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-rw-r--r--tests/lstrlib.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/lstrlib.js b/tests/lstrlib.js
index d4e8493..b15eecf 100644
--- a/tests/lstrlib.js
+++ b/tests/lstrlib.js
@@ -177,4 +177,47 @@ test('string.reverse', function (t) {
"hello",
"Correct element(s) on the stack"
);
+});
+
+
+test('string.byte', function (t) {
+ let luaCode = `
+ return string.byte("hello", 2, 4)
+ `, L;
+
+ t.plan(5);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ linit.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, luaCode);
+
+ }, "Lua program loaded without error");
+
+ t.doesNotThrow(function () {
+
+ lapi.lua_call(L, 0, -1);
+
+ }, "Lua program ran without error");
+
+ t.strictEqual(
+ lapi.lua_tointeger(L, -3),
+ 101,
+ "Correct element(s) on the stack"
+ );
+
+ t.strictEqual(
+ lapi.lua_tointeger(L, -2),
+ 108,
+ "Correct element(s) on the stack"
+ );
+
+ t.strictEqual(
+ lapi.lua_tointeger(L, -1),
+ 108,
+ "Correct element(s) on the stack"
+ );
}); \ No newline at end of file