Add no-std test for macro

Author: ia0

README.md

@@ -6,7 +6,7 @@
 [![Build Status][travis_badge]][travis]
 [![Build Status][appveyor_badge]][appveyor]
 [![Coverage Status][coveralls_badge]][coveralls]
-[![dependency status][dependency_badge]][dependency]
+[![Dependency Status][dependency_badge]][dependency]
 
 This repository provides a Rust [library] and a [binary] providing efficient
 common and custom data-encodings.

nostd/Cargo.toml

@@ -7,10 +7,11 @@ license = "MIT"
 publish = false
 
 [features]
-alloc = ["data-encoding/alloc"]
+alloc = ["data-encoding/alloc", "data-encoding-macro"]
 
 [dependencies]
 data-encoding = { path = "../lib", default-features = false }
+data-encoding-macro = { path = "../lib/macro", optional = true }
 libc = { version = "0.2", default-features = false }
 
 [profile.release]

nostd/src/main.rs

@@ -2,11 +2,8 @@
 #![no_std]
 #![no_main]
 
-extern crate data_encoding;
-extern crate libc;
-
 use core::fmt::Write;
-use data_encoding::{Encoding, BASE32, BASE64, BASE64_NOPAD, HEXLOWER_PERMISSIVE};
+use data_encoding::Encoding;
 
 #[lang = "eh_personality"]
 extern "C" fn eh_personality() {}
@@ -75,13 +72,33 @@ fn test(encoding: &Encoding, input: &[u8], output: &str, buffer: &mut [u8]) {
     test_decode(encoding, output, buffer, input);
 }
 
+#[cfg(feature = "alloc")]
+fn test_macro() {
+    // TODO(ia0): We shouldn't need to import decode_slice. Might be fixed by #36.
+    use data_encoding_macro::{
+        base64, decode_slice, internal_decode_slice, internal_new_encoding, new_encoding,
+    };
+
+    const FOOBAR: &'static [u8] = &base64!("Zm9vYmFy");
+    const LETTER8: Encoding = new_encoding! {
+        symbols: "ABCDEFGH",
+    };
+
+    assert_eq!(FOOBAR, b"foobar");
+    test(&LETTER8, &[0], "AAA", &mut [0; 3]);
+    test(&LETTER8, b"foobar", "DBEGHFFHDAEGAFGC", &mut [0; 16]);
+}
+
 #[no_mangle]
 pub extern "C" fn main(_argc: isize, _argv: *const *const u8) -> isize {
+    use data_encoding::{BASE32, BASE64, BASE64_NOPAD, HEXLOWER_PERMISSIVE};
     test(&BASE32, b"hello", "NBSWY3DP", &mut [0; 8]);
     test(&BASE64, b"hello", "aGVsbG8=", &mut [0; 8]);
     test(&BASE64_NOPAD, b"hello", "aGVsbG8", &mut [0; 8]);
     test(&HEXLOWER_PERMISSIVE, b"hello", "68656c6c6f", &mut [0; 10]);
     test_decode(&HEXLOWER_PERMISSIVE, "68656C6C6F", &mut [0; 5], b"hello");
+    #[cfg(feature = "alloc")]
+    test_macro();
     let _ = writeln!(Fd(1), "All tests passed.");
     0
 }