JVM_IR KT-47398 handle @EnhancedNullability String subject as in 1.0

2021-06-23 13:40:25 +03:00
parent c26d71c4ef
commit 0104b1275f
8 changed files with 208 additions and 4 deletions
@@ -0,0 +1,75 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+
+// FILE: enhancedNullability.kt
+fun testEmpty() {
+    when (J.nullString()) {
+    }
+}
+
+fun testSingle() {
+    try {
+        var q = "other"
+        when (J.nullString()) {
+            "a" -> q = "A"
+        }
+        throw Exception("Should throw NPE, got '$q'")
+    } catch (e: NullPointerException) {
+    }
+}
+
+fun testElseOnly() {
+    var q = "other"
+    when (J.nullString()) {
+        else -> q = "A"
+    }
+    if (q != "A") {
+        throw Exception("Expected: 'A', got '$q'")
+    }
+}
+
+fun testSmall() {
+    try {
+        val q = when (J.nullString()) {
+            "a" -> "A"
+            else -> "other"
+        }
+        throw Exception("Should throw NPE, got '$q'")
+    } catch (e: NullPointerException) {
+    }
+}
+
+fun testBigger() {
+    try {
+        val q = when (J.nullString()) {
+            "a" -> "A"
+            "b" -> "B"
+            "c" -> "C"
+            "d" -> "D"
+            "e" -> "E"
+            "f" -> "F"
+            "g" -> "G"
+            "h" -> "H"
+            else -> "other"
+        }
+        throw Exception("Should throw NPE, got '$q'")
+    } catch (e: NullPointerException) {
+    }
+}
+
+
+fun box(): String {
+    testEmpty()
+    testSingle()
+    testElseOnly()
+    testSmall()
+    testBigger()
+    return "OK"
+}
+
+// FILE: J.java
+import org.jetbrains.annotations.NotNull;
+
+public class J {
+    public static @NotNull String nullString() { return null; }
+}
@@ -0,0 +1,71 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+
+// FILE: flexibleNullability.kt
+fun testEmpty() {
+    when (J.nullString()) {
+    }
+}
+
+fun testSingle() {
+    var q = "other"
+    when (J.nullString()) {
+        "a" -> q = "A"
+    }
+    if (q != "other") {
+        throw Exception("Expected 'other', got '$q'")
+    }
+
+}
+
+fun testElseOnly() {
+    var q = "other"
+    when (J.nullString()) {
+        else -> q = "A"
+    }
+    if (q != "A") {
+        throw Exception("Expected: 'A', got '$q'")
+    }
+}
+
+fun testSmall() {
+    val q = when (J.nullString()) {
+        "a" -> "A"
+        else -> "other"
+    }
+    if (q != "other") {
+        throw Exception("Expected 'other', got '$q'")
+    }
+}
+
+fun testBigger() {
+    val q = when (J.nullString()) {
+        "a" -> "A"
+        "b" -> "B"
+        "c" -> "C"
+        "d" -> "D"
+        "e" -> "E"
+        "f" -> "F"
+        "g" -> "G"
+        "h" -> "H"
+        else -> "other"
+    }
+    if (q != "other") {
+        throw Exception("Expected 'other', got '$q'")
+    }
+}
+
+
+fun box(): String {
+    testEmpty()
+    testSingle()
+    testElseOnly()
+    testSmall()
+    testBigger()
+    return "OK"
+}
+
+// FILE: J.java
+public class J {
+    public static String nullString() { return null; }
+}