coroutines

1 files changed, 53 insertions, 0 deletions

diff --git a/tests/lcorolib.js b/tests/lcorolib.js
new file mode 100644
index 0000000..6b48912
--- /dev/null
+++ b/tests/lcorolib.js
@@ -0,0 +1,53 @@
+/*jshint esversion: 6 */
+"use strict";
+
+const test       = require('tape');
+const beautify   = require('js-beautify').js_beautify;
+
+const tests      = require("./tests.js");
+const getState   = tests.getState;
+const toByteCode = tests.toByteCode;
+
+const VM         = require("../src/lvm.js");
+const ldo        = require("../src/ldo.js");
+const lapi       = require("../src/lapi.js");
+const lauxlib    = require("../src/lauxlib.js");
+const lua        = require('../src/lua.js');
+const linit      = require('../src/linit.js');
+const CT         = lua.constant_types;
+
+test('simple coroutine', function (t) {
+    let luaCode = `
+        local co = coroutine.create(function (start)
+            local b = coroutine.yield(start * start);
+            coroutine.yield(b * b)
+        end)
+
+        local success, pow = coroutine.resume(co, 5)
+        success, pow = coroutine.resume(co, pow)
+
+        return pow
+    `, L;
+    
+    t.plan(2);
+
+    t.doesNotThrow(function () {
+
+        let bc = toByteCode(luaCode).dataView;
+
+        L = lauxlib.luaL_newstate();
+
+        linit.luaL_openlibs(L);
+
+        lapi.lua_load(L, bc, "test-coroutine");
+
+        lapi.lua_call(L, 0, -1);
+
+    }, "JS Lua program ran without error");
+
+    t.strictEqual(
+        lapi.lua_tonumber(L, -1),
+        625,
+        "Correct element(s) on the stack"
+    );
+});
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