Enable running tests with resources for the androidHostTest sourceset, specifically HintIndexerTest. Replace non-null assertion with exception throw, to precisely identify test resource errors.

quartz/src/androidHostTest/kotlin/com/vitorpamplona/quartz/TestResourceLoader.android.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz
+
+actual class TestResourceLoader {
+    actual fun loadString(file: String): String =
+        this@TestResourceLoader
+            .javaClass.classLoader
+            ?.getResourceAsStream(file)
+            ?.bufferedReader()
+            ?.use { it.readText() } ?: throw IllegalArgumentException("Resource not found: $file")
+}

quartz/src/jvmTest/java/com/vitorpamplona/quartz/TestResourceLoader.kt

@@ -23,8 +23,8 @@ package com.vitorpamplona.quartz
 actual class TestResourceLoader {
     actual fun loadString(file: String): String =
         this@TestResourceLoader
-            .javaClass.classLoader!!
-            .getResourceAsStream(file)
-            .bufferedReader()
-            .use { it.readText() }
+            .javaClass.classLoader
+            ?.getResourceAsStream(file)
+            ?.bufferedReader()
+            ?.use { it.readText() } ?: throw IllegalArgumentException("Resource not found: $file")
 }