test(c-api) Add test case for wat2wasm.

lib/c-api/tests/wasm_c_api/CMakeLists.txt

@@ -17,9 +17,10 @@ add_executable(wasm-c-api-serialize wasm-c-api/example/serialize.c)
 add_executable(wasm-c-api-trap wasm-c-api/example/trap.c)
 
 # Our additional tests.
-add_executable(test-wasi test-wasi.c)
 add_executable(test-early-exit test-early-exit.c)
 add_executable(test-memory test-memory.c)
+add_executable(test-wasi test-wasi.c)
+add_executable(test-wat2wasm test-wat2wasm.c)
 
 include_directories(wasm-c-api/include)
 include_directories(../../)
@@ -133,11 +134,6 @@ add_test(NAME wasm-c-api-trap
          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/wasm-c-api/example/
 )
 
-set_property(TARGET test-wasi PROPERTY C_STANDARD 11)
-target_link_libraries(test-wasi general ${WASMER_LIB})
-target_compile_options(test-wasi PRIVATE ${COMPILER_OPTIONS})
-add_test(test-wasi test-wasi)
-
 set_property(TARGET test-early-exit PROPERTY C_STANDARD 11)
 target_link_libraries(test-early-exit general ${WASMER_LIB})
 target_compile_options(test-early-exit PRIVATE ${COMPILER_OPTIONS})
@@ -147,3 +143,13 @@ set_property(TARGET test-memory PROPERTY C_STANDARD 11)
 target_link_libraries(test-memory general ${WASMER_LIB})
 target_compile_options(test-memory PRIVATE ${COMPILER_OPTIONS})
 add_test(test-memory test-memory)
+
+set_property(TARGET test-wasi PROPERTY C_STANDARD 11)
+target_link_libraries(test-wasi general ${WASMER_LIB})
+target_compile_options(test-wasi PRIVATE ${COMPILER_OPTIONS})
+add_test(test-wasi test-wasi)
+
+set_property(TARGET test-wat2wasm PROPERTY C_STANDARD 11)
+target_link_libraries(test-wat2wasm general ${WASMER_LIB})
+target_compile_options(test-wat2wasm PRIVATE ${COMPILER_OPTIONS})
+add_test(test-wat2wasm test-wat2wasm)

lib/c-api/tests/wasm_c_api/test-wat2wasm.c

@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "wasmer_wasm.h"
+
+#define own
+
+int main(int argc, const char* argv[]) {
+  // Initialize.
+  printf("Initializing...\n");
+  wasm_engine_t* engine = wasm_engine_new();
+  wasm_store_t* store = wasm_store_new(engine);
+
+  // Getting Wasm.
+  printf("Compiling WAT to Wasm...\n");
+
+  wasm_byte_vec_t wat = {
+    .data = "(module)",
+    .size = 8,
+  };
+  wasm_byte_vec_t *wasm = wat2wasm(&wat);
+
+  if (!wasm) {
+    printf("> Error compiler WAT to Wasm!\n");
+    return 1;
+  }
+
+  if (wasm->size != 8) {
+    printf("The Wasm size is incorrect!\n");
+    return 1;
+  }
+
+  if (!(wasm->data[0] == 0 &&
+        wasm->data[1] == 'a' &&
+        wasm->data[2] == 's' &&
+        wasm->data[3] == 'm' &&
+        wasm->data[4] == 1 &&
+        wasm->data[5] == 0 &&
+        wasm->data[6] == 0 &&
+        wasm->data[7] == 0)) {
+    printf("The Wasm data is incorrect!\n");
+    return 1;
+  }
+
+  wasm_byte_vec_delete(wasm);
+
+  // All done.
+  printf("Done.\n");
+  return 0;
+}