From 87788353cc1cae7ee3b6f47d5f0f7a46df11d75e Mon Sep 17 00:00:00 2001
From: Alex Neundorf <neundorf@kde.org>
Date: Fri, 30 Jun 2023 22:21:43 +0200
Subject: source_group: Add test/example for TREE without FILES

This creates an additional target and for its three source files
a directory tree is created.
---
 Tests/SourceGroups/CMakeLists.txt      |  2 ++
 Tests/SourceGroups/sub2/CMakeLists.txt |  4 ++++
 Tests/SourceGroups/sub2/main.c         | 11 +++++++++++
 Tests/SourceGroups/sub2/qux.c          |  4 ++++
 Tests/SourceGroups/sub2/subsub/qax.c   |  4 ++++
 5 files changed, 25 insertions(+)
 create mode 100644 Tests/SourceGroups/sub2/CMakeLists.txt
 create mode 100644 Tests/SourceGroups/sub2/main.c
 create mode 100644 Tests/SourceGroups/sub2/qux.c
 create mode 100644 Tests/SourceGroups/sub2/subsub/qax.c

diff --git a/Tests/SourceGroups/CMakeLists.txt b/Tests/SourceGroups/CMakeLists.txt
index d726395..550fe9e 100644
--- a/Tests/SourceGroups/CMakeLists.txt
+++ b/Tests/SourceGroups/CMakeLists.txt
@@ -63,3 +63,5 @@ add_executable(SourceGroups main.c bar.c foo.c sub1/foo.c sub1/foobar.c baz.c
                             ${tree_files_with_prefix} ${tree_files_without_prefix}
                             ${tree_files_with_empty_prefix} README.txt
                             nested.c)
+
+add_subdirectory(sub2)
diff --git a/Tests/SourceGroups/sub2/CMakeLists.txt b/Tests/SourceGroups/sub2/CMakeLists.txt
new file mode 100644
index 0000000..e457bc4
--- /dev/null
+++ b/Tests/SourceGroups/sub2/CMakeLists.txt
@@ -0,0 +1,4 @@
+add_executable(SourceGroups2 main.c
+                             qux.c subsub/qax.c)
+
+source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}" ) #PREFIX TheSubDir2 )
diff --git a/Tests/SourceGroups/sub2/main.c b/Tests/SourceGroups/sub2/main.c
new file mode 100644
index 0000000..4cd8ae0
--- /dev/null
+++ b/Tests/SourceGroups/sub2/main.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+extern int qax(void);
+extern int qux(void);
+
+int main()
+{
+  printf("qux: %d qax: %d\n", qux(), qax());
+
+  return 0;
+}
diff --git a/Tests/SourceGroups/sub2/qux.c b/Tests/SourceGroups/sub2/qux.c
new file mode 100644
index 0000000..1a8b6f9
--- /dev/null
+++ b/Tests/SourceGroups/sub2/qux.c
@@ -0,0 +1,4 @@
+int qux(void)
+{
+  return 1234;
+}
diff --git a/Tests/SourceGroups/sub2/subsub/qax.c b/Tests/SourceGroups/sub2/subsub/qax.c
new file mode 100644
index 0000000..c1b1042
--- /dev/null
+++ b/Tests/SourceGroups/sub2/subsub/qax.c
@@ -0,0 +1,4 @@
+int qax(void)
+{
+  return 123;
+}
-- 
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