From 204563751ed907cd507d3a1a2f48bd8c22b5bb97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Sun, 23 Apr 2023 19:35:58 +0300
Subject: [PATCH] rust: Add unit test for transitive rust dependencies

---
 .../rust/20 transitive dependencies/liba/lib.rs      |  3 +++
 .../rust/20 transitive dependencies/liba/meson.build |  5 +++++
 .../rust/20 transitive dependencies/libb/lib.rs      |  3 +++
 .../rust/20 transitive dependencies/libb/meson.build |  6 ++++++
 test cases/rust/20 transitive dependencies/main.rs   |  3 +++
 .../rust/20 transitive dependencies/meson.build      | 12 ++++++++++++
 6 files changed, 32 insertions(+)
 create mode 100644 test cases/rust/20 transitive dependencies/liba/lib.rs
 create mode 100644 test cases/rust/20 transitive dependencies/liba/meson.build
 create mode 100644 test cases/rust/20 transitive dependencies/libb/lib.rs
 create mode 100644 test cases/rust/20 transitive dependencies/libb/meson.build
 create mode 100644 test cases/rust/20 transitive dependencies/main.rs
 create mode 100644 test cases/rust/20 transitive dependencies/meson.build

diff --git a/test cases/rust/20 transitive dependencies/liba/lib.rs b/test cases/rust/20 transitive dependencies/liba/lib.rs
new file mode 100644
index 000000000..0fc8ce55f
--- /dev/null
+++ b/test cases/rust/20 transitive dependencies/liba/lib.rs	
@@ -0,0 +1,3 @@
+pub fn foo() -> i32 {
+    123
+}
diff --git a/test cases/rust/20 transitive dependencies/liba/meson.build b/test cases/rust/20 transitive dependencies/liba/meson.build
new file mode 100644
index 000000000..b32822db9
--- /dev/null
+++ b/test cases/rust/20 transitive dependencies/liba/meson.build	
@@ -0,0 +1,5 @@
+liba = static_library('liba', 'lib.rs',
+  rust_crate_type : 'rlib',
+)
+
+liba_dep = declare_dependency(link_with : liba)
diff --git a/test cases/rust/20 transitive dependencies/libb/lib.rs b/test cases/rust/20 transitive dependencies/libb/lib.rs
new file mode 100644
index 000000000..e97463b92
--- /dev/null
+++ b/test cases/rust/20 transitive dependencies/libb/lib.rs	
@@ -0,0 +1,3 @@
+pub fn bar() -> i32 {
+    2 * liba::foo()
+}
diff --git a/test cases/rust/20 transitive dependencies/libb/meson.build b/test cases/rust/20 transitive dependencies/libb/meson.build
new file mode 100644
index 000000000..67947e73a
--- /dev/null
+++ b/test cases/rust/20 transitive dependencies/libb/meson.build	
@@ -0,0 +1,6 @@
+libb = static_library('libb', 'lib.rs',
+  rust_crate_type : 'rlib',
+  dependencies : [liba_dep],
+)
+
+libb_dep = declare_dependency(link_with : libb)
diff --git a/test cases/rust/20 transitive dependencies/main.rs b/test cases/rust/20 transitive dependencies/main.rs
new file mode 100644
index 000000000..4b248456c
--- /dev/null
+++ b/test cases/rust/20 transitive dependencies/main.rs	
@@ -0,0 +1,3 @@
+fn main() {
+    println!("{}", libb::bar());
+}
diff --git a/test cases/rust/20 transitive dependencies/meson.build b/test cases/rust/20 transitive dependencies/meson.build
new file mode 100644
index 000000000..2f378f88f
--- /dev/null
+++ b/test cases/rust/20 transitive dependencies/meson.build	
@@ -0,0 +1,12 @@
+project('transitive dependencies', 'rust',
+  version : '1.0.0',
+  meson_version : '>= 1.0.0',
+  default_options : ['rust_std=2018'],
+)
+
+subdir('liba')
+subdir('libb')
+
+main = executable('main', 'main.rs',
+  dependencies : [libb_dep],
+)