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ark_js_runtime/docs/development-example-zh.md
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# 开发实例<a name="ZH-CN_TOPIC_0000001128096218"></a>
- [开发实例<a name="ZH-CN_TOPIC_0000001128096218"></a>](#开发实例)
- [HelloWorld<a name="section105987593810"></a>](#helloworld)
- [运行前准备](#运行前准备)
- [运行hello-world.js](#运行hello-worldjs)
- [反汇编hello-world.abc](#反汇编hello-worldabc)
- [运行Test262测试用例<a name="section118471435115815"></a>](#运行test262测试用例)
- [运行前准备](#运行前准备-1)
- [运行Test262](#运行test262)
- [测试运行示例](#测试运行示例)
- [测试输出](#测试输出)
本章节将介绍基于方舟运行时的开发测试实例。
## HelloWorld<a name="section105987593810"></a>
### 运行前准备
1. 编译方舟运行时,编译命令:
编译x64版本:
```
./build.sh --product-name rk3568 --build-target ark_js_host_linux_tools_packages --build-target ark_ts2abc_build # arm平台和host端运行工具
```
编译arm64版本:
```
./build.sh --product-name ohos_arm64 --build-target ark_js_vm --build-target ld-musl-aarch64.so.1
```
编译arm32版本:
```
./build.sh --product-name rk3568 --build-target ark_js_runtime --build-target ld-musl-arm.so.1
```
2. 编译方舟前端,编译命令:
```
./build.sh --product-name hispark_taurus_standard --build-target ark_ts2abc_build
```
**说明**:上述编译命令为release版本,且执行路径为项目根目录。编译debug版本需增加编译选项:--gn-args is_debug=true。
### 运行hello-world.js
新建hello-world.js文件,写入以下源码:
```
print("Hello World!!!");
```
运行步骤:
1. 通过方舟前端生成hello-world.abc文件,编译命令:
```
node --expose-gc /your code path/out/hispark_taurus/clang_x64/ark/ark/build/src/index.js hello-world.js
```
2. 执行hello-world.abc文件:
1. 设置搜索路径:
```
export LD_LIBRARY_PATH= /your code path/out/hispark_taurus/clang_x64/ark/ark:/your code path/out/hispark_taurus/clang_x64/ark/ark_js_runtime:/your code path/out/hispark_taurus/clang_x64/global/i18n_standard:/your code path/prebuilts/clang/ohos/linux-x86_64/llvm/lib
```
2. 执行ark\_js\_vm
```
/your code path/out/hispark_taurus/clang_x64/ark/ark_js_runtime/ark_js_vm hello-world.abc
```
执行结果如下:
```
Hello World!!!
```
**说明**:此处“_your code path_”为源码目录路径。
### 反汇编hello-world.abc
编译生成反汇编工具:
```
./build.sh --product-name rk3568 --build-target ark_host_linux_tools_packages
```
执行如下命令,结果输出到output.pa文件中:
```
./your code path/out/hispark_taurus/clang_x64/ark/ark/ark_disasm hello-world.abc output.pa
```
hello-world.abc反汇编结果如下:
```
#
# source binary: hello-world.abc
#
# ====================
# LITERALS
# ====================
# RECORDS
.record _ESAnnotation <external>
.record _ESModuleMode {
u8 isModule
}
# ====================
# METHODS
.function any func_main_0_any_any_any_any_(any a0, any a1, any a2) <static> {
mov.dyn v2, a2
mov.dyn v1, a1
mov.dyn v0, a0
builtin.acc
sta.dyn v5
builtin.idi "print", 0x0 // 加载print函数
sta.dyn v3
lda.str "Hello World!!!" // 加载Hello World!!!字符串
sta.dyn v4
builtin.tern3 v3, v4 // 调用print函数
builtin.acc
}
```
## 运行Test262测试用例<a name="section118471435115815"></a>
### 运行前准备
1. 编译方舟运行时,编译命令:
```
./build.sh --product-name hispark_taurus_standard --build-target ark_js_host_linux_tools_packages
```
1. 编译方舟前端,编译命令:
```
./build.sh --product-name hispark_taurus_standard --build-target ark_ts2abc_build
```
**说明**:编译命令执行路径为项目根目录。
### 运行Test262
运行run\_test262.py脚本,下载及运行Test262用例。
命令行格式:
```
python3 test262/run_test262.py [options]
```
执行路径为:项目根目录/ark/ts2abc。
<a name="table11141827153017"></a>
<table><thead align="left"><tr id="row101462717303"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p51552743010"><a name="p51552743010"></a><a name="p51552743010"></a>选项</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p11592710304"><a name="p11592710304"></a><a name="p11592710304"></a>描述</p>
</th>
</tr>
</thead>
<tbody><tr id="row2015172763014"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p171592710306"><a name="p171592710306"></a><a name="p171592710306"></a>--h--help</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p13151527133011"><a name="p13151527133011"></a><a name="p13151527133011"></a>帮助提示</p>
</td>
</tr>
<tr id="row1015527173015"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1615182712308"><a name="p1615182712308"></a><a name="p1615182712308"></a>--dir DIR</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p9556101593120"><a name="p9556101593120"></a><a name="p9556101593120"></a>选定要测试的目录</p>
</td>
</tr>
<tr id="row1015112763020"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1815182733012"><a name="p1815182733012"></a><a name="p1815182733012"></a>--file FILE</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1615627173019"><a name="p1615627173019"></a><a name="p1615627173019"></a>选定要测试的文件</p>
</td>
</tr>
<tr id="row131515277307"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p111572716304"><a name="p111572716304"></a><a name="p111572716304"></a>--mode [{1, 2, 3}]</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1655718513105"><a name="p1655718513105"></a><a name="p1655718513105"></a>模式选择,1:仅默认值;2:仅严格模式;3:默认模式和严格模式</p>
</td>
</tr>
<tr id="row1815112753020"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p2151927193015"><a name="p2151927193015"></a><a name="p2151927193015"></a>--es51</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1715312588115"><a name="p1715312588115"></a><a name="p1715312588115"></a>运行Test262 ES5.1版本</p>
</td>
</tr>
<tr id="row1915182703012"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p17151527133017"><a name="p17151527133017"></a><a name="p17151527133017"></a>--es2015 [{all, only}]</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p15761152983113"><a name="p15761152983113"></a><a name="p15761152983113"></a>运行Test262 ES2015版本,all:包含的所有用例;only:仅包括ES2015</p>
</td>
</tr>
<tr id="row10924204611109"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p18924846111013"><a name="p18924846111013"></a><a name="p18924846111013"></a>--esnext</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p15495042191410"><a name="p15495042191410"></a><a name="p15495042191410"></a>运行Test262-ES.next</p>
</td>
</tr>
<tr id="row5161145010105"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p716125071020"><a name="p716125071020"></a><a name="p716125071020"></a>--engine FILE</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p121612050181014"><a name="p121612050181014"></a><a name="p121612050181014"></a>运行测试的其他引擎,指定二进制文件(如:d8,hermes,jsc,qjs...</p>
</td>
</tr>
<tr id="row1325585931120"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p112561595112"><a name="p112561595112"></a><a name="p112561595112"></a>--babel</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p32561959111112"><a name="p32561959111112"></a><a name="p32561959111112"></a>是否使用Babel转换</p>
</td>
</tr>
<tr id="row95230818126"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p12523158191210"><a name="p12523158191210"></a><a name="p12523158191210"></a>--timeout TIMEOUT</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p65233871210"><a name="p65233871210"></a><a name="p65233871210"></a>设置测试超时时间(以毫秒为单位)</p>
</td>
</tr>
<tr id="row474911612120"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1274912166123"><a name="p1274912166123"></a><a name="p1274912166123"></a>--threads THREADS</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p4749121631210"><a name="p4749121631210"></a><a name="p4749121631210"></a>设置并行运行线程数</p>
</td>
</tr>
<tr id="row561512363122"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p26152036191218"><a name="p26152036191218"></a><a name="p26152036191218"></a>--hostArgs HOSTARGS</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p156151636161215"><a name="p156151636161215"></a><a name="p156151636161215"></a>传递给eshost主机的命令行参数</p>
</td>
</tr>
<tr id="row77091648111210"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p18709164871213"><a name="p18709164871213"></a><a name="p18709164871213"></a>--ark-tool ARK_TOOL</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p16709194812126"><a name="p16709194812126"></a><a name="p16709194812126"></a>方舟运行时的二进制工具</p>
</td>
</tr>
<tr id="row3767145231210"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p3767155201216"><a name="p3767155201216"></a><a name="p3767155201216"></a>--ark-frontend-tool ARK_FRONTEND_TOOL</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p4767195251220"><a name="p4767195251220"></a><a name="p4767195251220"></a>方舟前端转换工具</p>
</td>
</tr>
<tr id="row753817001311"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p553870111318"><a name="p553870111318"></a><a name="p553870111318"></a>--libs-dir LIBS_DIR</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p35384041313"><a name="p35384041313"></a><a name="p35384041313"></a>依赖so的路径集合,通过“:”分割</p>
</td>
</tr>
<tr id="row08504716135"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p11851747161314"><a name="p11851747161314"></a><a name="p11851747161314"></a>--ark-frontend [{ts2panda, es2panda}]</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1085144712137"><a name="p1085144712137"></a><a name="p1085144712137"></a>指定前端</p>
</td>
</tr>
</tbody>
</table>
### 测试运行示例
- 运行ES51测试用例:
```
python3 test262/run_test262.py --es51
```
- 仅运行ES2015测试用例:
```
python3 test262/run_test262.py --es2015
```
- 仅运行ES2021测试用例:
```
python3 test262/run_test262.py --es2021 only
- 运行ES2015和ES51和ES2021所有测试用例:
```
python3 test262/run_test262.py --es2021 all
```
- 运行单一测试用例:
```
python3 test262/run_test262.py --file test262/data/test_es5/language/statements/break/12.8-1.js
```
- 运行某目录下所有测试用例:
```
python3 test262/run_test262.py --dir test262/data/test_es5/language/statements
```
- 使用\`babel\`把单个测试用例转换成es5后再运行:
```
python3 test262/run_test262.py --babel --file test262/data/test_es5/language/statements/break/12.8-1.js
```
### 测试输出
Test262所有用例的测试结果位于项目根目录/ark/ts2abc/out下。shell中测试输出结果如下:
```
$python3 test262/run_test262.py --file test262/data/test_es2015/built-ins/Array/15.4.5.1-5-1.js
Wait a moment..........
Test command:
node
test262/harness/bin/run.js
--hostType=panda
--hostPath=python3
--hostArgs='-B test262/run_sunspider.py --ark-tool=/your code path/out/hispark_taurus/clang_x64/ark/ark_js_runtime/ark_js_vm --ark-frontend-tool=/your code path/out/hispark_taurus/clang_x64/ark/ark/build/src/index.js --libs-dir=/your code path/out/hispark_taurus/clang_x64/ark/ark:/your code path/out/hispark_taurus/clang_x64/global/i18n:/your code path/prebuilts/clang/ohos/linux-x86_64/llvm/lib/ --ark-frontend=ts2panda'
--threads=15
--mode=only strict mode
--timeout=60000
--tempDir=build/test262
--test262Dir=test262/data
--saveCompiledTests
test262/data/test_es5/language/statements/break/12.8-1.js
PASS test262/data/test_es2015/built-ins/Array/15.4.5.1-5-1.js (strict mode)
Ran 1 tests
1 passed
0 failed
used time is: 0:01:04.439642
```