test(std/wasi): add wasi-testsuite as a submodule (#7042)

30 files changed, 82 insertions, 386 deletions

diff --git a/.gitmodules b/.gitmodules
index b1be3b2f1..db562cb21 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "deno_third_party"]
 	path = third_party
 	url = https://github.com/denoland/deno_third_party.git
+[submodule "std/wasi/testdata"]
+	path = std/wasi/testdata
+	url = git@github.com:khronosproject/wasi-test-suite.git
diff --git a/std/wasi/snapshot_preview1_test.ts b/std/wasi/snapshot_preview1_test.ts
index dce37d220..aaffb3e20 100644
--- a/std/wasi/snapshot_preview1_test.ts
+++ b/std/wasi/snapshot_preview1_test.ts
@@ -1,17 +1,32 @@
 /* eslint-disable */
 
 import { assert, assertEquals } from "../testing/asserts.ts";
+import { copy } from "../fs/mod.ts";
 import * as path from "../path/mod.ts";
 import Context from "./snapshot_preview1.ts";
 
+const ignore = [
+  "wasi_clock_time_get_realtime.wasm",
+];
+
+// TODO(caspervonb) investigate why these tests are failing on windows and fix
+// them.
+if (Deno.build.os == "windows") {
+  ignore.push("std_fs_metadata_absolute.wasm");
+  ignore.push("std_fs_metadata_relative.wasm");
+  ignore.push("std_fs_read_dir_absolute.wasm");
+  ignore.push("std_fs_read_dir_relative.wasm");
+}
+
 if (import.meta.main) {
   const options = JSON.parse(Deno.args[0]);
-  const binary = await Deno.readFile(Deno.args[1]);
+  const pathname = Deno.args[1];
+  const binary = await Deno.readFile(pathname);
   const module = await WebAssembly.compile(binary);
 
   const context = new Context({
     env: options.env,
-    args: options.args,
+    args: [pathname].concat(options.args),
     preopens: options.preopens,
   });
 
@@ -25,115 +40,83 @@ if (import.meta.main) {
 } else {
   const rootdir = path.dirname(path.fromFileUrl(import.meta.url));
   const testdir = path.join(rootdir, "testdata");
-  const outdir = path.join(testdir, "snapshot_preview1");
 
   for await (const entry of Deno.readDir(testdir)) {
-    if (!entry.name.endsWith(".rs")) {
-      continue;
-    }
-
-    const process = Deno.run({
-      cmd: [
-        "rustc",
-        "--target",
-        "wasm32-wasi",
-        "--out-dir",
-        outdir,
-        path.join(testdir, entry.name),
-      ],
-      stdout: "inherit",
-      stderr: "inherit",
-    });
-
-    const status = await process.status();
-    assert(status.success);
-
-    process.close();
-
-    // TODO(caspervonb) allow the prelude to span multiple lines
-    const source = await Deno.readTextFile(path.join(testdir, entry.name));
-    const prelude = source.match(/^\/\/\s*\{.*/);
-    if (prelude) {
-      const basename = entry.name.replace(/.rs$/, ".json");
-      await Deno.writeTextFile(
-        path.join(outdir, basename),
-        prelude[0].slice(2),
-      );
-    }
-  }
-
-  for await (const entry of Deno.readDir(outdir)) {
     if (!entry.name.endsWith(".wasm")) {
       continue;
     }
 
-    Deno.test(entry.name, async function () {
-      const basename = entry.name.replace(/\.wasm$/, ".json");
-      const prelude = await Deno.readTextFile(path.resolve(outdir, basename));
-      const options = JSON.parse(prelude);
-
-      await Deno.mkdir(`${testdir}/scratch`);
-
-      try {
-        const process = await Deno.run({
-          cwd: testdir,
-          cmd: [
-            `${Deno.execPath()}`,
-            "run",
-            "--quiet",
-            "--unstable",
-            "--allow-all",
-            import.meta.url,
-            prelude,
-            path.resolve(outdir, entry.name),
-          ],
-          stdin: "piped",
-          stdout: "piped",
-          stderr: "piped",
-        });
-
-        if (options.stdin) {
-          const stdin = new TextEncoder().encode(options.stdin);
-          await Deno.writeAll(process.stdin, stdin);
-        }
-
-        process.stdin.close();
-
-        const stdout = await Deno.readAll(process.stdout);
+    Deno.test({
+      name: entry.name,
+      ignore: ignore.includes(entry.name),
+      fn: async function () {
+        const basename = entry.name.replace(/\.wasm$/, ".json");
+        const prelude = await Deno.readTextFile(
+          path.resolve(testdir, basename),
+        );
+        const options = JSON.parse(prelude);
+
+        const workdir = await Deno.makeTempDir();
+        await copy(
+          path.join(testdir, "fixtures"),
+          path.join(workdir, "fixtures"),
+        );
+
+        try {
+          const process = await Deno.run({
+            cwd: workdir,
+            cmd: [
+              `${Deno.execPath()}`,
+              "run",
+              "--quiet",
+              "--unstable",
+              "--allow-all",
+              import.meta.url,
+              prelude,
+              path.resolve(testdir, entry.name),
+            ],
+            stdin: "piped",
+            stdout: "piped",
+            stderr: "piped",
+          });
+
+          if (options.stdin) {
+            const stdin = new TextEncoder().encode(options.stdin);
+            await Deno.writeAll(process.stdin, stdin);
+          }
 
-        if (options.stdout) {
-          assertEquals(new TextDecoder().decode(stdout), options.stdout);
-        } else {
-          await Deno.writeAll(Deno.stdout, stdout);
-        }
+          process.stdin.close();
 
-        process.stdout.close();
+          const stdout = await Deno.readAll(process.stdout);
 
-        const stderr = await Deno.readAll(process.stderr);
+          if (options.stdout) {
+            assertEquals(new TextDecoder().decode(stdout), options.stdout);
+          } else {
+            await Deno.writeAll(Deno.stdout, stdout);
+          }
 
-        if (options.stderr) {
-          assertEquals(new TextDecoder().decode(stderr), options.stderr);
-        } else {
-          await Deno.writeAll(Deno.stderr, stderr);
-        }
+          process.stdout.close();
 
-        process.stderr.close();
+          const stderr = await Deno.readAll(process.stderr);
 
-        if (options.files) {
-          for (const [key, value] of Object.entries(options.files)) {
-            assertEquals(value, await Deno.readTextFile(`${testdir}/${key}`));
+          if (options.stderr) {
+            assertEquals(new TextDecoder().decode(stderr), options.stderr);
+          } else {
+            await Deno.writeAll(Deno.stderr, stderr);
           }
-        }
 
-        const status = await process.status();
-        assertEquals(status.code, options.exitCode ? +options.exitCode : 0);
+          process.stderr.close();
 
-        process.close();
-      } catch (err) {
-        throw err;
-      } finally {
-        await Deno.remove(`${testdir}/scratch`, { recursive: true });
-      }
+          const status = await process.status();
+          assertEquals(status.code, options.exitCode ? +options.exitCode : 0);
+
+          process.close();
+        } catch (err) {
+          throw err;
+        } finally {
+          await Deno.remove(workdir, { recursive: true });
+        }
+      },
     });
   }
 }
diff --git a/std/wasi/testdata b/std/wasi/testdata
new file mode 160000
+Subproject 419874edc0dd334df55760ba626ecc94a1df7cc
diff --git a/std/wasi/testdata/fixture/directory/file b/std/wasi/testdata/fixture/directory/file
deleted file mode 100644
index 3c4dadafb..000000000
--- a/std/wasi/testdata/fixture/directory/file
+++ /dev/null
@@ -1 +0,0 @@
-directory/file
diff --git a/std/wasi/testdata/fixture/directory/symlink_to_file b/std/wasi/testdata/fixture/directory/symlink_to_file
deleted file mode 120000
index 1a010b1c0..000000000
--- a/std/wasi/testdata/fixture/directory/symlink_to_file
+++ /dev/null
@@ -1 +0,0 @@
-file
\ No newline at end of file
diff --git a/std/wasi/testdata/fixture/file b/std/wasi/testdata/fixture/file
deleted file mode 100644
index f73f3093f..000000000
--- a/std/wasi/testdata/fixture/file
+++ /dev/null
@@ -1 +0,0 @@
-file
diff --git a/std/wasi/testdata/fixture/symlink_to_directory b/std/wasi/testdata/fixture/symlink_to_directory
deleted file mode 120000
index 6d0450cc2..000000000
--- a/std/wasi/testdata/fixture/symlink_to_directory
+++ /dev/null
@@ -1 +0,0 @@
-directory
\ No newline at end of file
diff --git a/std/wasi/testdata/fixture/symlink_to_file b/std/wasi/testdata/fixture/symlink_to_file
deleted file mode 120000
index 1a010b1c0..000000000
--- a/std/wasi/testdata/fixture/symlink_to_file
+++ /dev/null
@@ -1 +0,0 @@
-file
\ No newline at end of file
diff --git a/std/wasi/testdata/std_env_args.rs b/std/wasi/testdata/std_env_args.rs
deleted file mode 100644
index f07349c1c..000000000
--- a/std/wasi/testdata/std_env_args.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// { "args": ["one", "two", "three" ]}
-
-fn main() {
-  let mut args = std::env::args();
-  assert_eq!(args.len(), 3);
-  assert_eq!(args.next().unwrap(), "one");
-  assert_eq!(args.next().unwrap(), "two");
-  assert_eq!(args.next().unwrap(), "three");
-}
diff --git a/std/wasi/testdata/std_env_vars.rs b/std/wasi/testdata/std_env_vars.rs
deleted file mode 100644
index 5c088a5fa..000000000
--- a/std/wasi/testdata/std_env_vars.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-// { "env": { "one": "1", "two": "2", "three": "3" } }
-
-fn main() {
-  let vars = std::env::vars();
-  assert_eq!(vars.count(), 3);
-}
diff --git a/std/wasi/testdata/std_fs_create_dir.rs b/std/wasi/testdata/std_fs_create_dir.rs
deleted file mode 100644
index 3ea41fd2f..000000000
--- a/std/wasi/testdata/std_fs_create_dir.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-// { "preopens": { "/scratch": "scratch" } }
-
-fn main() {
-  assert!(std::fs::create_dir("/scratch/directory").is_ok());
-  assert!(std::fs::metadata("/scratch/directory").unwrap().is_dir());
-}
diff --git a/std/wasi/testdata/std_fs_file_create.rs b/std/wasi/testdata/std_fs_file_create.rs
deleted file mode 100644
index eec1f8350..000000000
--- a/std/wasi/testdata/std_fs_file_create.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-// { "preopens": { "/scratch": "scratch" } }
-
-fn main() {
-  assert!(std::fs::File::create("/scratch/file").is_ok());
-  assert!(std::fs::metadata("/scratch/file").unwrap().is_file());
-}
diff --git a/std/wasi/testdata/std_fs_file_metadata.rs b/std/wasi/testdata/std_fs_file_metadata.rs
deleted file mode 100644
index 93149fd1c..000000000
--- a/std/wasi/testdata/std_fs_file_metadata.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-fn main() {
-  let file = std::fs::File::open("/fixture/file").unwrap();
-  let metadata = file.metadata().unwrap();
-  assert!(metadata.is_file());
-  assert!(metadata.len() == 5);
-
-  let file = std::fs::File::open("/fixture/symlink_to_file").unwrap();
-  let metadata = file.metadata().unwrap();
-  assert!(metadata.is_file());
-  assert!(metadata.len() == 5);
-
-  let file = std::fs::File::open("/fixture/directory/file").unwrap();
-  let metadata = file.metadata().unwrap();
-  assert!(metadata.is_file());
-  assert!(metadata.len() == 15);
-
-  let file = std::fs::File::open("/fixture/directory/symlink_to_file").unwrap();
-  let metadata = file.metadata().unwrap();
-  assert!(metadata.is_file());
-  assert!(metadata.len() == 15);
-}
diff --git a/std/wasi/testdata/std_fs_file_read.rs b/std/wasi/testdata/std_fs_file_read.rs
deleted file mode 100644
index 332e008f1..000000000
--- a/std/wasi/testdata/std_fs_file_read.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-use std::io::Read;
-
-fn main() {
-  let mut file = std::fs::File::open("/fixture/file").unwrap();
-  let mut buffer = [0; 2];
-
-  assert_eq!(file.read(&mut buffer).unwrap(), 2);
-  assert_eq!(&buffer, b"fi");
-
-  assert_eq!(file.read(&mut buffer).unwrap(), 2);
-  assert_eq!(&buffer, b"le");
-
-  assert_eq!(file.read(&mut buffer).unwrap(), 1);
-}
diff --git a/std/wasi/testdata/std_fs_file_seek.rs b/std/wasi/testdata/std_fs_file_seek.rs
deleted file mode 100644
index 1e2a9d7de..000000000
--- a/std/wasi/testdata/std_fs_file_seek.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-use std::io::Seek;
-
-fn main() {
-  let mut file = std::fs::File::open("/fixture/file").unwrap();
-  assert_eq!(file.seek(std::io::SeekFrom::Current(0)).unwrap(), 0);
-
-  assert_eq!(file.seek(std::io::SeekFrom::Start(1)).unwrap(), 1);
-  assert_eq!(file.seek(std::io::SeekFrom::Start(2)).unwrap(), 2);
-  assert_eq!(file.seek(std::io::SeekFrom::Start(3)).unwrap(), 3);
-  assert_eq!(file.seek(std::io::SeekFrom::Start(4)).unwrap(), 4);
-  assert_eq!(file.seek(std::io::SeekFrom::Start(5)).unwrap(), 5);
-
-  assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 4);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 3);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 2);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 1);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 0);
-
-  assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 1);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 2);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 3);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 4);
-  assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 5);
-
-  assert_eq!(file.seek(std::io::SeekFrom::End(0)).unwrap(), 5);
-  assert_eq!(file.seek(std::io::SeekFrom::End(-1)).unwrap(), 4);
-  assert_eq!(file.seek(std::io::SeekFrom::End(-2)).unwrap(), 3);
-  assert_eq!(file.seek(std::io::SeekFrom::End(-3)).unwrap(), 2);
-  assert_eq!(file.seek(std::io::SeekFrom::End(-4)).unwrap(), 1);
-  assert_eq!(file.seek(std::io::SeekFrom::End(-5)).unwrap(), 0);
-}
diff --git a/std/wasi/testdata/std_fs_file_set_len.rs b/std/wasi/testdata/std_fs_file_set_len.rs
deleted file mode 100644
index 27f1054c7..000000000
--- a/std/wasi/testdata/std_fs_file_set_len.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// { "preopens": { "/scratch": "scratch" } }
-
-fn main() {
-  let file = std::fs::File::create("/scratch/file").unwrap();
-
-  assert!(file.set_len(0).is_ok());
-  assert_eq!(file.metadata().unwrap().len(), 0);
-
-  assert!(file.set_len(5).is_ok());
-  assert_eq!(file.metadata().unwrap().len(), 5);
-
-  assert!(file.set_len(25).is_ok());
-  assert_eq!(file.metadata().unwrap().len(), 25);
-
-  assert!(file.set_len(0).is_ok());
-  assert_eq!(file.metadata().unwrap().len(), 0);
-}
diff --git a/std/wasi/testdata/std_fs_file_sync_all.rs b/std/wasi/testdata/std_fs_file_sync_all.rs
deleted file mode 100644
index bb7bb34c7..000000000
--- a/std/wasi/testdata/std_fs_file_sync_all.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// { "preopens": { "/scratch": "scratch" } }
-
-fn main() {
-  let file = std::fs::File::create("/scratch/file").unwrap();
-
-  assert!(file.set_len(5).is_ok());
-  assert!(file.sync_all().is_ok());
-  let metadata = std::fs::metadata("/scratch/file").unwrap();
-  assert_eq!(metadata.len(), 5);
-
-  assert!(file.set_len(25).is_ok());
-  assert!(file.sync_all().is_ok());
-  let metadata = std::fs::metadata("/scratch/file").unwrap();
-  assert_eq!(metadata.len(), 25);
-}
diff --git a/std/wasi/testdata/std_fs_file_sync_data.rs b/std/wasi/testdata/std_fs_file_sync_data.rs
deleted file mode 100644
index f19f8e9b7..000000000
--- a/std/wasi/testdata/std_fs_file_sync_data.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// { "preopens": { "/scratch": "scratch" } }
-
-use std::io::Write;
-
-fn main() {
-  let mut file = std::fs::File::create("/scratch/file").unwrap();
-
-  assert!(file.write(b"Hello").is_ok());
-  assert!(file.sync_data().is_ok());
-  assert_eq!(std::fs::read("/scratch/file").unwrap(), b"Hello");
-
-  assert!(file.write(b", world!").is_ok());
-  assert!(file.sync_data().is_ok());
-  assert_eq!(std::fs::read("/scratch/file").unwrap(), b"Hello, world!");
-}
diff --git a/std/wasi/testdata/std_fs_file_write.rs b/std/wasi/testdata/std_fs_file_write.rs
deleted file mode 100644
index 6e646ba1d..000000000
--- a/std/wasi/testdata/std_fs_file_write.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// { "preopens": { "/scratch": "scratch" }, "files": { "scratch/file": "file" } }
-
-use std::io::Write;
-
-fn main() {
-  let mut file = std::fs::File::create("/scratch/file").unwrap();
-  assert_eq!(file.write(b"fi").unwrap(), 2);
-  assert_eq!(file.write(b"le").unwrap(), 2);
-}
diff --git a/std/wasi/testdata/std_fs_hard_link.rs b/std/wasi/testdata/std_fs_hard_link.rs
deleted file mode 100644
index cd068f3a8..000000000
--- a/std/wasi/testdata/std_fs_hard_link.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-// { "preopens": { "/fixture": "fixture", "/scratch": "scratch" } }
-
-fn main() {
-  assert!(
-    std::fs::hard_link("/fixture/file", "/scratch/hardlink_to_file").is_ok()
-  );
-  assert_eq!(
-    std::fs::read("/fixture/file").unwrap(),
-    std::fs::read("/scratch/hardlink_to_file").unwrap()
-  );
-}
diff --git a/std/wasi/testdata/std_fs_metadata.rs b/std/wasi/testdata/std_fs_metadata.rs
deleted file mode 100644
index d77ea2ae2..000000000
--- a/std/wasi/testdata/std_fs_metadata.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-fn main() {
-  let metadata = std::fs::metadata("/fixture/directory").unwrap();
-  assert!(metadata.is_dir());
-
-  let metadata = std::fs::metadata("/fixture/symlink_to_directory").unwrap();
-  assert!(metadata.is_dir());
-
-  let metadata = std::fs::metadata("/fixture/file").unwrap();
-  assert!(metadata.is_file());
-  assert_eq!(metadata.len(), 5);
-
-  let metadata = std::fs::metadata("/fixture/symlink_to_file").unwrap();
-  assert!(metadata.is_file());
-  assert_eq!(metadata.len(), 5);
-
-  let metadata = std::fs::metadata("/fixture/directory/file").unwrap();
-  assert!(metadata.is_file());
-  assert_eq!(metadata.len(), 15);
-
-  let metadata =
-    std::fs::metadata("/fixture/directory/symlink_to_file").unwrap();
-  assert!(metadata.is_file());
-  assert_eq!(metadata.len(), 15);
-}
diff --git a/std/wasi/testdata/std_fs_read.rs b/std/wasi/testdata/std_fs_read.rs
deleted file mode 100644
index aa19d3ba4..000000000
--- a/std/wasi/testdata/std_fs_read.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-fn main() {
-  assert_eq!(std::fs::read("/fixture/file").unwrap(), b"file\n");
-  assert_eq!(
-    std::fs::read("/fixture/symlink_to_file").unwrap(),
-    b"file\n"
-  );
-  assert_eq!(
-    std::fs::read("/fixture/directory/file").unwrap(),
-    b"directory/file\n"
-  );
-  assert_eq!(
-    std::fs::read("/fixture/directory/symlink_to_file").unwrap(),
-    b"directory/file\n"
-  );
-}
diff --git a/std/wasi/testdata/std_fs_read_dir.rs b/std/wasi/testdata/std_fs_read_dir.rs
deleted file mode 100644
index ad8b70c72..000000000
--- a/std/wasi/testdata/std_fs_read_dir.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-fn main() {
-  let entries = std::fs::read_dir("/fixture").unwrap();
-  assert_eq!(entries.count(), 4);
-
-  let entries = std::fs::read_dir("/fixture/directory").unwrap();
-  assert_eq!(entries.count(), 2);
-}
diff --git a/std/wasi/testdata/std_fs_rename.rs b/std/wasi/testdata/std_fs_rename.rs
deleted file mode 100644
index 53688eecb..000000000
--- a/std/wasi/testdata/std_fs_rename.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-// { "preopens": { "/scratch": "scratch" } }
-
-fn main() {
-  let old_path = "/scratch/old_file";
-  let new_path = "/scratch/new_file";
-
-  assert!(std::fs::write(old_path, b"Hello, world!").is_ok());
-  assert!(std::fs::rename(old_path, new_path).is_ok());
-  assert!(std::fs::read(old_path).is_err());
-  assert_eq!(std::fs::read(new_path).unwrap(), b"Hello, world!");
-}
diff --git a/std/wasi/testdata/std_fs_symlink_metadata.rs b/std/wasi/testdata/std_fs_symlink_metadata.rs
deleted file mode 100644
index 1b71fd5e0..000000000
--- a/std/wasi/testdata/std_fs_symlink_metadata.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// { "preopens": { "/fixture": "fixture" } }
-
-fn main() {
-  let metadata = std::fs::symlink_metadata("/fixture/directory").unwrap();
-  assert!(metadata.file_type().is_dir());
-
-  let metadata =
-    std::fs::symlink_metadata("/fixture/symlink_to_directory").unwrap();
-  assert!(metadata.file_type().is_symlink());
-
-  let metadata = std::fs::symlink_metadata("/fixture/file").unwrap();
-  assert!(metadata.file_type().is_file());
-
-  let metadata = std::fs::symlink_metadata("/fixture/symlink_to_file").unwrap();
-  assert!(metadata.file_type().is_symlink());
-
-  let metadata = std::fs::symlink_metadata("/fixture/directory/file").unwrap();
-  assert!(metadata.file_type().is_file());
-
-  let metadata =
-    std::fs::symlink_metadata("/fixture/directory/symlink_to_file").unwrap();
-  assert!(metadata.file_type().is_symlink());
-}
diff --git a/std/wasi/testdata/std_fs_write.rs b/std/wasi/testdata/std_fs_write.rs
deleted file mode 100644
index 91f8ca160..000000000
--- a/std/wasi/testdata/std_fs_write.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-// { "preopens": { "/scratch": "scratch" }, "files": { "scratch/file": "file" } }
-
-fn main() {
-  assert!(std::fs::write("/scratch/file", b"file").is_ok())
-}
diff --git a/std/wasi/testdata/std_io_stderr.rs b/std/wasi/testdata/std_io_stderr.rs
deleted file mode 100644
index 8e1dee30e..000000000
--- a/std/wasi/testdata/std_io_stderr.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-// { "stderr": "Hello, stderr!" }
-
-use std::io::Write;
-
-fn main() {
-  assert!(std::io::stderr().write_all(b"Hello, stderr!").is_ok())
-}
diff --git a/std/wasi/testdata/std_io_stdin.rs b/std/wasi/testdata/std_io_stdin.rs
deleted file mode 100644
index 170d575c5..000000000
--- a/std/wasi/testdata/std_io_stdin.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-// { "stdin": "Hello, stdin!" }
-
-use std::io::Read;
-
-fn main() {
-  let mut buffer = String::new();
-  assert!(std::io::stdin().read_to_string(&mut buffer).is_ok());
-  assert_eq!(buffer, "Hello, stdin!")
-}
diff --git a/std/wasi/testdata/std_io_stdout.rs b/std/wasi/testdata/std_io_stdout.rs
deleted file mode 100644
index 3c9058a0d..000000000
--- a/std/wasi/testdata/std_io_stdout.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-// { "stdout": "Hello, stdout!" }
-
-use std::io::Write;
-
-fn main() {
-  assert!(std::io::stdout().write_all(b"Hello, stdout!").is_ok())
-}
diff --git a/std/wasi/testdata/std_process_exit.rs b/std/wasi/testdata/std_process_exit.rs
deleted file mode 100644
index 0a0287c54..000000000
--- a/std/wasi/testdata/std_process_exit.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-// { "exitCode": "120" }
-
-fn main() {
-  std::process::exit(120);
-}