add more array based tests and JS compliant typesafe array constructor functions

2012-07-05 16:27:39 +01:00
parent 4671e2b853
commit e9ed7b6d2a
5 changed files with 112 additions and 45 deletions
@@ -0,0 +1,61 @@
+package test.arrays
+
+import kotlin.test.*
+import org.junit.Test as test
+
+class ArraysJVMTest {
+
+    test fun copyOf() {
+        checkContent(booleanArray(true, false, true, false, true, false).copyOf().iterator(), 6) { it % 2 == 0 }
+        checkContent(byteArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it.toByte() }
+        checkContent(shortArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it.toShort() }
+        checkContent(intArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it }
+        checkContent(longArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it.toLong() }
+        checkContent(floatArray(0.toFloat(), 1.toFloat(), 2.toFloat(), 3.toFloat()).copyOf().iterator(), 4) { it.toFloat() }
+        checkContent(doubleArray(0.0, 1.0, 2.0, 3.0, 4.0, 5.0).copyOf().iterator(), 6) { it.toDouble() }
+        checkContent(charArray('0', '1', '2', '3', '4', '5').copyOf().iterator(), 6) { (it + '0').toChar() }
+    }
+
+    test fun copyOfRange() {
+        checkContent(booleanArray(true, false, true, false, true, false).copyOfRange(0, 3).iterator(), 3) { it % 2 == 0 }
+        checkContent(byteArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it.toByte() }
+        checkContent(shortArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it.toShort() }
+        checkContent(intArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it }
+        checkContent(longArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it.toLong() }
+        checkContent(floatArray(0.toFloat(), 1.toFloat(), 2.toFloat(), 3.toFloat()).copyOfRange(0, 3).iterator(), 3) { it.toFloat() }
+        checkContent(doubleArray(0.0, 1.0, 2.0, 3.0, 4.0, 5.0).copyOfRange(0, 3).iterator(), 3) { it.toDouble() }
+        checkContent(charArray('0', '1', '2', '3', '4', '5').copyOfRange(0, 3).iterator(), 3) { (it + '0').toChar() }
+    }
+
+    test fun reduce() {
+        expect(-4) { intArray(1, 2, 3) reduce { a, b -> a - b } }
+        expect(-4.toLong()) { longArray(1, 2, 3) reduce { a, b -> a - b } }
+        expect(-4.toFloat()) { floatArray(1.toFloat(), 2.toFloat(), 3.toFloat()) reduce { a, b -> a - b } }
+        expect(-4.0) { doubleArray(1.0, 2.0, 3.0) reduce { a, b -> a - b } }
+        expect('3') { charArray('1', '3', '2') reduce { a, b -> if(a > b) a else b } }
+        expect(false) { booleanArray(true, true, false) reduce { a, b -> a && b } }
+        expect(true) { booleanArray(true, true) reduce { a, b -> a && b } }
+        expect(0.toByte()) { byteArray(3, 2, 1) reduce { a, b -> (a - b).toByte() } }
+        expect(0.toShort()) { shortArray(3, 2, 1) reduce { a, b -> (a - b).toShort() } }
+
+        failsWith<UnsupportedOperationException> {
+            intArray().reduce { a, b -> a + b}
+        }
+    }
+
+    test fun reduceRight() {
+        expect(2) { intArray(1, 2, 3) reduceRight { a, b -> a - b } }
+        expect(2.toLong()) { longArray(1, 2, 3) reduceRight { a, b -> a - b } }
+        expect(2.toFloat()) { floatArray(1.toFloat(), 2.toFloat(), 3.toFloat()) reduceRight { a, b -> a - b } }
+        expect(2.0) { doubleArray(1.0, 2.0, 3.0) reduceRight { a, b -> a - b } }
+        expect('3') { charArray('1', '3', '2') reduceRight { a, b -> if(a > b) a else b } }
+        expect(false) { booleanArray(true, true, false) reduceRight { a, b -> a && b } }
+        expect(true) { booleanArray(true, true) reduceRight { a, b -> a && b } }
+        expect(2.toByte()) { byteArray(1, 2, 3) reduceRight { a, b -> (a - b).toByte() } }
+        expect(2.toShort()) { shortArray(1, 2, 3) reduceRight { a, b -> (a - b).toShort() } }
+
+        failsWith<UnsupportedOperationException> {
+            intArray().reduceRight { a, b -> a + b}
+        }
+    }
+}