From dc4ab1d9340a58f81beab24ef211e900acbb9ad8 Mon Sep 17 00:00:00 2001
From: Ben Heidemann <56122437+bcheidemann@users.noreply.github.com>
Date: Tue, 26 Apr 2022 12:04:28 +0100
Subject: feat(ext/console): Compact empty iterables when calling Deno.inspect
 with compact false (#14387)

---
 cli/tests/unit/console_test.ts | 65 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

(limited to 'cli/tests')

diff --git a/cli/tests/unit/console_test.ts b/cli/tests/unit/console_test.ts
index 39baaf1a3..4601281ff 100644
--- a/cli/tests/unit/console_test.ts
+++ b/cli/tests/unit/console_test.ts
@@ -1939,6 +1939,71 @@ Deno.test(function inspectColors() {
   assertStringIncludes(Deno.inspect(1, { colors: true }), "\x1b[");
 });
 
+Deno.test(function inspectEmptyArray() {
+  const arr: string[] = [];
+
+  assertEquals(
+    Deno.inspect(arr, {
+      compact: false,
+      trailingComma: true,
+    }),
+    "[\n]",
+  );
+});
+
+Deno.test(function inspectDeepEmptyArray() {
+  const obj = {
+    arr: [],
+  };
+
+  assertEquals(
+    Deno.inspect(obj, {
+      compact: false,
+      trailingComma: true,
+    }),
+    `{
+  arr: [
+  ],
+}`,
+  );
+});
+
+Deno.test(function inspectEmptyMap() {
+  const map = new Map();
+
+  assertEquals(
+    Deno.inspect(map, {
+      compact: false,
+      trailingComma: true,
+    }),
+    "Map {\n}",
+  );
+});
+
+Deno.test(function inspectEmptyMap() {
+  const set = new Set();
+
+  assertEquals(
+    Deno.inspect(set, {
+      compact: false,
+      trailingComma: true,
+    }),
+    "Set {\n}",
+  );
+});
+
+Deno.test(function inspectEmptyMap() {
+  const typedArray = new Uint8Array(0);
+
+  assertEquals(
+    Deno.inspect(typedArray, {
+      compact: false,
+      trailingComma: true,
+    }),
+    "Uint8Array(0) [\n]",
+  );
+});
+
 Deno.test(function inspectStringAbbreviation() {
   const LONG_STRING =
     "This is a really long string which will be abbreviated with ellipsis.";
-- 
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