Merge pull request #5272 from ethereum/smt_special_vars

[SMTChecker] Support msg.*, tx.*, block.*, gasleft and blockhash

1 files changed, 25 insertions, 0 deletions

diff --git a/test/libsolidity/smtCheckerTests/special/many.sol b/test/libsolidity/smtCheckerTests/special/many.sol
new file mode 100644
index 00000000..40e5d987
--- /dev/null
+++ b/test/libsolidity/smtCheckerTests/special/many.sol
@@ -0,0 +1,25 @@
+pragma experimental SMTChecker;
+
+contract C
+{
+	function f() public payable {
+		assert(msg.sender == block.coinbase);
+		assert(block.difficulty == block.gaslimit);
+		assert(block.number == block.timestamp);
+		assert(tx.gasprice == msg.value);
+		assert(tx.origin == msg.sender);
+		uint x = block.number;
+		assert(x + 2 > block.number);
+		assert(now > 10);
+		assert(gasleft() > 100);
+	}
+}
+// ----
+// Warning: (79-115): Assertion violation happens here
+// Warning: (119-161): Assertion violation happens here
+// Warning: (165-204): Assertion violation happens here
+// Warning: (208-240): Assertion violation happens here
+// Warning: (244-275): Assertion violation happens here
+// Warning: (311-316): Overflow (resulting value larger than 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) happens here
+// Warning: (336-352): Assertion violation happens here
+// Warning: (356-379): Assertion violation happens here