From 79721bda16ed9a941a714f1cdb1db9b1cf40316c Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 3 Jul 2026 14:49:47 +0100
Subject: Add upperCamelCaseToSnakeCase()

---
 .../org/zwobble/hobgoblin/compiler/util/CasingTests.java   | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/test')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/util/CasingTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/util/CasingTests.java
index 5893335..4d8c9c4 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/util/CasingTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/util/CasingTests.java
@@ -49,4 +49,18 @@ public class CasingTests {
 
         assertThat(result, equalTo(expectedUpperCase));
     }
+
+    @ParameterizedTest
+    @CsvSource({
+        "A,a",
+        "Abc,abc",
+        "AbcDef,abc_def",
+        "AbDeFg,ab_de_fg",
+        "A0,a_0",
+    })
+    public void upperCamelCaseToSnakeCase(String lowerCamelCase, String expectedUpperCase) {
+        var result = Casing.upperCamelCaseToSnakeCase(lowerCamelCase);
+
+        assertThat(result, equalTo(expectedUpperCase));
+    }
 }
-- 
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