Add string_literals test

Author: lucic71

tests/unit/out/refcount/string_literals.rs

@@ -0,0 +1,26 @@
+extern crate libcc2rs;
+use libcc2rs::*;
+use std::cell::RefCell;
+use std::collections::BTreeMap;
+use std::io::prelude::*;
+use std::io::{Read, Seek, Write};
+use std::os::fd::AsFd;
+use std::rc::{Rc, Weak};
+pub fn main() {
+    std::process::exit(main_0());
+}
+fn main_0() -> i32 {
+    let mutable_strings: Value<Box<[Ptr<u8>]>> = Rc::new(RefCell::new(Box::new([
+        Ptr::from_string_literal("a"),
+        Ptr::from_string_literal("b"),
+        Ptr::from_string_literal("c"),
+    ])));
+    let immutable_strings: Value<Box<[Ptr<u8>]>> = Rc::new(RefCell::new(Box::new([
+        Ptr::from_string_literal("a"),
+        Ptr::from_string_literal("b"),
+        Ptr::from_string_literal("c"),
+    ])));
+    let mutable_string: Value<Ptr<u8>> = Rc::new(RefCell::new(Ptr::from_string_literal("hello")));
+    let immutable_string: Value<Ptr<u8>> = Rc::new(RefCell::new(Ptr::from_string_literal("hello")));
+    return 0;
+}

tests/unit/out/unsafe/string_literals.rs

@@ -0,0 +1,24 @@
+extern crate libc;
+use libc::*;
+extern crate libcc2rs;
+use libcc2rs::*;
+use std::collections::BTreeMap;
+use std::io::{Read, Seek, Write};
+use std::os::fd::{AsFd, FromRawFd, IntoRawFd};
+use std::rc::Rc;
+pub fn main() {
+    unsafe {
+        std::process::exit(main_0() as i32);
+    }
+}
+unsafe fn main_0() -> i32 {
+    let mut mutable_strings: [*mut u8; 3] = [
+        b"a\0".as_ptr().cast_mut(),
+        b"b\0".as_ptr().cast_mut(),
+        b"c\0".as_ptr().cast_mut(),
+    ];
+    let mut immutable_strings: [*const u8; 3] = [b"a\0".as_ptr(), b"b\0".as_ptr(), b"c\0".as_ptr()];
+    let mut mutable_string: *mut u8 = b"hello\0".as_ptr().cast_mut();
+    let mut immutable_string: *const u8 = b"hello\0".as_ptr();
+    return 0;
+}

tests/unit/string_literals.cpp

@@ -0,0 +1,8 @@
+int main() {
+  char *mutable_strings[] = {"a", "b", "c"};
+  const char *immutable_strings[] = {"a", "b", "c"};
+
+  char *mutable_string = "hello";
+  const char *immutable_string = "hello";
+  return 0;
+}