCRIPT_DIR}/target/debug" "-lrawc")
+
+exec clang "$@" "${args[@]}"