Kotlin Exercises

kotlin/rna-transcription/src/main/kotlin/RnaTranscription.kt

@@ -1 +1,12 @@
-fun transcribeToRna(dna: String): String = ""
+fun transcribeToRna(dna: String): String {
+  var ret: String=""
+  for(i in dna) {
+    when(i) {
+    'G' -> ret += "C"
+    'C' -> ret += "G"
+    'T' -> ret += "A"
+    'A' -> ret += "U"
+    }
+  }
+  return ret
+}

kotlin/rna-transcription/src/test/kotlin/RnaTranscriptionTest.kt

@@ -18,25 +18,21 @@ class RnaTranscriptionTest {
         assertEquals("G", transcribeToRna("C"))
     }
 
-    @Ignore
     @Test
     fun guanineComplementIsCytosine() {
         assertEquals("C", transcribeToRna("G"))
     }
 
-    @Ignore
     @Test
     fun thymineComplementIsAdenine() {
         assertEquals("A", transcribeToRna("T"))
     }
 
-    @Ignore
     @Test
     fun adenineComplementIsUracil() {
         assertEquals("U", transcribeToRna("A"))
     }
 
-    @Ignore
     @Test
     fun rnaTranscription() {
         assertEquals("UGCACCAGAAUU", transcribeToRna("ACGTGGTCTTAA"))