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-rw-r--r--tests/lvm.js66
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/lvm.js b/tests/lvm.js
new file mode 100644
index 0000000..6ee348d
--- /dev/null
+++ b/tests/lvm.js
@@ -0,0 +1,66 @@
+"use strict";
+
+const test = require('tape');
+const fs = require('fs');
+const child_process = require('child_process');
+const beautify = require('js-beautify').js_beautify;
+const tmp = require('tmp');
+const DataView = require('buffer-dataview');
+
+const BytecodeParser = require("../src/lundump.js");
+const lua_State = require("../src/lstate.js").lua_State;
+const LuaVM = require("../src/lvm.js").LuaVM;
+
+const toByteCode = function (luaCode) {
+ var luaFile = tmp.fileSync(),
+ bclist;
+
+ fs.writeSync(luaFile.fd, luaCode);
+
+ child_process.execSync(`luac-5.3 -o ${luaFile.name}.bc ${luaFile.name}`);
+ child_process.execSync(`luac-5.3 -l ${luaFile.name} > ${luaFile.name}.bc.txt`);
+
+ bclist = fs.readFileSync(`${luaFile.name}.bc.txt`, 'utf8');
+
+ console.log(bclist);
+
+ return {
+ dataView: new DataView(fs.readFileSync(`${luaFile.name}.bc`)),
+ bclist: bclist
+ };
+};
+
+const getVM = function (luaCode) {
+ var bc = toByteCode(luaCode),
+ dv = bc.dataView,
+ bcl = bc.bclist;
+
+ let p = new BytecodeParser(dv);
+ let cl = p.luaU_undump();
+
+ let L = new lua_State(cl);
+
+ return new LuaVM(L);
+};
+
+test('LOADK, RETURN', function (t) {
+ let luaCode = `
+ local a = "hello world"
+ return a
+ `, vm;
+
+ t.plan(2);
+
+ t.comment("Running following code: \n" + luaCode);
+
+ t.doesNotThrow(function () {
+ vm = getVM(luaCode);
+ vm.execute();
+ }, "Program executed without errors");
+
+ t.strictEqual(
+ vm.L.stack[0].value,
+ "hello world",
+ "Program output is correct"
+ );
+}); \ No newline at end of file