improve bin2c tests

4 files changed, 25 insertions, 1 deletions

diff --git a/tests/projects/other/bin2c/src/asset.bin b/tests/projects/other/bin2c/src/asset.bin
new file mode 100644
index 000000000..0c8cc9a8c
--- /dev/null
+++ b/tests/projects/other/bin2c/src/asset.bin
@@ -0,0 +1 @@
+hello transform!
diff --git a/tests/projects/other/bin2c/src/main.c b/tests/projects/other/bin2c/src/main.c
index 74898132c..3c8bcc60b 100644
--- a/tests/projects/other/bin2c/src/main.c
+++ b/tests/projects/other/bin2c/src/main.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <ctype.h>
+#include <string.h>
 
 static unsigned char g_bin_data[] = {
     #include "data.bin.h"
@@ -10,6 +11,10 @@ static unsigned char g_ico_data[] = {
     #include "xmake.ico.h"
 };
 
+static unsigned char g_asset_data[] = {
+    #include "asset.bin.h"
+};
+
 static void hexdump(const char* name, const uint8_t* data, uint32_t size) {
     printf("%s: size: %u bytes\n", name, (unsigned int)size);
     if (size == 0) {
@@ -94,5 +99,15 @@ int main(int argc, char** argv)
     hexdump("data.bin", g_bin_data, (uint32_t)sizeof(g_bin_data));
     printf("\n");
     hexdump("xmake.ico", g_ico_data, (uint32_t)sizeof(g_ico_data));
+    printf("\n");
+    hexdump("asset.bin (transformed)", g_asset_data, (uint32_t)sizeof(g_asset_data));
+
+    // verify the transform: asset.bin must be the reverse of "hello transform!\n" (+ zeroend '\0')
+    const char* expected = "\n!mrofsnart olleh";
+    if (sizeof(g_asset_data) != 18 || memcmp(g_asset_data, expected, 17) != 0) {
+        printf("asset.bin: transform verification failed!\n");
+        return 1;
+    }
+    printf("asset.bin: transform verification ok\n");
     return 0;
 }
diff --git a/tests/projects/other/bin2c/test.lua b/tests/projects/other/bin2c/test.lua
index b57362078..a23bb98a3 100644
--- a/tests/projects/other/bin2c/test.lua
+++ b/tests/projects/other/bin2c/test.lua
@@ -1,3 +1,5 @@
 function main(t)
     t:build()
+    -- run the target, main.c verifies the transformed asset.bin and exits non-zero on mismatch
+    os.exec("xmake run test")
 end
diff --git a/tests/projects/other/bin2c/xmake.lua b/tests/projects/other/bin2c/xmake.lua
index b00dedb65..f37aa1218 100644
--- a/tests/projects/other/bin2c/xmake.lua
+++ b/tests/projects/other/bin2c/xmake.lua
@@ -4,7 +4,13 @@ target("test")
     set_kind("binary")
     add_rules("utils.bin2c", {linewidth = 16, extensions = {".bin", ".ico"}})
     add_files("src/*.c")
-    add_files("src/*.bin")
+    add_files("src/data.bin")
     add_files("src/xmake.ico", {nozeroend = true})
+    add_files("src/asset.bin", {transform = function (inputfile, outputfile, opt)
+        import("core.base.bytes")
+        assert(bytes and opt.target)
+        local data = io.readfile(inputfile, {encoding = "binary"})
+        io.writefile(outputfile, data:reverse(), {encoding = "binary"})
+    end})