From 73ae38539fdd5ae6e1f353300c2448f9b95bfe2a Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Tue, 15 Jul 2025 14:25:45 -0300
Subject: tests/paca.mjs (test_escapingStateStep): Add tests for
 `escapingStateStep()`

---
 tests/paca.mjs | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tests/paca.mjs b/tests/paca.mjs
index 2c44f9e..539abf6 100644
--- a/tests/paca.mjs
+++ b/tests/paca.mjs
@@ -5,6 +5,7 @@ import {
 	ValueError,
 	ConcatStep,
 	numFromDigits,
+	escapingStateStep,
 	rangeStateStep,
 	classStateStep,
 	TRANSITION_FNS,
@@ -62,6 +63,40 @@ const test_numFromDigits = t => {
 	});
 };
 
+const test_escapingStateStep = t => {
+	t.start("escapingStateStep()");
+
+	t.testing("add a concat when applicable", () => {
+		const given = escapingStateStep(
+			{ out: [ 1, 2, 3 ] },
+			"a",
+			null,
+			"b",
+		);
+		const expected = {
+			out:     [ 1, 2, 3, "a", { operator: "concat" } ],
+			state:   "accepting",
+			context: undefined,
+		};
+		t.assertEq(given, expected);
+	});
+
+	t.testing("without a concat when not applicable", () => {
+		const given = escapingStateStep(
+			{ out: [ 1, 2, 3 ] },
+			"a",
+			null,
+			")",
+		);
+		const expected = {
+			out:     [ 1, 2, 3, "a" ],
+			state:   "accepting",
+			context: undefined,
+		};
+		t.assertEq(given, expected);
+	});
+};
+
 const test_rangeStateStep = t => {
 	t.start("rangeStateStep()");
 
@@ -2782,6 +2817,7 @@ const test_compile = t => {
 
 runTests([
 	test_numFromDigits,
+	test_escapingStateStep,
 	test_rangeStateStep,
 	test_classStateStep,
 	test_TRANSITION_FNS,
-- 
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