1 files changed, 179 insertions, 0 deletions
diff --git a/cli/js/form_data_test.ts b/cli/js/form_data_test.ts
new file mode 100644
index 000000000..fe8b6cf32
--- /dev/null
+++ b/cli/js/form_data_test.ts
@@ -0,0 +1,179 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { test, assert, assertEquals } from "./test_util.ts";
+
+test(function formDataHasCorrectNameProp(): void {
+  assertEquals(FormData.name, "FormData");
+});
+
+test(function formDataParamsAppendSuccess(): void {
+  const formData = new FormData();
+  formData.append("a", "true");
+  assertEquals(formData.get("a"), "true");
+});
+
+test(function formDataParamsDeleteSuccess(): void {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  assertEquals(formData.get("b"), "false");
+  formData.delete("b");
+  assertEquals(formData.get("a"), "true");
+  assertEquals(formData.get("b"), null);
+});
+
+test(function formDataParamsGetAllSuccess(): void {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  formData.append("a", "null");
+  assertEquals(formData.getAll("a"), ["true", "null"]);
+  assertEquals(formData.getAll("b"), ["false"]);
+  assertEquals(formData.getAll("c"), []);
+});
+
+test(function formDataParamsGetSuccess(): void {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  formData.append("a", "null");
+  formData.append("d", undefined);
+  formData.append("e", null);
+  assertEquals(formData.get("a"), "true");
+  assertEquals(formData.get("b"), "false");
+  assertEquals(formData.get("c"), null);
+  assertEquals(formData.get("d"), "undefined");
+  assertEquals(formData.get("e"), "null");
+});
+
+test(function formDataParamsHasSuccess(): void {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  assert(formData.has("a"));
+  assert(formData.has("b"));
+  assert(!formData.has("c"));
+});
+
+test(function formDataParamsSetSuccess(): void {
+  const formData = new FormData();
+  formData.append("a", "true");
+  formData.append("b", "false");
+  formData.append("a", "null");
+  assertEquals(formData.getAll("a"), ["true", "null"]);
+  assertEquals(formData.getAll("b"), ["false"]);
+  formData.set("a", "false");
+  assertEquals(formData.getAll("a"), ["false"]);
+  formData.set("d", undefined);
+  assertEquals(formData.get("d"), "undefined");
+  formData.set("e", null);
+  assertEquals(formData.get("e"), "null");
+});
+
+test(function formDataSetEmptyBlobSuccess(): void {
+  const formData = new FormData();
+  formData.set("a", new Blob([]), "blank.txt");
+  formData.get("a");
+  /* TODO Fix this test.
+  assert(file instanceof File);
+  if (typeof file !== "string") {
+    assertEquals(file.name, "blank.txt");
+  }
+  */
+});
+
+test(function formDataParamsForEachSuccess(): void {
+  const init = [["a", "54"], ["b", "true"]];
+  const formData = new FormData();
+  for (const [name, value] of init) {
+    formData.append(name, value);
+  }
+  let callNum = 0;
+  formData.forEach(
+    (value, key, parent): void => {
+      assertEquals(formData, parent);
+      assertEquals(value, init[callNum][1]);
+      assertEquals(key, init[callNum][0]);
+      callNum++;
+    }
+  );
+  assertEquals(callNum, init.length);
+});
+
+test(function formDataParamsArgumentsCheck(): void {
+  const methodRequireOneParam = ["delete", "getAll", "get", "has", "forEach"];
+
+  const methodRequireTwoParams = ["append", "set"];
+
+  methodRequireOneParam.forEach(
+    (method): void => {
+      const formData = new FormData();
+      let hasThrown = 0;
+      let errMsg = "";
+      try {
+        formData[method]();
+        hasThrown = 1;
+      } catch (err) {
+        errMsg = err.message;
+        if (err instanceof TypeError) {
+          hasThrown = 2;
+        } else {
+          hasThrown = 3;
+        }
+      }
+      assertEquals(hasThrown, 2);
+      assertEquals(
+        errMsg,
+        `FormData.${method} requires at least 1 argument, but only 0 present`
+      );
+    }
+  );
+
+  methodRequireTwoParams.forEach(
+    (method: string): void => {
+      const formData = new FormData();
+      let hasThrown = 0;
+      let errMsg = "";
+
+      try {
+        formData[method]();
+        hasThrown = 1;
+      } catch (err) {
+        errMsg = err.message;
+        if (err instanceof TypeError) {
+          hasThrown = 2;
+        } else {
+          hasThrown = 3;
+        }
+      }
+      assertEquals(hasThrown, 2);
+      assertEquals(
+        errMsg,
+        `FormData.${method} requires at least 2 arguments, but only 0 present`
+      );
+
+      hasThrown = 0;
+      errMsg = "";
+      try {
+        formData[method]("foo");
+        hasThrown = 1;
+      } catch (err) {
+        errMsg = err.message;
+        if (err instanceof TypeError) {
+          hasThrown = 2;
+        } else {
+          hasThrown = 3;
+        }
+      }
+      assertEquals(hasThrown, 2);
+      assertEquals(
+        errMsg,
+        `FormData.${method} requires at least 2 arguments, but only 1 present`
+      );
+    }
+  );
+});
+
+test(function toStringShouldBeWebCompatibility(): void {
+  const formData = new FormData();
+  assertEquals(formData.toString(), "[object FormData]");
+});