1 files changed, 124 insertions, 0 deletions
diff --git a/test/js/deno/fetch/file.test.ts b/test/js/deno/fetch/file.test.ts
new file mode 100644
index 000000000..a74cabc64
--- /dev/null
+++ b/test/js/deno/fetch/file.test.ts
@@ -0,0 +1,124 @@
+// Copyright 2018+ the Deno authors. All rights reserved. MIT license.
+// https://raw.githubusercontent.com/denoland/deno/main/cli/tests/unit/file_test.ts
+import { assert, assertEquals } from "deno:harness";
+function testFirstArgument(arg1: any[], expectedSize: number) {
+    const file = new File(arg1, "name");
+    assert(file instanceof File);
+    assertEquals(file.name, "name");
+    assertEquals(file.size, expectedSize);
+    assertEquals(file.type, "");
+}
+Deno.test(function fileEmptyFileBits() {
+    testFirstArgument([], 0);
+});
+Deno.test(function fileStringFileBits() {
+    testFirstArgument([
+        "bits"
+    ], 4);
+});
+Deno.test(function fileUnicodeStringFileBits() {
+    testFirstArgument([
+        "𝓽𝓮𝔁𝓽"
+    ], 16);
+});
+Deno.test(function fileStringObjectFileBits() {
+    testFirstArgument([
+        new String("string object")
+    ], 13);
+});
+Deno.test(function fileEmptyBlobFileBits() {
+    testFirstArgument([
+        new Blob()
+    ], 0);
+});
+Deno.test(function fileBlobFileBits() {
+    testFirstArgument([
+        new Blob([
+            "bits"
+        ])
+    ], 4);
+});
+Deno.test(function fileEmptyFileFileBits() {
+    testFirstArgument([
+        new File([], "world.txt")
+    ], 0);
+});
+Deno.test(function fileFileFileBits() {
+    testFirstArgument([
+        new File([
+            "bits"
+        ], "world.txt")
+    ], 4);
+});
+Deno.test(function fileArrayBufferFileBits() {
+    testFirstArgument([
+        new ArrayBuffer(8)
+    ], 8);
+});
+Deno.test(function fileTypedArrayFileBits() {
+    testFirstArgument([
+        new Uint8Array([
+            0x50,
+            0x41,
+            0x53,
+            0x53
+        ])
+    ], 4);
+});
+Deno.test(function fileVariousFileBits() {
+    testFirstArgument([
+        "bits",
+        new Blob([
+            "bits"
+        ]),
+        new Blob(),
+        new Uint8Array([
+            0x50,
+            0x41
+        ]),
+        new Uint16Array([
+            0x5353
+        ]),
+        new Uint32Array([
+            0x53534150
+        ])
+    ], 16);
+});
+Deno.test(function fileNumberInFileBits() {
+    testFirstArgument([
+        12
+    ], 2);
+});
+Deno.test(function fileArrayInFileBits() {
+    testFirstArgument([
+        [
+            1,
+            2,
+            3
+        ]
+    ], 5);
+});
+Deno.test(function fileObjectInFileBits() {
+    testFirstArgument([
+        {}
+    ], 15);
+});
+function testSecondArgument(arg2: any, expectedFileName: string) {
+    const file = new File([
+        "bits"
+    ], arg2);
+    assert(file instanceof File);
+    assertEquals(file.name, expectedFileName);
+}
+Deno.test(function fileUsingFileName() {
+    testSecondArgument("dummy", "dummy");
+});
+Deno.test(function fileUsingNullFileName() {
+    testSecondArgument(null, "null");
+});
+Deno.test(function fileUsingNumberFileName() {
+    testSecondArgument(1, "1");
+});
+Deno.test(function fileUsingEmptyStringFileName() {
+    testSecondArgument("", "");
+});