Moves test/misc.js tests to appropriate location

test/ecdsa.js

@@ -1,8 +1,13 @@
 var assert = require('assert')
-var convert = require('../').convert
-var ecdsa = require('../').ecdsa
-var ECPubKey = require('../').ECPubKey
-var Message = require('../').Message
+var convert = require('..').convert
+var crypto = require('../').crypto
+var ecdsa = require('..').ecdsa
+var rng = require('secure-random')
+
+var BigInteger = require('..').BigInteger
+var ECKey = require('..').ECKey
+var ECPubKey = require('..').ECPubKey
+var Message = require('..').Message
 
 describe('ecdsa', function() {
   describe('recoverPubKey', function() {
@@ -15,4 +20,41 @@ describe('ecdsa', function() {
       assert.equal(pubKey.toHex(true), '02e8fcf4d749b35879bc1f3b14b49e67ab7301da3558c5a9b74a54f1e6339c334c')
     })
   })
+
+  describe('sign/verify', function() {
+    it('Signing and Verifying', function () {
+      var s1 = new ECKey()
+      var sig_a = s1.sign(BigInteger.ZERO)
+
+      assert.ok(sig_a, 'Sign null')
+      assert.ok(s1.verify(BigInteger.ZERO, sig_a))
+
+      var message = new BigInteger(1024, rng).toByteArrayUnsigned()
+      var hash = crypto.sha256(message)
+      var sig_b = s1.sign(hash)
+      assert.ok(sig_b, 'Sign random string')
+      assert.ok(s1.verify(hash, sig_b))
+
+      var message2 = convert.hexToBytes(
+        '12dce2c169986b3346827ffb2305cf393984627f5f9722a1b1368e933c8d' +
+        'd296653fbe5d7ac031c4962ad0eb1c4298c3b91d244e1116b4a76a130c13' +
+        '1e7aec7fa70184a71a2e66797052831511b93c6e8d72ae58a1980eaacb66' +
+        '8a33f50d7cefb96a5dab897b5efcb99cbafb0d777cb83fc9b2115b69c0fa' +
+        '3d82507b932b84e4')
+
+      var hash2 = crypto.sha256(message2)
+
+      var sig_c = convert.hexToBytes(
+        '3044022038d9b8dd5c9fbf330565c1f51d72a59ba869aeb2c2001be959d3' +
+        '79e861ec71960220a73945f32cf90d03127d2c3410d16cee120fa1a4b4c3' +
+        'f273ab082801a95506c4')
+
+      var s2 = convert.hexToBytes(
+        '045a1594316e433fb91f35ef4874610d22177c3f1a1060f6c1e70a609d51' +
+        'b20be5795cd2a5eae0d6b872ba42db95e9afaeea3fbb89e98099575b6828' +
+        '609a978528')
+
+      assert.ok(ecdsa.verify(hash2, sig_c, s2), 'Verify constant signature')
+    })
+  })
 })