Added status code to exceptions.

src/main/kotlin/net/thauvin/erik/crypto/CryptoException.kt

@@ -34,11 +34,23 @@ package net.thauvin.erik.crypto
 
 @Suppress("EmptySecondaryConstructor", "unused")
 class CryptoException : Exception {
-    constructor(message: String, cause: Throwable) : super(message, cause)
-    constructor(message: String) : super(message)
-    constructor(cause: Throwable) : super(cause)
+    var statusCode = NO_STATUS
+
+    constructor(statusCode: Int = NO_STATUS, message: String, cause: Throwable) : super(message, cause) {
+        this.statusCode = statusCode
+    }
+
+    constructor(statusCode: Int = NO_STATUS, message: String) : super(message) {
+        this.statusCode = statusCode
+    }
+
+    constructor(statusCode: Int = NO_STATUS, cause: Throwable) : super(cause) {
+        this.statusCode = statusCode
+    }
 
     companion object {
+        const val NO_STATUS = -1
+
         private const val serialVersionUID = 1L
     }
 }

src/main/kotlin/net/thauvin/erik/crypto/CryptoPrice.kt

@@ -53,11 +53,11 @@ open class CryptoPrice(val base: String, val currency: String, val amount: Doubl
             if (json.has("data")) {
                 with(json.getJSONObject("data")) {
                     return CryptoPrice(
-                        getString("base"), getString("currency"), getString("amount").toDouble()
+                            getString("base"), getString("currency"), getString("amount").toDouble()
                     )
                 }
             } else {
-                throw CryptoException("Missing JSON data.")
+                throw CryptoException(message = "Missing JSON data.")
             }
         }
 
@@ -85,15 +85,15 @@ open class CryptoPrice(val base: String, val currency: String, val amount: Doubl
                 if (!response.isSuccessful) {
                     if (json.has("errors")) {
                         val data = json.getJSONArray("errors")
-                        throw CryptoException(data.getJSONObject(0).getString("message"))
+                        throw CryptoException(response.code, data.getJSONObject(0).getString("message"))
                     } else {
-                        throw CryptoException("Invalid API response. (${response.code}")
+                        throw CryptoException(response.code, "Invalid API response.")
                     }
                 } else {
                     return body
                 }
             } else {
-                throw CryptoException("Empty API response.")
+                throw CryptoException(response.code, "Empty API response.")
             }
         }
 

src/test/kotlin/net/thauvin/erik/crypto/CryptoPriceTest.kt

@@ -52,16 +52,22 @@ class CryptoPriceTest {
     @Throws(CryptoException::class)
     fun testMarketPriceExceptions() {
         assertFailsWith(
-            message = "FOO did not fail",
-            exceptionClass = CryptoException::class,
-            block = { marketPrice("FOO") }
+                message = "FOO did not fail",
+                exceptionClass = CryptoException::class,
+                block = { marketPrice("FOO") }
         )
 
         assertFailsWith(
-            message = "BAR did not fail",
-            exceptionClass = CryptoException::class,
-            block = { marketPrice("BTC", "BAR") }
+                message = "BAR did not fail",
+                exceptionClass = CryptoException::class,
+                block = { marketPrice("BTC", "BAR") }
         )
+
+        try {
+            marketPrice("FOOBAR")
+        } catch (e: CryptoException) {
+            assertTrue(e.statusCode != 400, "FOOBAR status code is not 400")
+        }
     }
 
     @Test