Added range/progression tests with NaN ends.

JetBrains · Feb 13, 2013 · ccab19b · ccab19b
1 parent 021496c
commit ccab19b
Showing 1 changed file with 27 additions and 0 deletions.
diff --git a/libraries/stdlib/test/language/RangeIterationTest.kt b/libraries/stdlib/test/language/RangeIterationTest.kt
@@ -2,6 +2,7 @@ package language
 
 import kotlin.test.assertEquals
 import org.junit.Test as test
+import java.lang as j
 
 // Test data for codegen is generated from this class. If you change it, rerun GenerateTests
 public class RangeIterationTest {
@@ -253,4 +254,30 @@ public class RangeIterationTest {
         doTest((5.8.toFloat() downTo 4.0.toFloat() step 0.5).reversed(), 4.0.toFloat(), 5.8.toFloat(), 0.5.toFloat(),
                 listOf<Float>(4.0, 4.5, 5.0, 5.5))
     }
+
+    test fun infiniteSteps() {
+        doTest(0.0..5.0 step j.Double.POSITIVE_INFINITY, 0.0, 5.0, j.Double.POSITIVE_INFINITY, listOf(0.0))
+        doTest(0.0.toFloat()..5.0.toFloat() step j.Float.POSITIVE_INFINITY, 0.0.toFloat(), 5.0.toFloat(), j.Float.POSITIVE_INFINITY, 
+                listOf<Float>(0.0))
+        doTest(5.0 downTo 0.0 step j.Double.POSITIVE_INFINITY, 5.0, 0.0, j.Double.NEGATIVE_INFINITY, listOf(5.0))
+        doTest(5.0.toFloat() downTo 0.0.toFloat() step j.Float.POSITIVE_INFINITY, 5.0.toFloat(), 0.0.toFloat(), j.Float.NEGATIVE_INFINITY,
+                listOf<Float>(5.0))
+    }
+
+    test fun nanEnds() {
+        doTest(j.Double.NaN..5.0, j.Double.NaN, 5.0, 1.0, listOf())
+        doTest(j.Float.NaN.toFloat()..5.0.toFloat(), j.Float.NaN, 5.0.toFloat(), 1.0.toFloat(), listOf())
+        doTest(j.Double.NaN downTo 0.0, j.Double.NaN, 0.0, -1.0, listOf())
+        doTest(j.Float.NaN.toFloat() downTo 0.0.toFloat(), j.Float.NaN, 0.0.toFloat(), -1.0.toFloat(), listOf())
+
+        doTest(0.0..j.Double.NaN, 0.0, j.Double.NaN, 1.0, listOf())
+        doTest(0.0.toFloat()..j.Float.NaN, 0.0.toFloat(), j.Float.NaN, 1.0.toFloat(), listOf())
+        doTest(5.0 downTo j.Double.NaN, 5.0, j.Double.NaN, -1.0, listOf())
+        doTest(5.0.toFloat() downTo j.Float.NaN, 5.0.toFloat(), j.Float.NaN, -1.0.toFloat(), listOf())
+
+        doTest(j.Double.NaN..j.Double.NaN, j.Double.NaN, j.Double.NaN, 1.0, listOf())
+        doTest(j.Float.NaN..j.Float.NaN, j.Float.NaN, j.Float.NaN, 1.0.toFloat(), listOf())
+        doTest(j.Double.NaN downTo j.Double.NaN, j.Double.NaN, j.Double.NaN, -1.0, listOf())
+        doTest(j.Float.NaN downTo j.Float.NaN, j.Float.NaN, j.Float.NaN, -1.0.toFloat(), listOf())
+    }
 }