1 files changed, 62 insertions, 0 deletions

diff --git a/tests/js/escape.mjs b/tests/js/escape.mjs
new file mode 100644
index 0000000..2cad16a
--- /dev/null
+++ b/tests/js/escape.mjs
@@ -0,0 +1,62 @@
+import assert from "node:assert/strict";
+import { runTests } from "../runner.mjs";
+import { escape } from "../../src/escape.mjs";
+
+const test_escape = t => {
+	t.start("escape()");
+
+	t.test("numbers", () => {
+		assert.equal(escape(0),  "0");
+		assert.equal(escape(42), "42");
+		assert.equal(escape(-1), "-1");
+	});
+
+	t.test("object", () => {
+		assert.equal(escape({}),         "[object Object]");
+		assert.equal(escape({ k: "v" }), "[object Object]");
+	});
+
+	t.test("string with special chars", () => {
+		assert.strictEqual(escape(`"`),        """);
+		assert.strictEqual(escape(`"bar`),     ""bar");
+		assert.strictEqual(escape(`foo"`),     "foo"");
+		assert.strictEqual(escape(`foo"bar`),  "foo"bar");
+		assert.strictEqual(escape(`foo""bar`), "foo""bar");
+
+		assert.strictEqual(escape("&"),        "&");
+		assert.strictEqual(escape("&bar"),     "&bar");
+		assert.strictEqual(escape("foo&"),     "foo&");
+		assert.strictEqual(escape("foo&bar"),  "foo&bar");
+		assert.strictEqual(escape("foo&&bar"), "foo&&bar");
+
+		assert.strictEqual(escape("'"),        "'");
+		assert.strictEqual(escape("'bar"),     "'bar");
+		assert.strictEqual(escape("foo'"),     "foo'");
+		assert.strictEqual(escape("foo'bar"),  "foo'bar");
+		assert.strictEqual(escape("foo''bar"), "foo''bar");
+
+		assert.strictEqual(escape("<"),        "&lt;");
+		assert.strictEqual(escape("<bar"),     "&lt;bar");
+		assert.strictEqual(escape("foo<"),     "foo&lt;");
+		assert.strictEqual(escape("foo<bar"),  "foo&lt;bar");
+		assert.strictEqual(escape("foo<<bar"), "foo&lt;&lt;bar");
+
+		assert.strictEqual(escape(">"),        "&gt;");
+		assert.strictEqual(escape(">bar"),     "&gt;bar");
+		assert.strictEqual(escape("foo>"),     "foo&gt;");
+		assert.strictEqual(escape("foo>bar"),  "foo&gt;bar");
+		assert.strictEqual(escape("foo>>bar"), "foo&gt;&gt;bar");
+	});
+
+	t.test("the combination of all special characters", () => {
+		assert.strictEqual(	
+			escape(`foo, "bar", 'baz' & <quux>`),
+			"foo, &quot;bar&quot;, &#39;baz&#39; &amp; &lt;quux&gt;",
+		);
+	});
+};
+
+
+await runTests([
+	test_escape,
+]);