fix(c++ modules) fix xmake not updating module mapper when module file is removed

3 files changed, 41 insertions, 0 deletions

diff --git a/tests/projects/c++/modules/add_move_remove_module/src/foo.mpp b/tests/projects/c++/modules/add_move_remove_module/src/foo.mpp
new file mode 100644
index 000000000..fb1e52d3f
--- /dev/null
+++ b/tests/projects/c++/modules/add_move_remove_module/src/foo.mpp
@@ -0,0 +1,5 @@
+export module foo;
+
+export {
+   inline int foo() { return 1; }
+}
diff --git a/tests/projects/c++/modules/add_move_remove_module/test.lua b/tests/projects/c++/modules/add_move_remove_module/test.lua
new file mode 100644
index 000000000..627688f6c
--- /dev/null
+++ b/tests/projects/c++/modules/add_move_remove_module/test.lua
@@ -0,0 +1,28 @@
+inherit(".test_base")
+import("utils.ci.is_running", {alias = "ci_is_running"})
+
+CLANG_MIN_VER = is_subhost("windows") and "19" or "17"
+GCC_MIN_VER = "11"
+MSVC_MIN_VER = "14.29"
+
+function _build(check_outdata)
+    local flags = ""
+    if ci_is_running() then
+     flags = "-vD"
+    end
+    os.run("xmake -r " .. flags)
+    io.writefile("src/bar.mpp", "export module bar;\n export {\n inline int bar() { return 0; }\n}")
+    os.run("xmake " .. flags)
+    os.rm("src/bar.mpp")
+    os.run("xmake " .. flags)
+    os.mv("src/foo.mpp", "src/bar.mpp")
+    os.run("xmake " .. flags)
+    os.mv("src/bar.mpp", "src/foo.mpp")
+end
+
+function main(_)
+    local clang_options = {compiler = "clang", version = CLANG_MIN_VER, build = _build}
+    local gcc_options = {compiler = "gcc", version = GCC_MIN_VER, build = _build}
+    local msvc_options = {version = MSVC_MIN_VER, build = _build}
+    run_tests(clang_options, gcc_options, msvc_options)
+end
diff --git a/tests/projects/c++/modules/add_move_remove_module/xmake.lua b/tests/projects/c++/modules/add_move_remove_module/xmake.lua
new file mode 100644
index 000000000..aaf2a8bcb
--- /dev/null
+++ b/tests/projects/c++/modules/add_move_remove_module/xmake.lua
@@ -0,0 +1,8 @@
+
+add_rules("mode.release", "mode.debug")
+set_languages("c++20")
+
+target("mod")
+    set_kind("static")
+    add_files("src/*.mpp", {public = true})
+