From b26ba76221fba2b48d86809b14457fde2029f454 Mon Sep 17 00:00:00 2001
From: Helium314 <helium314@mailbox.org>
Date: Wed, 26 Mar 2025 20:57:54 +0100
Subject: [PATCH] add test related to GH-1408

---
 .../keyboard/latin/StringUtilsTest.kt         | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/app/src/test/java/helium314/keyboard/latin/StringUtilsTest.kt b/app/src/test/java/helium314/keyboard/latin/StringUtilsTest.kt
index e2bf6adb..c7339d04 100644
--- a/app/src/test/java/helium314/keyboard/latin/StringUtilsTest.kt
+++ b/app/src/test/java/helium314/keyboard/latin/StringUtilsTest.kt
@@ -1,12 +1,23 @@
 // SPDX-License-Identifier: GPL-3.0-only
 package helium314.keyboard.latin
 
+import androidx.test.core.app.ApplicationProvider
+import helium314.keyboard.ShadowInputMethodManager2
 import helium314.keyboard.latin.common.StringUtils
 import helium314.keyboard.latin.common.getFullEmojiAtEnd
+import helium314.keyboard.latin.common.nonWordCodePointAndNoSpaceBeforeCursor
+import helium314.keyboard.latin.settings.SpacingAndPunctuations
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
 // todo: actually this test could/should be significantly expanded...
+@RunWith(RobolectricTestRunner::class)
+@Config(shadows = [
+    ShadowInputMethodManager2::class,
+])
 class StringUtilsTest {
     @Test fun `not inside double quotes without quotes`() {
         assert(!StringUtils.isInsideDoubleQuoteOrAfterDigit("hello yes"))
@@ -41,6 +52,14 @@ class StringUtilsTest {
         assert(StringUtils.isInsideDoubleQuoteOrAfterDigit("hello \"yes\", \"h"))
     }
 
+    @Test fun `non-word codepoints and no space`() {
+        val sp = SpacingAndPunctuations(ApplicationProvider.getApplicationContext<App>().resources, false)
+        assert(!nonWordCodePointAndNoSpaceBeforeCursor("this is", sp))
+        assert(!nonWordCodePointAndNoSpaceBeforeCursor("this ", sp))
+        assert(!nonWordCodePointAndNoSpaceBeforeCursor("th.is ", sp))
+        assert(nonWordCodePointAndNoSpaceBeforeCursor("th.is", sp))
+    }
+
     @Test fun detectEmojisAtEnd() {
         assertEquals("", getFullEmojiAtEnd("\uD83C\uDF83 "))
         assertEquals("", getFullEmojiAtEnd("a"))