Merge pull request #6001 from xmake-io/namespace

Support for namespace

76 files changed, 759 insertions, 0 deletions

diff --git a/tests/apis/namespace/basic/.gitignore b/tests/apis/namespace/basic/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/basic/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/basic/src/bar.cpp b/tests/apis/namespace/basic/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/basic/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/basic/src/bar.h b/tests/apis/namespace/basic/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/basic/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/basic/src/foo.cpp b/tests/apis/namespace/basic/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/basic/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/basic/src/foo.h b/tests/apis/namespace/basic/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/basic/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/basic/src/main.cpp b/tests/apis/namespace/basic/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/basic/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/basic/test.lua b/tests/apis/namespace/basic/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/basic/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/basic/xmake.lua b/tests/apis/namespace/basic/xmake.lua
new file mode 100644
index 000000000..fd52ab013
--- /dev/null
+++ b/tests/apis/namespace/basic/xmake.lua
@@ -0,0 +1,19 @@
+add_rules("mode.debug", "mode.release")
+
+namespace("ns1", function ()
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+end)
+
+namespace("ns2")
+    target("bar")
+        set_kind("static")
+        add_files("src/bar.cpp")
+namespace_end()
+
+target("test")
+    set_kind("binary")
+    add_deps("ns1::foo", "ns2::bar")
+    add_files("src/main.cpp")
+
diff --git a/tests/apis/namespace/includes/.gitignore b/tests/apis/namespace/includes/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/includes/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/includes/src/bar.cpp b/tests/apis/namespace/includes/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/includes/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/includes/src/bar.h b/tests/apis/namespace/includes/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/includes/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/includes/src/foo.cpp b/tests/apis/namespace/includes/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/includes/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/includes/src/foo.h b/tests/apis/namespace/includes/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/includes/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/includes/src/main.cpp b/tests/apis/namespace/includes/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/includes/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/includes/src/xmake.lua b/tests/apis/namespace/includes/src/xmake.lua
new file mode 100644
index 000000000..1d93e5a9a
--- /dev/null
+++ b/tests/apis/namespace/includes/src/xmake.lua
@@ -0,0 +1,8 @@
+namespace("ns2", function ()
+    add_defines("NS2_ROOT")
+    target("bar")
+        set_kind("static")
+        add_files("bar.cpp")
+        add_defines("BAR")
+end)
+
diff --git a/tests/apis/namespace/includes/test.lua b/tests/apis/namespace/includes/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/includes/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/includes/xmake.lua b/tests/apis/namespace/includes/xmake.lua
new file mode 100644
index 000000000..323627734
--- /dev/null
+++ b/tests/apis/namespace/includes/xmake.lua
@@ -0,0 +1,20 @@
+add_rules("mode.debug", "mode.release")
+
+add_defines("ROOT")
+
+namespace("ns1", function ()
+    add_defines("NS1_ROOT")
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+        add_defines("FOO")
+
+    includes("src")
+end)
+
+target("test")
+    set_kind("binary")
+    add_deps("ns1::foo", "ns1::ns2::bar")
+    add_files("src/main.cpp")
+    add_defines("TEST")
+
diff --git a/tests/apis/namespace/inner/.gitignore b/tests/apis/namespace/inner/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/inner/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/inner/src/bar.cpp b/tests/apis/namespace/inner/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/inner/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/inner/src/bar.h b/tests/apis/namespace/inner/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/inner/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/inner/src/foo.cpp b/tests/apis/namespace/inner/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/inner/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/inner/src/foo.h b/tests/apis/namespace/inner/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/inner/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/inner/src/main.cpp b/tests/apis/namespace/inner/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/inner/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/inner/test.lua b/tests/apis/namespace/inner/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/inner/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/inner/xmake.lua b/tests/apis/namespace/inner/xmake.lua
new file mode 100644
index 000000000..c18203f29
--- /dev/null
+++ b/tests/apis/namespace/inner/xmake.lua
@@ -0,0 +1,19 @@
+add_rules("mode.debug", "mode.release")
+
+namespace("ns1", function ()
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+
+    namespace("ns2", function()
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+    end)
+
+    target("test")
+        set_kind("binary")
+        add_deps("foo", "ns2::bar")
+        add_files("src/main.cpp")
+end)
+
diff --git a/tests/apis/namespace/nested/.gitignore b/tests/apis/namespace/nested/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/nested/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/nested/src/bar.cpp b/tests/apis/namespace/nested/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/nested/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/nested/src/bar.h b/tests/apis/namespace/nested/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/nested/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/nested/src/foo.cpp b/tests/apis/namespace/nested/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/nested/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/nested/src/foo.h b/tests/apis/namespace/nested/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/nested/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/nested/src/main.cpp b/tests/apis/namespace/nested/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/nested/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/nested/test.lua b/tests/apis/namespace/nested/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/nested/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/nested/xmake.lua b/tests/apis/namespace/nested/xmake.lua
new file mode 100644
index 000000000..93d7132f3
--- /dev/null
+++ b/tests/apis/namespace/nested/xmake.lua
@@ -0,0 +1,19 @@
+add_rules("mode.debug", "mode.release")
+
+namespace("ns1", function ()
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+
+    namespace("ns2")
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+    namespace_end()
+end)
+
+target("test")
+    set_kind("binary")
+    add_deps("ns1::foo", "ns1::ns2::bar")
+    add_files("src/main.cpp")
+
diff --git a/tests/apis/namespace/option/.gitignore b/tests/apis/namespace/option/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/option/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/option/src/bar.cpp b/tests/apis/namespace/option/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/option/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/option/src/bar.h b/tests/apis/namespace/option/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/option/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/option/src/foo.cpp b/tests/apis/namespace/option/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/option/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/option/src/foo.h b/tests/apis/namespace/option/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/option/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/option/src/main.cpp b/tests/apis/namespace/option/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/option/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/option/test.lua b/tests/apis/namespace/option/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/option/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/option/xmake.lua b/tests/apis/namespace/option/xmake.lua
new file mode 100644
index 000000000..b39b764f1
--- /dev/null
+++ b/tests/apis/namespace/option/xmake.lua
@@ -0,0 +1,44 @@
+add_rules("mode.debug", "mode.release")
+
+option("opt0", {default = true, defines = "OPT0", description = "option0"})
+
+namespace("ns1", function ()
+    option("opt1", {default = true, defines = "NS1_OPT1", description = "option1"})
+
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+        add_options("opt1")
+        if has_config("opt1") then
+            add_defines("HAS_NS1_OPT1")
+        end
+
+    namespace("ns2", function()
+        option("opt2", {default = true, defines = "NS2_OPT2", description = "option2"})
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+            add_options("opt2")
+            if has_config("opt2") then
+                add_defines("HAS_NS2_OPT2")
+            end
+    end)
+
+    target("test")
+        set_kind("binary")
+        add_deps("foo", "ns2::bar")
+        add_files("src/main.cpp")
+        add_options("opt0", "opt1", "ns2::opt2")
+        on_load(function (target)
+            if has_config("opt0") then
+                target:add("defines", "HAS_OPT0")
+            end
+            if has_config("opt1") then
+                target:add("defines", "HAS_NS1_OPT1")
+            end
+            if has_config("ns2::opt2") then
+                target:add("defines", "HAS_NS2_OPT2")
+            end
+        end)
+end)
+
diff --git a/tests/apis/namespace/package/.gitignore b/tests/apis/namespace/package/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/package/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/package/src/bar.cpp b/tests/apis/namespace/package/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/package/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/package/src/bar.h b/tests/apis/namespace/package/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/package/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/package/src/foo.cpp b/tests/apis/namespace/package/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/package/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/package/src/foo.h b/tests/apis/namespace/package/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/package/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/package/src/main.cpp b/tests/apis/namespace/package/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/package/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/package/test.lua b/tests/apis/namespace/package/test.lua
new file mode 100644
index 000000000..bff75b066
--- /dev/null
+++ b/tests/apis/namespace/package/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD -y")
+end
diff --git a/tests/apis/namespace/package/xmake.lua b/tests/apis/namespace/package/xmake.lua
new file mode 100644
index 000000000..c88038071
--- /dev/null
+++ b/tests/apis/namespace/package/xmake.lua
@@ -0,0 +1,64 @@
+
+add_requires("package0", {system = false})
+
+package("package0")
+    on_load(function (package)
+        package:add("defines", "PACKAGE0")
+    end)
+    on_install(function (package) end)
+
+namespace("ns1", function ()
+
+    add_requires("package1", {system = false})
+
+    package("package1")
+        on_load(function (package)
+            package:add("defines", "NS1_PACKAGE1")
+        end)
+        on_install(function (package) end)
+
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+        add_packages("package1")
+        if has_package("package1") then
+            add_defines("HAS_PACKAGE1")
+        end
+
+    namespace("ns2", function()
+
+        add_requires("package2", {system = false})
+
+        package("package2")
+            on_load(function (package)
+                package:add("defines", "NS2_PACKAGE2")
+            end)
+            on_install(function (package) end)
+
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+            add_packages("package2")
+            if has_package("package2") then
+                add_defines("HAS_PACKAGE2")
+            end
+    end)
+
+    target("test")
+        set_kind("binary")
+        add_deps("foo", "ns2::bar")
+        add_files("src/main.cpp")
+        add_packages("package0", "package1", "ns2::package2")
+        on_load(function (target)
+            if has_package("package0") then
+                target:add("defines", "HAS_PACKAGE0")
+            end
+            if has_package("package1") then
+                target:add("defines", "HAS_PACKAGE1")
+            end
+            if has_package("ns2::package2") then
+                target:add("defines", "HAS_PACKAGE2")
+            end
+        end)
+end)
+
diff --git a/tests/apis/namespace/root/.gitignore b/tests/apis/namespace/root/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/root/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/root/src/bar.cpp b/tests/apis/namespace/root/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/root/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/root/src/bar.h b/tests/apis/namespace/root/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/root/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/root/src/foo.cpp b/tests/apis/namespace/root/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/root/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/root/src/foo.h b/tests/apis/namespace/root/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/root/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/root/src/main.cpp b/tests/apis/namespace/root/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/root/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/root/test.lua b/tests/apis/namespace/root/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/root/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/root/xmake.lua b/tests/apis/namespace/root/xmake.lua
new file mode 100644
index 000000000..725fbc6f7
--- /dev/null
+++ b/tests/apis/namespace/root/xmake.lua
@@ -0,0 +1,26 @@
+add_rules("mode.debug", "mode.release")
+
+add_defines("ROOT")
+
+namespace("ns1", function ()
+    add_defines("NS1_ROOT")
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+        add_defines("FOO")
+
+    namespace("ns2", function ()
+        add_defines("NS2_ROOT")
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+            add_defines("BAR")
+    end)
+end)
+
+target("test")
+    set_kind("binary")
+    add_deps("ns1::foo", "ns1::ns2::bar")
+    add_files("src/main.cpp")
+    add_defines("TEST")
+
diff --git a/tests/apis/namespace/rule/.gitignore b/tests/apis/namespace/rule/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/rule/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/rule/src/bar.cpp b/tests/apis/namespace/rule/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/rule/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/rule/src/bar.h b/tests/apis/namespace/rule/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/rule/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/rule/src/foo.cpp b/tests/apis/namespace/rule/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/rule/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/rule/src/foo.h b/tests/apis/namespace/rule/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/rule/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/rule/src/main.cpp b/tests/apis/namespace/rule/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/rule/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/rule/test.lua b/tests/apis/namespace/rule/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/rule/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/rule/xmake.lua b/tests/apis/namespace/rule/xmake.lua
new file mode 100644
index 000000000..96b80271d
--- /dev/null
+++ b/tests/apis/namespace/rule/xmake.lua
@@ -0,0 +1,37 @@
+add_rules("mode.debug", "mode.release")
+
+rule("rule0")
+    on_load(function (target)
+        target:add("defines", "RULE0")
+    end)
+
+namespace("ns1", function ()
+    rule("rule1")
+        on_load(function (target)
+            target:add("defines", "NS1_RULE1")
+        end)
+
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+        add_rules("rule1")
+
+    namespace("ns2", function()
+        rule("rule2")
+            on_load(function (target)
+                target:add("defines", "NS2_RULE2")
+            end)
+
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+            add_rules("rule2")
+    end)
+
+    target("test")
+        set_kind("binary")
+        add_deps("foo", "ns2::bar")
+        add_files("src/main.cpp")
+        add_rules("rule0", "rule1", "ns2::rule2")
+end)
+
diff --git a/tests/apis/namespace/task/.gitignore b/tests/apis/namespace/task/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/task/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/task/test.lua b/tests/apis/namespace/task/test.lua
new file mode 100644
index 000000000..46fa44af3
--- /dev/null
+++ b/tests/apis/namespace/task/test.lua
@@ -0,0 +1,5 @@
+function main()
+    os.exec("xmake task0")
+    os.exec("xmake ns1::task1")
+    os.exec("xmake ns1::ns2::task2")
+end
diff --git a/tests/apis/namespace/task/xmake.lua b/tests/apis/namespace/task/xmake.lua
new file mode 100644
index 000000000..1f9d13e4a
--- /dev/null
+++ b/tests/apis/namespace/task/xmake.lua
@@ -0,0 +1,22 @@
+task("task0")
+    set_menu {options = {}}
+    on_run(function ()
+        print("task0")
+    end)
+
+namespace("ns1", function ()
+    task("task1")
+        set_menu {options = {}}
+        on_run(function ()
+            print("NS1_TASK1")
+        end)
+
+    namespace("ns2", function()
+        task("task2")
+            set_menu {options = {}}
+            on_run(function ()
+                print("NS2_TASK2")
+            end)
+    end)
+end)
+
diff --git a/tests/apis/namespace/toolchain/.gitignore b/tests/apis/namespace/toolchain/.gitignore
new file mode 100644
index 000000000..152105761
--- /dev/null
+++ b/tests/apis/namespace/toolchain/.gitignore
@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+
diff --git a/tests/apis/namespace/toolchain/src/bar.cpp b/tests/apis/namespace/toolchain/src/bar.cpp
new file mode 100644
index 000000000..2c00cc6b6
--- /dev/null
+++ b/tests/apis/namespace/toolchain/src/bar.cpp
@@ -0,0 +1,5 @@
+#include "bar.h"
+
+int sub(int a, int b) {
+    return a - b;
+}
diff --git a/tests/apis/namespace/toolchain/src/bar.h b/tests/apis/namespace/toolchain/src/bar.h
new file mode 100644
index 000000000..47d8a7251
--- /dev/null
+++ b/tests/apis/namespace/toolchain/src/bar.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int sub(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/toolchain/src/foo.cpp b/tests/apis/namespace/toolchain/src/foo.cpp
new file mode 100644
index 000000000..1a1fb3425
--- /dev/null
+++ b/tests/apis/namespace/toolchain/src/foo.cpp
@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/apis/namespace/toolchain/src/foo.h b/tests/apis/namespace/toolchain/src/foo.h
new file mode 100644
index 000000000..d2506bca9
--- /dev/null
+++ b/tests/apis/namespace/toolchain/src/foo.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tests/apis/namespace/toolchain/src/main.cpp b/tests/apis/namespace/toolchain/src/main.cpp
new file mode 100644
index 000000000..4cf7b5e62
--- /dev/null
+++ b/tests/apis/namespace/toolchain/src/main.cpp
@@ -0,0 +1,9 @@
+#include "foo.h"
+#include "bar.h"
+#include <iostream>
+
+int main(int argc, char** argv) {
+    std::cout << "add(1, 2) = " << add(1, 2) << std::endl;
+    std::cout << "sub(2, 1) = " << sub(2, 1) << std::endl;
+    return 0;
+}
diff --git a/tests/apis/namespace/toolchain/test.lua b/tests/apis/namespace/toolchain/test.lua
new file mode 100644
index 000000000..83c0a9546
--- /dev/null
+++ b/tests/apis/namespace/toolchain/test.lua
@@ -0,0 +1,3 @@
+function main()
+    os.exec("xmake -vD")
+end
diff --git a/tests/apis/namespace/toolchain/xmake.lua b/tests/apis/namespace/toolchain/xmake.lua
new file mode 100644
index 000000000..588541296
--- /dev/null
+++ b/tests/apis/namespace/toolchain/xmake.lua
@@ -0,0 +1,36 @@
+
+toolchain("toolchain0")
+    on_load(function (toolchain)
+        toolchain:add("defines", "TOOLCHAIN0")
+    end)
+
+namespace("ns1", function ()
+    toolchain("toolchain1")
+        on_load(function (toolchain)
+            toolchain:add("defines", "NS1_TOOLCHAIN1")
+        end)
+
+    target("foo")
+        set_kind("static")
+        add_files("src/foo.cpp")
+        set_toolchains("toolchain1")
+
+    namespace("ns2", function()
+        toolchain("toolchain2")
+            on_load(function (toolchain)
+                toolchain:add("defines", "NS2_TOOLCHAIN2")
+            end)
+
+        target("bar")
+            set_kind("static")
+            add_files("src/bar.cpp")
+            set_toolchains("toolchain2")
+    end)
+
+    target("test")
+        set_kind("binary")
+        add_deps("foo", "ns2::bar")
+        add_files("src/main.cpp")
+        set_toolchains("toolchain0", "toolchain1", "ns2::toolchain2")
+end)
+