incomplete assignment bug from EA fixed

2012-04-17 15:00:04 +04:00
parent 091d81760c
commit 84f32c99ae
2 changed files with 36 additions and 3 deletions
@@ -0,0 +1,30 @@
+package sum
+
+import java.util.*
+fun sum(a : IntArray) : Int {
+    // Write your solution here
+    <!UNRESOLVED_REFERENCE!>res<!> = 0
+    for (e in a)
+        res +=<!SYNTAX!><!>
+<!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>}<!>
+fun main(args : Array<String>) {
+    test(0)
+    test(1, 1)
+    test(-1, -1, 0)
+    test(6, 1, 2, 3)
+    test(6, 1, 1, 1, 1, 1, 1)
+}
+// HELPER FUNCTIONS
+fun test(expectedSum : Int, vararg data : Int) {
+    val actualSum = sum(data)
+    assertEquals(actualSum, expectedSum, "\ndata = ${Arrays.toString(data)}\n" +
+    "sum(data) = ${actualSum}, but must be $expectedSum ")
+}
+fun assertEquals<T>(actual : T?, expected : T?, message : Any? = null) {
+    if (actual != expected) {
+        if (message == null)
+            throw AssertionError()
+        else
+            throw AssertionError(message)
+    }
+}