Add unit test suites (#3490)

tests/unit/linear-memory-wasm/CMakeLists.txt

@@ -0,0 +1,59 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+cmake_minimum_required(VERSION 2.9)
+
+project (test-linear-memory-wasm)
+
+add_definitions (-DRUN_ON_LINUX)
+
+set (WAMR_BUILD_LIBC_WASI 0)
+set (WAMR_BUILD_APP_FRAMEWORK 0)
+set (WAMR_BUILD_MEMORY_PROFILING 1)
+set (WAMR_BUILD_INTERP 1)
+set (WAMR_BUILD_AOT 0)
+
+include (../unit_common.cmake)
+
+include_directories (${CMAKE_CURRENT_SOURCE_DIR})
+
+file (GLOB_RECURSE source_all ${CMAKE_CURRENT_SOURCE_DIR}/*.cc)
+
+set (UNIT_SOURCE ${source_all})
+
+set (unit_test_sources
+    ${UNIT_SOURCE}
+    ${WAMR_RUNTIME_LIB_SOURCE}
+    ${UNCOMMON_SHARED_SOURCE}
+    ${SRC_LIST}
+    ${PLATFORM_SHARED_SOURCE}
+    ${UTILS_SHARED_SOURCE}
+    ${MEM_ALLOC_SHARED_SOURCE}
+    ${LIB_HOST_AGENT_SOURCE}
+    ${NATIVE_INTERFACE_SOURCE}
+    ${LIBC_BUILTIN_SOURCE}
+    ${IWASM_COMMON_SOURCE}
+    ${IWASM_INTERP_SOURCE}
+    ${IWASM_AOT_SOURCE}
+    ${IWASM_COMPL_SOURCE}
+    ${WASM_APP_LIB_SOURCE_ALL}
+)
+
+# Test case: .wasm file with hardware bound check.
+add_executable (linear_memory_test_wasm ${unit_test_sources})
+target_link_libraries (linear_memory_test_wasm gtest_main)
+gtest_discover_tests(linear_memory_test_wasm)
+target_compile_definitions(linear_memory_test_wasm PRIVATE WAMR_DISABLE_HW_BOUND_CHECK=0)
+
+add_custom_command(TARGET linear_memory_test_wasm POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy
+  ${CMAKE_CURRENT_LIST_DIR}/wasm_files/*
+  ${CMAKE_CURRENT_BINARY_DIR}
+  COMMENT "Copy wasm files to the directory: build/linear-memory-wasm."
+)
+
+# Test case: .wasm file with no hardware bound check.
+add_executable (linear_memory_test_wasm_no_hw_bound ${unit_test_sources})
+target_link_libraries (linear_memory_test_wasm_no_hw_bound gtest_main)
+gtest_discover_tests(linear_memory_test_wasm_no_hw_bound)
+target_compile_definitions(linear_memory_test_wasm_no_hw_bound PRIVATE WAMR_DISABLE_HW_BOUND_CHECK=1)

tests/unit/linear-memory-wasm/linear_memory_wasm_test.cc

@@ -0,0 +1,327 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "test_helper.h"
+#include "gtest/gtest.h"
+
+#include "bh_read_file.h"
+#include "wasm_runtime_common.h"
+
+static std::string CWD;
+
+static std::string
+get_binary_path()
+{
+    char cwd[1024];
+    memset(cwd, 0, 1024);
+
+    if (readlink("/proc/self/exe", cwd, 1024) <= 0) {
+    }
+
+    char *path_end = strrchr(cwd, '/');
+    if (path_end != NULL) {
+        *path_end = '\0';
+    }
+
+    return std::string(cwd);
+}
+
+#if WASM_DISABLE_HW_BOUND_CHECK != 0
+#define TEST_SUITE_NAME linear_memory_test_suite_wasm_no_hw_bound
+#else
+#define TEST_SUITE_NAME linear_memory_test_suite_wasm
+#endif
+
+class TEST_SUITE_NAME : public testing::Test
+{
+  protected:
+    // You should make the members protected s.t. they can be
+    // accessed from sub-classes.
+
+    // virtual void SetUp() will be called before each test is run.  You
+    // should define it if you need to initialize the varaibles.
+    // Otherwise, this can be skipped.
+    virtual void SetUp() {}
+
+    static void SetUpTestCase() { CWD = get_binary_path(); }
+
+    // virtual void TearDown() will be called after each test is run.
+    // You should define it if there is cleanup work to do.  Otherwise,
+    // you don't have to provide it.
+    //
+    virtual void TearDown() {}
+
+    WAMRRuntimeRAII<512 * 1024> runtime;
+};
+
+struct ret_env {
+    wasm_exec_env_t exec_env;
+    wasm_module_t wasm_module;
+    wasm_module_inst_t wasm_module_inst;
+    unsigned char *wasm_file_buf;
+    char error_buf[128];
+};
+
+struct ret_env
+load_wasm(char *wasm_file_tested, unsigned int app_heap_size)
+{
+    std::string wasm_mem_page = wasm_file_tested;
+    const char *wasm_file = strdup((CWD + wasm_mem_page).c_str());
+    wasm_module_inst_t wasm_module_inst = nullptr;
+    wasm_module_t wasm_module = nullptr;
+    wasm_exec_env_t exec_env = nullptr;
+    unsigned char *wasm_file_buf = nullptr;
+    unsigned int wasm_file_size = 0;
+    unsigned int stack_size = 16 * 1024, heap_size = app_heap_size;
+    char error_buf[128] = { 0 };
+    struct ret_env ret_module_env;
+
+    memset(ret_module_env.error_buf, 0, 128);
+    wasm_file_buf =
+        (unsigned char *)bh_read_file_to_buffer(wasm_file, &wasm_file_size);
+    if (!wasm_file_buf) {
+        goto fail;
+    }
+
+    wasm_module = wasm_runtime_load(wasm_file_buf, wasm_file_size, error_buf,
+                                    sizeof(error_buf));
+    if (!wasm_module) {
+        memcpy(ret_module_env.error_buf, error_buf, 128);
+        goto fail;
+    }
+
+    wasm_module_inst = wasm_runtime_instantiate(
+        wasm_module, stack_size, heap_size, error_buf, sizeof(error_buf));
+    if (!wasm_module_inst) {
+        memcpy(ret_module_env.error_buf, error_buf, 128);
+        goto fail;
+    }
+
+    exec_env = wasm_runtime_create_exec_env(wasm_module_inst, stack_size);
+
+fail:
+    ret_module_env.exec_env = exec_env;
+    ret_module_env.wasm_module = wasm_module;
+    ret_module_env.wasm_module_inst = wasm_module_inst;
+    ret_module_env.wasm_file_buf = wasm_file_buf;
+
+    return ret_module_env;
+}
+
+void
+destroy_module_env(struct ret_env module_env)
+{
+    if (module_env.exec_env) {
+        wasm_runtime_destroy_exec_env(module_env.exec_env);
+    }
+
+    if (module_env.wasm_module_inst) {
+        wasm_runtime_deinstantiate(module_env.wasm_module_inst);
+    }
+
+    if (module_env.wasm_module) {
+        wasm_runtime_unload(module_env.wasm_module);
+    }
+
+    if (module_env.wasm_file_buf) {
+        wasm_runtime_free(module_env.wasm_file_buf);
+    }
+}
+
+TEST_F(TEST_SUITE_NAME, test_wasm_mem_page_count)
+{
+    struct ret_env tmp_module_env;
+    unsigned int num_normal_wasm = 9;
+    unsigned int num_error_wasm = 10;
+    const char *wasm_file_normal[num_normal_wasm] = {
+        "/wasm_mem_page_01.wasm", "/wasm_mem_page_02.wasm",
+        "/wasm_mem_page_05.wasm", "/wasm_mem_page_07.wasm",
+        "/wasm_mem_page_08.wasm", "/wasm_mem_page_09.wasm",
+        "/wasm_mem_page_10.wasm", "/wasm_mem_page_12.wasm",
+        "/wasm_mem_page_14.wasm"
+    };
+
+    const char *wasm_file_error[num_error_wasm] = {
+        "/wasm_mem_page_03.wasm", "/wasm_mem_page_04.wasm",
+        "/wasm_mem_page_06.wasm", "/wasm_mem_page_11.wasm",
+        "/wasm_mem_page_13.wasm", "/wasm_mem_page_15.wasm",
+        "/wasm_mem_page_16.wasm", "/wasm_mem_page_17.wasm",
+        "/wasm_mem_page_18.wasm", "/wasm_mem_page_19.wasm"
+    };
+
+    // Test normal wasm file.
+    for (int i = 0; i < num_normal_wasm; i++) {
+#if UINTPTR_MAX != UINT64_MAX
+        // 32 bit do not load this wasm.
+        if ((0 == strcmp("/wasm_mem_page_12.wasm", wasm_file_normal[i]))
+            || (0 == strcmp("/wasm_mem_page_14.wasm", wasm_file_normal[i]))) {
+            continue;
+        }
+#endif
+        tmp_module_env = load_wasm((char *)wasm_file_normal[i], 16 * 1024);
+        EXPECT_NE(nullptr, tmp_module_env.wasm_module);
+        EXPECT_NE(nullptr, tmp_module_env.wasm_file_buf);
+
+#if WASM_DISABLE_HW_BOUND_CHECK == 0
+        EXPECT_NE(nullptr, tmp_module_env.exec_env);
+        EXPECT_NE(nullptr, tmp_module_env.wasm_module_inst);
+#endif
+        destroy_module_env(tmp_module_env);
+    }
+
+    // Test error wasm file.
+    for (int i = 0; i < num_error_wasm; i++) {
+        tmp_module_env = load_wasm((char *)wasm_file_error[i], 16 * 1024);
+
+        if (0 != strlen(tmp_module_env.error_buf)) {
+            EXPECT_EQ(0, strncmp("WASM module",
+                                 (const char *)tmp_module_env.error_buf, 11));
+        }
+
+        destroy_module_env(tmp_module_env);
+    }
+}
+
+TEST_F(TEST_SUITE_NAME, test_wasm_about_app_heap)
+{
+    struct ret_env tmp_module_env;
+
+    // Test case: init_page_count = 65536, app heap size = 1.
+    tmp_module_env = load_wasm((char *)"/wasm_mem_page_03.wasm", 1);
+    EXPECT_EQ(0, strncmp("WASM module instantiate failed",
+                         (const char *)tmp_module_env.error_buf, 30));
+    destroy_module_env(tmp_module_env);
+
+    // Test case: init_page_count = 65535, app heap size = 65537.
+    tmp_module_env = load_wasm((char *)"/wasm_mem_page_20.wasm", 65537);
+    EXPECT_EQ(0, strncmp("WASM module instantiate failed",
+                         (const char *)tmp_module_env.error_buf, 30));
+    destroy_module_env(tmp_module_env);
+}
+
+TEST_F(TEST_SUITE_NAME, test_throw_exception_out_of_bounds)
+{
+    struct ret_env tmp_module_env;
+    WASMFunctionInstanceCommon *func = nullptr;
+    bool ret = false;
+    uint32 argv[1] = { 9999 * 64 * 1024 };
+    const char *exception = nullptr;
+
+    tmp_module_env = load_wasm((char *)"/out_of_bounds.wasm", 16 * 1024);
+    func =
+        wasm_runtime_lookup_function(tmp_module_env.wasm_module_inst, "load");
+    if (!func) {
+        printf("\nFailed to wasm_runtime_lookup_function!\n");
+        goto failed_out_of_bounds;
+    }
+
+    ret = wasm_runtime_call_wasm(tmp_module_env.exec_env, func, 1, argv);
+    if (!ret) {
+        printf("\nFailed to wasm_runtime_call_wasm!\n");
+    }
+
+    exception = wasm_runtime_get_exception(tmp_module_env.wasm_module_inst);
+    EXPECT_EQ(0,
+              strncmp("Exception: out of bounds memory access", exception, 38));
+
+failed_out_of_bounds:
+    destroy_module_env(tmp_module_env);
+}
+
+TEST_F(TEST_SUITE_NAME, test_mem_grow_out_of_bounds)
+{
+    struct ret_env tmp_module_env;
+    WASMFunctionInstanceCommon *func_mem_grow = nullptr;
+    WASMFunctionInstanceCommon *func_mem_size = nullptr;
+    bool ret = false;
+    // after refactor, the 65536 pages to one 4G page optimization is removed
+    // the size can be 65536 now, so use 2 + 65535 to test OOB
+    uint32 argv[1] = { 65535 };
+    const char *exception = nullptr;
+
+    // Test case: module((memory 2)), memory.grow 65535, then memory.size.
+    tmp_module_env = load_wasm((char *)"/mem_grow_out_of_bounds_01.wasm", 0);
+    func_mem_grow = wasm_runtime_lookup_function(
+        tmp_module_env.wasm_module_inst, "mem_grow");
+    if (!func_mem_grow) {
+        printf("\nFailed to wasm_runtime_lookup_function!\n");
+        goto failed_out_of_bounds;
+    }
+
+    func_mem_size = wasm_runtime_lookup_function(
+        tmp_module_env.wasm_module_inst, "mem_size");
+    if (!func_mem_size) {
+        printf("\nFailed to wasm_runtime_lookup_function!\n");
+        goto failed_out_of_bounds;
+    }
+
+    ret =
+        wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_grow, 1, argv);
+    if (!ret) {
+        printf("\nFailed to wasm_runtime_call_wasm!\n");
+        goto failed_out_of_bounds;
+    }
+
+    EXPECT_EQ(-1, argv[0]);
+
+    ret =
+        wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_size, 0, argv);
+    if (!ret) {
+        printf("\nFailed to wasm_runtime_call_wasm!\n");
+        goto failed_out_of_bounds;
+    }
+
+    EXPECT_EQ(2, argv[0]);
+
+    // Test case: wasm_runtime_instantiate(heap_size=32768), memory.grow 65535,
+    // memory.grow 1.
+    destroy_module_env(tmp_module_env);
+    tmp_module_env =
+        load_wasm((char *)"/mem_grow_out_of_bounds_02.wasm", 32768);
+    func_mem_grow = wasm_runtime_lookup_function(
+        tmp_module_env.wasm_module_inst, "mem_grow");
+    if (!func_mem_grow) {
+        printf("\nFailed to wasm_runtime_lookup_function!\n");
+        goto failed_out_of_bounds;
+    }
+
+    func_mem_size = wasm_runtime_lookup_function(
+        tmp_module_env.wasm_module_inst, "mem_size");
+    if (!func_mem_size) {
+        printf("\nFailed to wasm_runtime_lookup_function!\n");
+        goto failed_out_of_bounds;
+    }
+
+    ret =
+        wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_size, 0, argv);
+    if (!ret) {
+        printf("\nFailed to wasm_runtime_call_wasm!\n");
+        goto failed_out_of_bounds;
+    }
+    EXPECT_EQ(2, argv[0]);
+
+    argv[0] = 65535;
+    ret =
+        wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_grow, 1, argv);
+    if (!ret) {
+        printf("\nFailed to wasm_runtime_call_wasm!\n");
+        goto failed_out_of_bounds;
+    }
+
+    EXPECT_NE(2, argv[0]);
+
+    argv[0] = 1;
+    ret =
+        wasm_runtime_call_wasm(tmp_module_env.exec_env, func_mem_grow, 1, argv);
+    if (!ret) {
+        printf("\nFailed to wasm_runtime_call_wasm!\n");
+        goto failed_out_of_bounds;
+    }
+
+    EXPECT_EQ(2, argv[0]);
+
+failed_out_of_bounds:
+    destroy_module_env(tmp_module_env);
+}

tests/unit/linear-memory-wasm/mem_grow_out_of_bounds_01.wast

@@ -0,0 +1,16 @@
+(module
+  (type $0 (func (result i32)))
+  (type $1 (func (param i32) (result i32)))
+  (memory 2)
+  (export "mem_grow" (func $6))
+  (export "mem_size" (func $7))
+ 
+  (func $6 (type $1) (param $0 i32) (result i32)
+    local.get $0
+    memory.grow
+    )
+
+  (func $7 (type $0) (result i32)
+    memory.size
+    )
+)

tests/unit/linear-memory-wasm/mem_grow_out_of_bounds_02.wast

@@ -0,0 +1,16 @@
+(module
+  (type $0 (func (result i32)))
+  (type $1 (func (param i32) (result i32)))
+  (memory 1)
+  (export "mem_grow" (func $6))
+  (export "mem_size" (func $7))
+ 
+  (func $6 (type $1) (param $0 i32) (result i32)
+    local.get $0
+    memory.grow
+    )
+
+  (func $7 (type $0) (result i32)
+    memory.size
+    )
+)

tests/unit/linear-memory-wasm/mem_page_01.wast

@@ -0,0 +1 @@
+(module (memory 0))

tests/unit/linear-memory-wasm/mem_page_02.wast

@@ -0,0 +1 @@
+(module (memory 1))

tests/unit/linear-memory-wasm/mem_page_03.wast

@@ -0,0 +1 @@
+(module (memory 65536))

tests/unit/linear-memory-wasm/mem_page_04.wast

@@ -0,0 +1 @@
+(module (memory 65537)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_05.wast

@@ -0,0 +1 @@
+(module (memory 0 0))

tests/unit/linear-memory-wasm/mem_page_06.wast

@@ -0,0 +1 @@
+(module (memory 1 0)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_07.wast

@@ -0,0 +1 @@
+(module (memory 1 1))

tests/unit/linear-memory-wasm/mem_page_08.wast

@@ -0,0 +1 @@
+(module (memory 0 1))

tests/unit/linear-memory-wasm/mem_page_09.wast

@@ -0,0 +1 @@
+(module (memory 1 256))

tests/unit/linear-memory-wasm/mem_page_10.wast

@@ -0,0 +1 @@
+(module (memory 0 65535))

tests/unit/linear-memory-wasm/mem_page_11.wast

@@ -0,0 +1 @@
+(module (memory 65535 0)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_12.wast

@@ -0,0 +1 @@
+(module (memory 0 65536))

tests/unit/linear-memory-wasm/mem_page_13.wast

@@ -0,0 +1 @@
+(module (memory 65536 0)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_14.wast

@@ -0,0 +1 @@
+(module (memory 65535 65536))

tests/unit/linear-memory-wasm/mem_page_15.wast

@@ -0,0 +1 @@
+(module (memory 65536 65535)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_16.wast

@@ -0,0 +1 @@
+(module (memory 65536 65536))

tests/unit/linear-memory-wasm/mem_page_17.wast

@@ -0,0 +1 @@
+(module (memory 65537 65537)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_18.wast

@@ -0,0 +1 @@
+(module (memory 65537 65535)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_19.wast

@@ -0,0 +1 @@
+(module (memory 65535 65537)) ;; Should report an error.

tests/unit/linear-memory-wasm/mem_page_20.wast

@@ -0,0 +1 @@
+(module (memory 65535))

tests/unit/linear-memory-wasm/out_of_bounds.wast

@@ -0,0 +1,10 @@
+(module
+  (type $1 (func (param i32) (result i32)))
+  (memory $3 0)
+  (export "load" (func $4))
+
+  (func $4 (type $1) (param $0 i32) (result i32)
+    local.get $0
+    i32.load
+    )
+)

tests/unit/linear-memory-wasm/readme

@@ -0,0 +1,2 @@
+build 64 bit target: cmake ..
+build 32 bit target: cmake .. -DWAMR_BUILD_TARGET=X86_32