[Tests] Test samples from KEEP

compiler/testData/diagnostics/tests/extensions/contextReceivers/fromKEEP/autoCloseScope.kt

@@ -0,0 +1,33 @@
+// FIR_IDENTICAL
+class File(name: String)
+interface InputStream
+
+interface AutoCloseScope {
+    fun defer(closeBlock: () -> Unit)
+    fun close()
+}
+class AutoCloseScopeImpl : AutoCloseScope {
+    override fun defer(closeBlock: () -> Unit) = TODO()
+    override fun close() = TODO()
+}
+
+context(AutoCloseScope)
+fun File.open(): InputStream = TODO()
+
+fun withAutoClose(block: context(AutoCloseScope) () -> Unit) {
+    val scope = AutoCloseScopeImpl() // Not shown here
+    try {
+        with(scope) { block() }
+    } finally {
+        scope.close()
+    }
+}
+
+fun test() {
+    withAutoClose {
+        val input = File("input.txt").open()
+        val config = File("config.txt").open()
+        // Work
+        // All files are closed at the end
+    }
+}