[Spec tests] Add tests for when-expression (p-3, 4)

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.1.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: NO_ELSE_IN_WHEN: 'when' expression must be exhaustive, add necessary 'Val_1', 'Val_2' branches or 'else' branch instead (4,17) in /KotlinClass.kt

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.1.kt

@@ -0,0 +1,29 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 1
+ * DESCRIPTION: it is possible to  replace the else condition with an always-true condition (Enum)
+ * EXCEPTION: compiletime
+ */
+
+
+// FILE: JavaEnum.java
+enum JavaEnum {
+    Val_1,
+    Val_2,
+    Val_3,
+}
+
+// FILE: KotlinClass.kt
+fun box(): String {
+    val z = JavaEnum.Val_3
+    val when3 = when (z) {
+        JavaEnum.Val_3 -> { "OK" }
+    }
+    return when3
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.2.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: NO_ELSE_IN_WHEN: 'when' expression must be exhaustive, add necessary 'false' branch or 'else' branch instead (15,17) in /1.2.kt

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.2.kt

@@ -0,0 +1,19 @@
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 2
+ * DESCRIPTION:  it is possible to  replace the else condition with an always-true condition (Boolean)
+ * EXCEPTION: compiletime
+ */
+
+fun box(): String {
+    val b = true
+    val when2 = when (b) {
+        !false -> { "OK" }
+    }
+    return  when2
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.3.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: NO_ELSE_IN_WHEN: 'when' expression must be exhaustive, add necessary 'true' branch or 'else' branch instead (15,17) in /1.3.kt

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.3.kt

@@ -0,0 +1,20 @@
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 3
+ * DESCRIPTION:  it is possible to  replace the else condition with an always-true condition (Boolean)
+ * EXCEPTION: compiletime
+ */
+
+fun box(): String {
+    val a = false
+    val when2 = when (a) {
+        false -> { "OK" }
+        false -> { "NOK" }
+    }
+    return when2
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.4.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: NO_ELSE_IN_WHEN: 'when' expression must be exhaustive, add necessary 'is C' branch or 'else' branch instead (22,17) in /1.4.kt

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/neg/1.4.kt

@@ -0,0 +1,28 @@
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 4
+ * DESCRIPTION:  it is possible to  replace the else condition with an always-true condition (sealed class)
+ * EXCEPTION: compiletime
+ */
+
+sealed class SClass {
+    class A : SClass()
+    class B : SClass()
+    class C : SClass()
+}
+
+fun box(): String {
+    val x: SClass = SClass.B()
+
+    val when1 = when (x){
+        is  SClass.A ->{ "NOK"}
+        is  SClass.B ->{ "OK" }
+        is  SClass.B ->{ "NOK" }
+    }
+    return when1
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/pos/1.1.kt

@@ -0,0 +1,31 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (POSITIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 1
+ * DESCRIPTION: it is possible to  replace the else condition with an always-true condition (Enum)
+ */
+
+
+// FILE: JavaEnum.java
+enum JavaEnum {
+    Val_1,
+    Val_2,
+    Val_3,
+}
+
+// FILE: KotlinClass.kt
+fun box(): String {
+    val z = JavaEnum.Val_3
+    val when3 = when (z) {
+        JavaEnum.Val_1 -> { "NOK" }
+        JavaEnum.Val_3 -> { "OK" }
+        JavaEnum.Val_3 -> { "NOK" }
+        JavaEnum.Val_2 -> { "NOK" }
+    }
+    return when3
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/pos/1.2.kt

@@ -0,0 +1,20 @@
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (POSITIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 2
+ * DESCRIPTION:  it is possible to  replace the else condition with an always-true condition (Boolean)
+ */
+
+fun box(): String {
+    val b = true
+    val when2 = when (b) {
+        false -> { "NOK" }
+        !false -> { "OK" }
+        !false -> { "NOK" }
+    }
+    return  when2
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/pos/1.3.kt

@@ -0,0 +1,20 @@
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (POSITIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 3
+ * DESCRIPTION:  it is possible to  replace the else condition with an always-true condition (Boolean)
+ */
+
+fun box(): String {
+    val a = false
+    val when2 = when (a) {
+        true -> { "NOK" }
+        false -> { "OK" }
+        false -> { "NOK" }
+    }
+    return when2
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-4/pos/1.4.kt

@@ -0,0 +1,28 @@
+// WITH_RUNTIME
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (POSITIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 4 -> sentence 1
+ * NUMBER: 4
+ * DESCRIPTION:  it is possible to  replace the else condition with an always-true condition (sealed class)
+ */
+
+sealed class SClass {
+    class A : SClass()
+    class B : SClass()
+    class C : SClass()
+}
+
+fun box(): String {
+    val x: SClass = SClass.B()
+
+    val when1 = when (x){
+        is  SClass.A ->{ "NOK"}
+        is  SClass.B ->{ "OK" }
+        is  SClass.B ->{ "NOK" }
+        is  SClass.C ->{ "NOK" }
+    }
+    return when1
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-5/neg/2.1.exceptions.compiletime.txt

@@ -0,0 +1 @@
+java.lang.IllegalStateException: ELSE_MISPLACED_IN_WHEN: 'else' entry must be the last one in a when-expression (6,9) in /KotlinClass.kt

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-5/neg/2.1.kt

@@ -0,0 +1,32 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 5 -> sentence 2
+ * NUMBER: 1
+ * DESCRIPTION: The else condition is a special condition which evaluates to true if none of the branches above it evaluated to true.
+ * EXCEPTION: compiletime
+ */
+
+
+// FILE: JavaEnum.java
+enum JavaEnum {
+    Val_1,
+    Val_2,
+    Val_3,
+}
+
+// FILE: KotlinClass.kt
+fun box(): String {
+    val z = JavaEnum.Val_3
+    val when1 = when (z) {
+        JavaEnum.Val_1 -> { false }
+        else -> {true}
+        JavaEnum.Val_2 -> { false }
+    }
+
+    return "NOK"
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/p-5/pos/1.1.kt

@@ -0,0 +1,33 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+/*
+ * KOTLIN CODEGEN BOX SPEC TEST (POSITIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, when-expression -> paragraph 5 -> sentence 1
+ * NUMBER: 1
+ * DESCRIPTION: The else condition must also be in the last when entry of when expression, otherwise it is a compile-time error.
+ */
+
+
+// FILE: JavaEnum.java
+enum JavaEnum {
+    Val_1,
+    Val_2,
+    Val_3,
+}
+
+// FILE: KotlinClass.kt
+fun box(): String {
+    val z = JavaEnum.Val_3
+    val when1 = when (z) {
+        JavaEnum.Val_1 -> { false }
+        else -> {true}
+    }
+    val when2 = when (z) {
+        JavaEnum.Val_3 -> { true }
+        else -> {false}
+    }
+    return if (when1 && when2) "OK" else "NOK"
+}

compiler/tests-spec/testData/codegen/box/linked/expressions/when-expression/testsMap.json

@@ -0,0 +1,82 @@
+{
+  "4": {
+    "neg": {
+      "1": [
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": " it is possible to  replace the else condition with an always-true condition (Boolean)",
+          "unexpectedBehaviour": false
+        },
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": " it is possible to  replace the else condition with an always-true condition (Boolean)",
+          "unexpectedBehaviour": false
+        },
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": " it is possible to  replace the else condition with an always-true condition (sealed class)",
+          "unexpectedBehaviour": false
+        },
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": "it is possible to  replace the else condition with an always-true condition (Enum)",
+          "unexpectedBehaviour": false
+        }
+      ]
+    },
+    "pos": {
+      "1": [
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": " it is possible to  replace the else condition with an always-true condition (Boolean)",
+          "unexpectedBehaviour": false
+        },
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": " it is possible to  replace the else condition with an always-true condition (Boolean)",
+          "unexpectedBehaviour": false
+        },
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": " it is possible to  replace the else condition with an always-true condition (sealed class)",
+          "unexpectedBehaviour": false
+        },
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": "it is possible to  replace the else condition with an always-true condition (Enum)",
+          "unexpectedBehaviour": false
+        }
+      ]
+    }
+  },
+  "5": {
+    "neg": {
+      "2": [
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": "The else condition is a special condition which evaluates to true if none of the branches above it evaluated to true.",
+          "unexpectedBehaviour": false
+        }
+      ]
+    },
+    "pos": {
+      "1": [
+        {
+          "specVersion": "0.1-218",
+          "casesNumber": 0,
+          "description": "The else condition must also be in the last when entry of when expression, otherwise it is a compile-time error.",
+          "unexpectedBehaviour": false
+        }
+      ]
+    }
+  }
+}