Add tests for the std files.

scripts/tests.sh

@@ -28,8 +28,21 @@
 
 set -e
 
-# There is an implicit assumption here that we HAVE to run from root directory.
-REPO_ROOT=$(pwd)
+REPO_ROOT="$(dirname "$0")"/..
+
+ # Compile all files in std and examples.
+
+for f in "$REPO_ROOT"/std/*.sol
+do
+    echo "Compiling $f..."
+    set +e
+    output=$("$REPO_ROOT"/build/solc/solc "$f" 2>&1)
+    failed=$?
+    output=$(echo "$output" | grep -v 'pre-release')
+    echo "$output"
+    set -e
+    test -z "$output" -a "$failed" -eq 0
+done
 
 # This conditional is only needed because we don't have a working Homebrew
 # install for `eth` at the time of writing, so we unzip the ZIP file locally

std/StandardToken.sol

@@ -1,3 +1,5 @@
+pragma solidity ^0.4.0;
+
 import "./Token.sol";
 
 contract StandardToken is Token {

std/Token.sol

@@ -1,3 +1,5 @@
+pragma solidity ^0.4.0;
+
 contract Token {
 	event Transfer(address indexed _from, address indexed _to, uint256 _value);
 	event Approval(address indexed _owner, address indexed _spender, uint256 _value);

std/mortal.sol

@@ -1,3 +1,5 @@
+pragma solidity ^0.4.0;
+
 import "./owned.sol";
 
 contract mortal is owned {

std/owned.sol

@@ -1,3 +1,5 @@
+pragma solidity ^0.4.0;
+
 contract owned {
     address owner;
 

std/std.sol

@@ -1,3 +1,5 @@
+pragma solidity ^0.4.0;
+
 import "./owned.sol";
 import "./mortal.sol";
 import "./Token.sol";