add some c++ module tests

23 files changed, 302 insertions, 0 deletions

diff --git a/tests/projects/c++/modules/class/src/hello.mpp b/tests/projects/c++/modules/class/src/hello.mpp
new file mode 100644
index 000000000..9e4ecd960
--- /dev/null
+++ b/tests/projects/c++/modules/class/src/hello.mpp
@@ -0,0 +1,12 @@
+export module hello;
+
+export namespace hello {
+    class say {
+    public:
+        say(int data);
+        void hello();
+    
+    private:
+        int data_;
+    };
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/class/src/hello_impl.cpp b/tests/projects/c++/modules/class/src/hello_impl.cpp
new file mode 100644
index 000000000..b929c453b
--- /dev/null
+++ b/tests/projects/c++/modules/class/src/hello_impl.cpp
@@ -0,0 +1,16 @@
+// module;
+#include <iostream>
+module hello;
+
+// import std.core;
+using namespace std;
+
+namespace hello {
+    say::say(int data) : data_(data) {
+
+    }
+
+    void say::hello() {
+        cout << "hello, say class: " << data_ << endl;
+    }
+}
diff --git a/tests/projects/c++/modules/class/src/main.cpp b/tests/projects/c++/modules/class/src/main.cpp
new file mode 100644
index 000000000..6f80b6c7d
--- /dev/null
+++ b/tests/projects/c++/modules/class/src/main.cpp
@@ -0,0 +1,7 @@
+import hello;
+
+int main() {
+    hello::say s(sizeof(hello::say));
+    s.hello();
+    return 0;
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/class/xmake.lua b/tests/projects/c++/modules/class/xmake.lua
new file mode 100644
index 000000000..f0dcc3ea7
--- /dev/null
+++ b/tests/projects/c++/modules/class/xmake.lua
@@ -0,0 +1,5 @@
+target("class")
+    set_kind("binary")
+    add_files("src/*.cpp", "src/*.mpp") 
+
+
diff --git a/tests/projects/c++/modules/dependence/src/hello.mpp b/tests/projects/c++/modules/dependence/src/hello.mpp
new file mode 100644
index 000000000..b3153a5b3
--- /dev/null
+++ b/tests/projects/c++/modules/dependence/src/hello.mpp
@@ -0,0 +1,21 @@
+export module hello;
+
+export namespace hello {
+    extern int data__;
+    void say_hello();
+
+    class say {
+    public:
+        say(int data);
+        void hello();
+    
+    private:
+        int data_;
+    };
+}
+
+export namespace {
+    void anonymous() {
+        
+    }
+}
diff --git a/tests/projects/c++/modules/dependence/src/hello_impl.cpp b/tests/projects/c++/modules/dependence/src/hello_impl.cpp
new file mode 100644
index 000000000..37797c31c
--- /dev/null
+++ b/tests/projects/c++/modules/dependence/src/hello_impl.cpp
@@ -0,0 +1,23 @@
+// module;
+#include <iostream>
+module hello;
+import mod;
+
+void inner() {
+    std::cout << "hello world! data: "
+              << mod::foo() << std::endl;
+}
+
+namespace hello {
+    int data__;
+    void say_hello() { ::inner(); }
+
+    say::say(int data) : data_{data} {
+
+    }
+
+    void say::hello() {
+        hello::data__ = data_;
+        ::inner();
+    }
+}
diff --git a/tests/projects/c++/modules/dependence/src/main.cpp b/tests/projects/c++/modules/dependence/src/main.cpp
new file mode 100644
index 000000000..93cc427a4
--- /dev/null
+++ b/tests/projects/c++/modules/dependence/src/main.cpp
@@ -0,0 +1,9 @@
+import hello;
+
+int main() {
+    hello::data__ = 123;
+    hello::say_hello();
+    hello::say(sizeof(hello::say)).hello();
+    return 0;
+}
+
diff --git a/tests/projects/c++/modules/dependence/src/mod.mpp b/tests/projects/c++/modules/dependence/src/mod.mpp
new file mode 100644
index 000000000..ac30a31c8
--- /dev/null
+++ b/tests/projects/c++/modules/dependence/src/mod.mpp
@@ -0,0 +1,5 @@
+export module mod;
+
+export namespace mod {
+    int foo();
+}
diff --git a/tests/projects/c++/modules/dependence/src/mod_impl.cpp b/tests/projects/c++/modules/dependence/src/mod_impl.cpp
new file mode 100644
index 000000000..1adf6570e
--- /dev/null
+++ b/tests/projects/c++/modules/dependence/src/mod_impl.cpp
@@ -0,0 +1,8 @@
+module mod;
+import hello;
+
+namespace mod {
+    int foo() {
+        return hello::data__;
+    }
+}
diff --git a/tests/projects/c++/modules/dependence/xmake.lua b/tests/projects/c++/modules/dependence/xmake.lua
new file mode 100644
index 000000000..4a2608cd3
--- /dev/null
+++ b/tests/projects/c++/modules/dependence/xmake.lua
@@ -0,0 +1,6 @@
+target("dependence")
+    set_kind("binary")
+    add_files("src/*.cpp", "src/*.mpp") 
+    set_languages("c++11")
+
+
diff --git a/tests/projects/c++/modules/inline_and_template/src/foo.mpp b/tests/projects/c++/modules/inline_and_template/src/foo.mpp
new file mode 100644
index 000000000..03e15d413
--- /dev/null
+++ b/tests/projects/c++/modules/inline_and_template/src/foo.mpp
@@ -0,0 +1,17 @@
+export module foo;
+
+export {
+    template <typename>
+    struct foo {
+        constexpr const char* hello(void) const {
+            return "hello typename!";
+        }
+    };
+
+    // template <>
+    // struct foo<int> {
+    //     constexpr const char* hello(void) const {
+    //         return "hello typename int!";
+    //     }
+    // };
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/inline_and_template/src/foo_impl.cpp b/tests/projects/c++/modules/inline_and_template/src/foo_impl.cpp
new file mode 100644
index 000000000..c44ef849b
--- /dev/null
+++ b/tests/projects/c++/modules/inline_and_template/src/foo_impl.cpp
@@ -0,0 +1,8 @@
+module foo;
+
+template <>
+struct foo<int> {
+    constexpr const char* hello(void) const {
+        return "hello int!";
+    }
+};
\ No newline at end of file
diff --git a/tests/projects/c++/modules/inline_and_template/src/hello.mpp b/tests/projects/c++/modules/inline_and_template/src/hello.mpp
new file mode 100644
index 000000000..1796f0b11
--- /dev/null
+++ b/tests/projects/c++/modules/inline_and_template/src/hello.mpp
@@ -0,0 +1,9 @@
+// module;
+#include <cstdio>
+export module hello;
+
+export namespace hello {
+    inline void say_hello() {
+        std::printf("hello world!\n");
+    }
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/inline_and_template/src/main.cpp b/tests/projects/c++/modules/inline_and_template/src/main.cpp
new file mode 100644
index 000000000..a34667fbe
--- /dev/null
+++ b/tests/projects/c++/modules/inline_and_template/src/main.cpp
@@ -0,0 +1,12 @@
+import hello;
+import say;
+import foo;
+
+#include <iostream>
+
+int main() {
+    hello::say_hello();
+    say{}.hello<sizeof(say)>();
+    std::cout << foo<int>{}.hello() << std::endl;
+    return 0;
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/inline_and_template/src/say.mpp b/tests/projects/c++/modules/inline_and_template/src/say.mpp
new file mode 100644
index 000000000..d09e14d28
--- /dev/null
+++ b/tests/projects/c++/modules/inline_and_template/src/say.mpp
@@ -0,0 +1,11 @@
+// module;
+#include <cstdio>
+export module say;
+
+export class say {
+public:
+    template <int N>
+    void hello() {
+        std::printf("hello, say class: %d\n", N);
+    }
+};
\ No newline at end of file
diff --git a/tests/projects/c++/modules/inline_and_template/xmake.lua b/tests/projects/c++/modules/inline_and_template/xmake.lua
new file mode 100644
index 000000000..e22a0ef04
--- /dev/null
+++ b/tests/projects/c++/modules/inline_and_template/xmake.lua
@@ -0,0 +1,6 @@
+target("inline_and_template")
+    set_kind("binary")
+    add_files("src/*.cpp", "src/*.mpp") 
+    set_languages("c++11")
+
+
diff --git a/tests/projects/c++/modules/modulemap.modulemap/src/hello.h b/tests/projects/c++/modules/modulemap.modulemap/src/hello.h
new file mode 100644
index 000000000..743934c26
--- /dev/null
+++ b/tests/projects/c++/modules/modulemap.modulemap/src/hello.h
@@ -0,0 +1,18 @@
+#pragma once
+
+import std;
+using namespace std;
+
+namespace hello {
+    inline void say_hi() {
+        cout << "hello hi!" << endl;
+    }
+
+    inline void say_hello() {
+        cout << "hello world!" << endl;
+    }
+
+    inline void say_xz() {
+        cout << "hello xz!" << endl;
+    }
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/modulemap.modulemap/src/main.cpp b/tests/projects/c++/modules/modulemap.modulemap/src/main.cpp
new file mode 100644
index 000000000..6fffc01f7
--- /dev/null
+++ b/tests/projects/c++/modules/modulemap.modulemap/src/main.cpp
@@ -0,0 +1,9 @@
+// #include "hello.h"
+import hello;
+
+int main() {
+    hello::say_hello();
+    hello::say_xz();
+    hello::say_hi();
+    return 0;
+}
\ No newline at end of file
diff --git a/tests/projects/c++/modules/modulemap.modulemap/src/module.modulemap b/tests/projects/c++/modules/modulemap.modulemap/src/module.modulemap
new file mode 100644
index 000000000..69c787ee2
--- /dev/null
+++ b/tests/projects/c++/modules/modulemap.modulemap/src/module.modulemap
@@ -0,0 +1,4 @@
+module hello {
+    header "hello.h"
+    export *
+}
diff --git a/tests/projects/c++/modules/modulemap.modulemap/xmake.lua b/tests/projects/c++/modules/modulemap.modulemap/xmake.lua
new file mode 100644
index 000000000..979f7a22e
--- /dev/null
+++ b/tests/projects/c++/modules/modulemap.modulemap/xmake.lua
@@ -0,0 +1,6 @@
+target("modulemap")
+    set_kind("binary")
+    add_files("src/*.cpp", "src/*.mpp") 
+    set_languages("c++20")
+
+
diff --git a/tests/projects/c++/modules/template_instantiation/src/main.cpp b/tests/projects/c++/modules/template_instantiation/src/main.cpp
new file mode 100644
index 000000000..babfe1222
--- /dev/null
+++ b/tests/projects/c++/modules/template_instantiation/src/main.cpp
@@ -0,0 +1,6 @@
+import mod;
+
+int main() {
+    test_performance(foo<1000>{}, foo<1000>{});
+    return 0;
+}
diff --git a/tests/projects/c++/modules/template_instantiation/src/mod.mpp b/tests/projects/c++/modules/template_instantiation/src/mod.mpp
new file mode 100644
index 000000000..019f923d7
--- /dev/null
+++ b/tests/projects/c++/modules/template_instantiation/src/mod.mpp
@@ -0,0 +1,78 @@
+export module mod;
+
+class thread {
+public:
+    thread(...) {}
+    void join() {}
+};
+
+class atomic_int {
+public:
+    atomic_int(...) {}
+    int operator++() { return 0; }
+};
+
+/* gcc would ICE with template */
+
+template <typename T>
+class msg_queue {
+public:
+    void put(...) {}
+    T take() { return {}; }
+};
+
+export template <int N, int M, int Loops = 1000000>
+void test_prod_cons() {
+    thread producers[N];
+    thread consumers[M];
+
+    struct msg_t {
+        int pid_;
+        int dat_;
+    };
+    msg_queue<msg_t> messages;
+
+    int cid = 0;
+    for (auto& t : consumers) {
+        t = thread{[&, cid] {
+            while (1) {
+                msg_t msg = messages.take();
+                if (msg.pid_ < 0) break;
+            }
+        }};
+        ++cid;
+    }
+
+    int pid = 0;
+    for (auto& t : producers) {
+        t = thread{[&, pid] {
+            for (int i = 0; i < Loops; ++i) {
+                messages.put(pid, i); // emplace_back
+            }
+        }};
+        ++pid;
+    }
+    for (auto& t : producers) t.join();
+    // quit
+    messages.put(-1, -1);
+    for (auto& t : consumers) t.join();
+}
+
+export template <int N>
+struct foo {};
+
+export inline void test_performance(foo<1>, foo<1>) {
+    test_prod_cons<1, 1>();
+}
+
+export template <int N>
+void test_performance(foo<N>, foo<1>) {
+    test_performance(foo<N - 1>{}, foo<1>{});
+    test_prod_cons<N, 1>();
+};
+
+export template <int N, int M>
+void test_performance(foo<N>, foo<M>) {
+    test_performance(foo<N>{}, foo<M - 1>{});
+    test_prod_cons<N, M>();
+};
diff --git a/tests/projects/c++/modules/template_instantiation/xmake.lua b/tests/projects/c++/modules/template_instantiation/xmake.lua
new file mode 100644
index 000000000..312703cf7
--- /dev/null
+++ b/tests/projects/c++/modules/template_instantiation/xmake.lua
@@ -0,0 +1,6 @@
+target("template_instantiation")
+    set_kind("binary")
+    add_files("src/*.cpp", "src/*.mpp") 
+    set_languages("c++20")
+
+