From 5c049a9e11608be583ddc7090b79167140adeaad Mon Sep 17 00:00:00 2001
From: Vivien Tintillier <vtintillier.privatedev@gmail.com>
Date: Thu, 11 Jan 2024 22:02:11 +0000
Subject: [PATCH] add test

---
 .../properties/SystemPropertiesTest.java      |  3 +--
 .../jupiter/SystemStubsExtensionTest.java     | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/system-stubs-core/src/test/java/uk/org/webcompere/systemstubs/properties/SystemPropertiesTest.java b/system-stubs-core/src/test/java/uk/org/webcompere/systemstubs/properties/SystemPropertiesTest.java
index 58a83ae..33feaad 100644
--- a/system-stubs-core/src/test/java/uk/org/webcompere/systemstubs/properties/SystemPropertiesTest.java
+++ b/system-stubs-core/src/test/java/uk/org/webcompere/systemstubs/properties/SystemPropertiesTest.java
@@ -147,8 +147,7 @@ void settingAfterPreDeleteAlsoWorks() throws Exception {
             properties.set("bar", "h");
             assertThat(System.getProperty("bar")).isEqualTo("h");
 
-            SystemProperties nested = new SystemProperties();
-            nested.remove("bar");
+            SystemProperties nested = new SystemProperties().remove("bar");
             nested.execute(() -> {
                 nested.set("bar", "bong");
                 assertThat(System.getProperty("bar")).isEqualTo("bong");
diff --git a/system-stubs-jupiter/src/test/java/uk/org/webcompere/systemstubs/jupiter/SystemStubsExtensionTest.java b/system-stubs-jupiter/src/test/java/uk/org/webcompere/systemstubs/jupiter/SystemStubsExtensionTest.java
index 46f6fa9..f3719fc 100644
--- a/system-stubs-jupiter/src/test/java/uk/org/webcompere/systemstubs/jupiter/SystemStubsExtensionTest.java
+++ b/system-stubs-jupiter/src/test/java/uk/org/webcompere/systemstubs/jupiter/SystemStubsExtensionTest.java
@@ -43,6 +43,29 @@ void method3_hasCleanPropertiesAndEnvironment() {
         }
     }
 
+    @ExtendWith(SystemStubsExtension.class)
+    @Nested
+    class SystemPropertiesAsParentClass {
+
+        @SystemStub
+        private SystemProperties systemProperties = new WithDefaultsSystemProperties()
+            .set("key1", "value3");
+
+        @Test
+        void defaultValuesAreSet() {
+            assertThat(System.getProperty("key1")).isEqualTo("value3");
+            assertThat(System.getProperty("key2")).isEqualTo("value2");
+        }
+    }
+
+    private static class WithDefaultsSystemProperties extends SystemProperties {
+
+        WithDefaultsSystemProperties() {
+            super("key1", "value1");
+            this.set("key2", "value2");
+        }
+    }
+
     @ExtendWith(SystemStubsExtension.class)
     @Nested
     class FieldWithoutAnnotation {