Enable running spec tests on Windows

We don't enable those tests in CI yet as not all of them are passing

core/iwasm/interpreter/wasm_runtime.c

@@ -308,8 +308,9 @@ memory_instantiate(WASMModuleInstance *module_inst, WASMModuleInstance *parent,
     }
 
 #ifdef BH_PLATFORM_WINDOWS
-    if (!os_mem_commit(mapped_mem, memory_data_size,
-                       MMAP_PROT_READ | MMAP_PROT_WRITE)) {
+    if (memory_data_size > 0
+        && !os_mem_commit(mapped_mem, memory_data_size,
+                          MMAP_PROT_READ | MMAP_PROT_WRITE)) {
         set_error_buf(error_buf, error_buf_size, "commit memory failed");
         os_munmap(mapped_mem, map_size);
         goto fail1;

product-mini/platforms/windows/main.c

@@ -142,7 +142,8 @@ app_instance_repl(wasm_module_inst_t module_inst)
     char *cmd;
     size_t n;
 
-    while ((printf("webassembly> "), cmd = fgets(buffer, sizeof(buffer), stdin))
+    while ((printf("webassembly> "), fflush(stdout),
+            cmd = fgets(buffer, sizeof(buffer), stdin))
            != NULL) {
         bh_assert(cmd);
         n = strlen(cmd);

tests/wamr-test-suites/spec-test-script/all.py

@@ -6,7 +6,7 @@
 
 import argparse
 import multiprocessing as mp
-import os
+import platform
 import pathlib
 import subprocess
 import sys
@@ -28,12 +28,26 @@
     --aot-compiler wamrc --gc spec/test/core/xxx.wast
 """
 
-PLATFORM_NAME = os.uname().sysname.lower()
-IWASM_CMD = "../../../product-mini/platforms/" + PLATFORM_NAME + "/build/iwasm"
+def exe_file_path(base_path: str) -> str:
+    if platform.system().lower() == "windows":
+        base_path += ".exe"
+    return base_path
+
+def get_iwasm_cmd(platform: str) -> str:
+    build_path = "../../../product-mini/platforms/" + platform + "/build/"
+    exe_name = "iwasm"
+
+    if platform == "windows":
+        build_path += "RelWithDebInfo/"
+
+    return exe_file_path(build_path + exe_name)
+
+PLATFORM_NAME = platform.uname().system.lower()
+IWASM_CMD = get_iwasm_cmd(PLATFORM_NAME)
 IWASM_SGX_CMD = "../../../product-mini/platforms/linux-sgx/enclave-sample/iwasm"
 IWASM_QEMU_CMD = "iwasm"
 SPEC_TEST_DIR = "spec/test/core"
-WAST2WASM_CMD = "./wabt/out/gcc/Release/wat2wasm"
+WAST2WASM_CMD = exe_file_path("./wabt/out/gcc/Release/wat2wasm")
 SPEC_INTERPRETER_CMD = "spec/interpreter/wasm"
 WAMRC_CMD = "../../../wamr-compiler/build/wamrc"
 
@@ -133,6 +147,7 @@ def test_case(
     qemu_flag=False,
     qemu_firmware='',
     log='',
+    no_pty=False
 ):
     case_path = pathlib.Path(case_path).resolve()
     case_name = case_path.stem
@@ -151,7 +166,7 @@ def test_case(
     ):
         return True
 
-    CMD = ["python3", "runtest.py"]
+    CMD = [sys.executable, "runtest.py"]
     CMD.append("--wast2wasm")
     CMD.append(WAST2WASM_CMD if not gc_flag else SPEC_INTERPRETER_CMD)
     CMD.append("--interpreter")
@@ -161,6 +176,8 @@ def test_case(
         CMD.append(IWASM_QEMU_CMD)
     else:
         CMD.append(IWASM_CMD)
+    if no_pty:
+        CMD.append("--no-pty")
     CMD.append("--aot-compiler")
     CMD.append(WAMRC_CMD)
 
@@ -261,6 +278,7 @@ def test_suite(
     qemu_flag=False,
     qemu_firmware='',
     log='',
+    no_pty=False
 ):
     suite_path = pathlib.Path(SPEC_TEST_DIR).resolve()
     if not suite_path.exists():
@@ -302,6 +320,7 @@ def test_suite(
                         qemu_flag,
                         qemu_firmware,
                         log,
+                        no_pty,
                     ],
                 )
 
@@ -339,6 +358,7 @@ def test_suite(
                     qemu_flag,
                     qemu_firmware,
                     log,
+                    no_pty,
                 )
                 successful_case += 1
             except Exception as e:
@@ -460,6 +480,8 @@ def main():
         nargs="*",
         help=f"Specify all wanted cases. If not the script will go through all cases under {SPEC_TEST_DIR}",
     )
+    parser.add_argument('--no-pty', action='store_true',
+        help="Use direct pipes instead of pseudo-tty")
 
     options = parser.parse_args()
     print(options)
@@ -490,6 +512,7 @@ def main():
             options.qemu_flag,
             options.qemu_firmware,
             options.log,
+            options.no_pty
         )
         end = time.time_ns()
         print(
@@ -512,7 +535,8 @@ def main():
                     options.gc_flag,
                     options.qemu_flag,
                     options.qemu_firmware,
-                    options.log
+                    options.log,
+                    options.no_pty
                 )
             else:
                 ret = True