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-rw-r--r--test/ldblib.test.js310
1 files changed, 310 insertions, 0 deletions
diff --git a/test/ldblib.test.js b/test/ldblib.test.js
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+++ b/test/ldblib.test.js
@@ -0,0 +1,310 @@
+"use strict";
+
+const lua = require('../src/lua.js');
+const lauxlib = require('../src/lauxlib.js');
+const lualib = require('../src/lualib.js');
+const {to_luastring} = require("../src/fengaricore.js");
+
+test('debug.sethook', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local result = ""
+
+ debug.sethook(function (event)
+ result = result .. event .. " "
+ end, "crl", 1)
+
+ local l = function() end
+
+ l()
+ l()
+ l()
+
+ return result
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tojsstring(L, -1))
+ .toBe("return count line count line count line call count line return count line count line call count line return count line count line call count line return count line ");
+});
+
+
+test('debug.gethook', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local result = ""
+
+ debug.sethook(function (event)
+ result = result .. event .. " "
+ end, "crl", 1)
+
+ local l = function() end
+
+ l()
+ l()
+ l()
+
+ return debug.gethook()
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_typename(L, lua.lua_type(L, -3)))
+ .toEqual(to_luastring("function"));
+ expect(lua.lua_tojsstring(L, -2)).toBe("crl");
+ expect(lua.lua_tointeger(L, -1)).toBe(1);
+});
+
+
+test('debug.getlocal', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local alocal = "alocal"
+ local another = "another"
+
+ local result = ""
+
+ local l = function()
+ local infunction = "infunction"
+ local anotherin = "anotherin"
+ result = table.concat(table.pack(debug.getlocal(2, 1)), " ")
+ .. table.concat(table.pack(debug.getlocal(2, 2)), " ")
+ .. table.concat(table.pack(debug.getlocal(1, 1)), " ")
+ .. table.concat(table.pack(debug.getlocal(1, 2)), " ")
+ end
+
+ l()
+
+ return result
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tojsstring(L, -1))
+ .toBe("alocal alocalanother anotherinfunction infunctionanotherin anotherin");
+});
+
+test('debug.setlocal', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local alocal = "alocal"
+ local another = "another"
+
+ local l = function()
+ local infunction = "infunction"
+ local anotherin = "anotherin"
+
+ debug.setlocal(2, 1, 1)
+ debug.setlocal(2, 2, 2)
+ debug.setlocal(1, 1, 3)
+ debug.setlocal(1, 2, 4)
+
+ return infunction, anotherin
+ end
+
+ local a, b = l()
+
+ return alocal, another, a, b
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tointeger(L, -4)).toBe(1);
+ expect(lua.lua_tointeger(L, -3)).toBe(2);
+ expect(lua.lua_tointeger(L, -2)).toBe(3);
+ expect(lua.lua_tointeger(L, -1)).toBe(4);
+});
+
+test('debug.upvalueid', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local upvalue = "upvalue"
+
+ local l = function()
+ return upvalue
+ end
+
+ return debug.upvalueid(l, 1)
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_touserdata(L, -1)).toBeTruthy();
+});
+
+
+test('debug.upvaluejoin', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local upvalue1 = "upvalue1"
+ local upvalue2 = "upvalue2"
+
+ local l1 = function()
+ return upvalue1
+ end
+
+ local l2 = function()
+ return upvalue2
+ end
+
+ debug.upvaluejoin(l1, 1, l2, 1)
+
+ return l1()
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tojsstring(L, -1))
+ .toBe("upvalue2");
+});
+
+
+test('debug.traceback (with a global)', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local trace
+
+ rec = function(n)
+ n = n or 0
+ if n < 10 then
+ rec(n + 1)
+ else
+ trace = debug.traceback()
+ end
+ end
+
+ rec()
+
+ return trace
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ luaCode = to_luastring(luaCode);
+ lauxlib.luaL_loadbuffer(L, luaCode, luaCode.length, to_luastring("traceback-test"));
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tojsstring(L, -1))
+ .toBe(`stack traceback:
+\t[string "traceback-test"]:9: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:7: in function 'rec'
+\t[string "traceback-test"]:13: in main chunk`);
+});
+
+
+test('debug.traceback (with a upvalue)', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local trace
+ local rec
+
+ rec = function(n)
+ n = n or 0
+ if n < 10 then
+ rec(n + 1)
+ else
+ trace = debug.traceback()
+ end
+ end
+
+ rec()
+
+ return trace
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ luaCode = to_luastring(luaCode);
+ lauxlib.luaL_loadbuffer(L, luaCode, luaCode.length, to_luastring("traceback-test"));
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tojsstring(L, -1))
+ .toBe(`stack traceback:
+\t[string "traceback-test"]:10: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in upvalue 'rec'
+\t[string "traceback-test"]:8: in local 'rec'
+\t[string "traceback-test"]:14: in main chunk`);
+});
+
+test('debug.getinfo', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ local alocal = function(p1, p2) end
+ global = function() return alocal end
+
+ local d1 = debug.getinfo(alocal)
+ local d2 = debug.getinfo(global)
+
+ return d1.short_src, d1.nups, d1.what, d1.nparams,
+ d2.short_src, d2.nups, d2.what, d2.nparams
+ `;
+ {
+ lualib.luaL_openlibs(L);
+ luaCode = to_luastring(luaCode);
+ lauxlib.luaL_loadbuffer(L, luaCode, luaCode.length, to_luastring("getinfo-test"));
+ lua.lua_call(L, 0, -1);
+ }
+
+ expect(lua.lua_tojsstring(L, -8)).toBe(`[string "getinfo-test"]`);
+ expect(lua.lua_tointeger(L, -7)).toBe(0);
+ expect(lua.lua_tojsstring(L, -6)).toBe(`Lua`);
+ expect(lua.lua_tointeger(L, -5)).toBe(2);
+ expect(lua.lua_tojsstring(L, -4)).toBe(`[string "getinfo-test"]`);
+ expect(lua.lua_tointeger(L, -3)).toBe(1);
+ expect(lua.lua_tojsstring(L, -2)).toBe(`Lua`);
+ expect(lua.lua_tointeger(L, -1)).toBe(0);
+});
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