Add tests on coercion to Unit for callable references

#KT-11723

compiler/testData/codegen/box/callableReference/bound/coercionToUnit.kt

@@ -0,0 +1,20 @@
+// !LANGUAGE: +NewInference
+// IGNORE_BACKEND: JS_IR, JVM_IR
+// WITH_RUNTIME
+
+class Foo
+
+class Builder {
+    var size: Int = 0
+
+    fun addFoo(foo: Foo): Builder {
+        size++
+        return this
+    }
+}
+
+fun box(): String {
+    val b = Builder()
+    listOf(Foo(), Foo(), Foo()).forEach(b::addFoo)
+    return if (b.size == 3) "OK" else "Fail"
+}

compiler/testData/codegen/box/callableReference/function/coercionToUnit.kt

@@ -0,0 +1,16 @@
+// !LANGUAGE: +NewInference
+// IGNORE_BACKEND: JVM_IR
+
+fun foo(s: String): Boolean {
+    if (s != "kotlin") throw AssertionError(s)
+    return true
+}
+
+fun bar(f: (String) -> Unit) {
+    f("kotlin")
+}
+
+fun box(): String {
+    bar(::foo)
+    return "OK"
+}

compiler/testData/codegen/box/callableReference/varargAndDefaults/bothWithCoercionToUnit.kt

@@ -0,0 +1,17 @@
+// !LANGUAGE: +NewInference
+// IGNORE_BACKEND: JS, JS_IR, JVM_IR
+
+fun foo(s: String = "kotlin", vararg t: String): Boolean {
+    if (s != "kotlin") throw AssertionError(s)
+    if (t.size != 0) throw AssertionError(t.size.toString())
+    return true
+}
+
+fun bar(f: () -> Unit) {
+    f()
+}
+
+fun box(): String {
+    bar(::foo)
+    return "OK"
+}

compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -1647,6 +1647,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/callableReference/bound/boundJvmFieldInInterfaceCompanion.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/bound/coercionToUnit.kt");
+            }
+
             @TestMetadata("companionObjectReceiver.kt")
             public void testCompanionObjectReceiver() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/bound/companionObjectReceiver.kt");
@@ -1841,6 +1846,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/callableReference/function/classMemberFromTopLevelUnitOneStringArg.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/function/coercionToUnit.kt");
+            }
+
             @TestMetadata("constructorFromTopLevelNoArgs.kt")
             public void testConstructorFromTopLevelNoArgs() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/function/constructorFromTopLevelNoArgs.kt");
@@ -2348,6 +2358,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/callableReference/varargAndDefaults"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JVM_IR, true);
             }
 
+            @TestMetadata("bothWithCoercionToUnit.kt")
+            public void testBothWithCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/bothWithCoercionToUnit.kt");
+            }
+
             @TestMetadata("boundReferences.kt")
             public void testBoundReferences() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/boundReferences.kt");

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -1647,6 +1647,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/callableReference/bound/boundJvmFieldInInterfaceCompanion.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/bound/coercionToUnit.kt");
+            }
+
             @TestMetadata("companionObjectReceiver.kt")
             public void testCompanionObjectReceiver() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/bound/companionObjectReceiver.kt");
@@ -1841,6 +1846,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/callableReference/function/classMemberFromTopLevelUnitOneStringArg.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/function/coercionToUnit.kt");
+            }
+
             @TestMetadata("constructorFromTopLevelNoArgs.kt")
             public void testConstructorFromTopLevelNoArgs() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/function/constructorFromTopLevelNoArgs.kt");
@@ -2348,6 +2358,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/callableReference/varargAndDefaults"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JVM, true);
             }
 
+            @TestMetadata("bothWithCoercionToUnit.kt")
+            public void testBothWithCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/bothWithCoercionToUnit.kt");
+            }
+
             @TestMetadata("boundReferences.kt")
             public void testBoundReferences() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/boundReferences.kt");

compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -1647,6 +1647,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/callableReference/bound/boundJvmFieldInInterfaceCompanion.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/bound/coercionToUnit.kt");
+            }
+
             @TestMetadata("companionObjectReceiver.kt")
             public void testCompanionObjectReceiver() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/bound/companionObjectReceiver.kt");
@@ -1841,6 +1846,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/callableReference/function/classMemberFromTopLevelUnitOneStringArg.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/function/coercionToUnit.kt");
+            }
+
             @TestMetadata("constructorFromTopLevelNoArgs.kt")
             public void testConstructorFromTopLevelNoArgs() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/function/constructorFromTopLevelNoArgs.kt");
@@ -2348,6 +2358,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/callableReference/varargAndDefaults"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JVM, true);
             }
 
+            @TestMetadata("bothWithCoercionToUnit.kt")
+            public void testBothWithCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/bothWithCoercionToUnit.kt");
+            }
+
             @TestMetadata("boundReferences.kt")
             public void testBoundReferences() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/boundReferences.kt");

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/IrJsCodegenBoxTestGenerated.java

@@ -1567,6 +1567,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/callableReference/bound/array.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/bound/coercionToUnit.kt");
+            }
+
             @TestMetadata("companionObjectReceiver.kt")
             public void testCompanionObjectReceiver() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/bound/companionObjectReceiver.kt");
@@ -1751,6 +1756,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/callableReference/function/classMemberFromTopLevelUnitOneStringArg.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/function/coercionToUnit.kt");
+            }
+
             @TestMetadata("constructorFromTopLevelNoArgs.kt")
             public void testConstructorFromTopLevelNoArgs() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/function/constructorFromTopLevelNoArgs.kt");
@@ -2258,6 +2268,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                 KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/callableReference/varargAndDefaults"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JS_IR, true);
             }
 
+            @TestMetadata("bothWithCoercionToUnit.kt")
+            public void testBothWithCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/bothWithCoercionToUnit.kt");
+            }
+
             @TestMetadata("boundReferences.kt")
             public void testBoundReferences() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/boundReferences.kt");

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -1587,6 +1587,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/callableReference/bound/array.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/bound/coercionToUnit.kt");
+            }
+
             @TestMetadata("companionObjectReceiver.kt")
             public void testCompanionObjectReceiver() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/bound/companionObjectReceiver.kt");
@@ -1771,6 +1776,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/callableReference/function/classMemberFromTopLevelUnitOneStringArg.kt");
             }
 
+            @TestMetadata("coercionToUnit.kt")
+            public void testCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/function/coercionToUnit.kt");
+            }
+
             @TestMetadata("constructorFromTopLevelNoArgs.kt")
             public void testConstructorFromTopLevelNoArgs() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/function/constructorFromTopLevelNoArgs.kt");
@@ -2278,6 +2288,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/callableReference/varargAndDefaults"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JS, true);
             }
 
+            @TestMetadata("bothWithCoercionToUnit.kt")
+            public void testBothWithCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/bothWithCoercionToUnit.kt");
+            }
+
             @TestMetadata("boundReferences.kt")
             public void testBoundReferences() throws Exception {
                 runTest("compiler/testData/codegen/box/callableReference/varargAndDefaults/boundReferences.kt");