Filter out listDirectory test on Windows

Author: fzhinkin

core/build.gradle.kts

@@ -3,6 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENCE file.
  */
 
+import org.gradle.internal.os.OperatingSystem
 import org.jetbrains.dokka.gradle.DokkaTaskPartial
 
 plugins {
@@ -30,6 +31,17 @@ kotlin {
             }
         }
     }
+    wasmWasi {
+        nodejs {
+            testTask {
+                // fd_readdir is unsupported on Windows:
+                // https://github.com/nodejs/node/blob/6f4d6011ea1b448cf21f5d363c44e4a4c56ca34c/deps/uvwasi/src/uvwasi.c#L19
+                if (OperatingSystem.current().isWindows) {
+                    filter.setExcludePatterns("*SmokeFileTest.listDirectory")
+                }
+            }
+        }
+    }
 
     sourceSets {
         commonMain.dependencies {

core/wasmWasi/src/files/FileSystemWasm.kt

@@ -311,6 +311,8 @@ internal object WasiFileSystem : SystemFileSystemImpl() {
                 val bufferSize = metadata.filesize.toInt()
                 val buffer = allocator.allocate(bufferSize)
                 val resultSize: Int
+                // Unsuported on Windows and Android:
+                // https://github.com/nodejs/node/blob/6f4d6011ea1b448cf21f5d363c44e4a4c56ca34c/deps/uvwasi/src/uvwasi.c#L19
                 val res = Errno(
                     fd_readdir(
                         fd = dir_fd,

core/wasmWasi/test/WasiFsTest.kt

@@ -219,4 +219,14 @@ class WasiFsTest {
             SystemFileSystem.delete(Path("/tmp/a"))
         }
     }
+
+    // https://github.com/nodejs/node/blob/6f4d6011ea1b448cf21f5d363c44e4a4c56ca34c/deps/uvwasi/src/uvwasi.c#L19
+    @Test
+    fun readdirUnsupportedOnWindows() {
+        if (!isWindows) return
+
+        assertFailsWith<IOException> {
+            SystemFileSystem.list(PreOpens.roots.first())
+        }
+    }
 }