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authorBenoit Giannangeli <benoit.giannangeli@boursorama.fr>2017-03-06 11:15:22 +0100
committerBenoit Giannangeli <benoit.giannangeli@boursorama.fr>2017-03-06 11:15:22 +0100
commit9d78ee372d9d4db601098d4d302df48159d7b176 (patch)
treea00fa6e59c74d4e4ded1c00adbbf510d156aa768
parentc3c1ab50646165c0e43784acb30a353dc5b40d12 (diff)
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string.rep
-rw-r--r--README.md2
-rw-r--r--src/lstrlib.js10
-rw-r--r--tests/lstrlib.js31
3 files changed, 42 insertions, 1 deletions
diff --git a/README.md b/README.md
index 8a1ba65..51c4b29 100644
--- a/README.md
+++ b/README.md
@@ -212,6 +212,7 @@
- [x] string.char
- [x] string.len
- [x] string.lower
+ - [x] string.rep
- [x] string.upper
- [ ] string.byte
- [ ] string.dump
@@ -222,7 +223,6 @@
- [ ] string.match
- [ ] string.pack
- [ ] string.packsize
- - [ ] string.rep
- [ ] string.reverse
- [ ] string.sub
- [ ] string.unpack
diff --git a/src/lstrlib.js b/src/lstrlib.js
index 96a33f5..11b266a 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -35,10 +35,20 @@ const str_upper = function(L) {
return 1;
};
+const str_rep = function(L) {
+ let s = lauxlib.luaL_checkstring(L, 1);
+ let n = lauxlib.luaL_checkinteger(L, 2);
+ let sep = lauxlib.luaL_optstring(L, 3, "");
+
+ lapi.lua_pushstring(L, (s + sep).repeat(n - 1) + s);
+ return 1;
+};
+
const strlib = {
"char": str_char,
"len": str_len,
"lower": str_lower,
+ "rep": str_rep,
"upper": str_upper
};
diff --git a/tests/lstrlib.js b/tests/lstrlib.js
index 7120525..56fa2a3 100644
--- a/tests/lstrlib.js
+++ b/tests/lstrlib.js
@@ -115,4 +115,35 @@ test('string.upper, string.lower', function (t) {
"hello",
"Correct element(s) on the stack"
);
+});
+
+
+test('string.rep', function (t) {
+ let luaCode = `
+ return string.rep("hello", 3, ", ")
+ `, L;
+
+ t.plan(3);
+
+ 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_tostring(L, -1),
+ "hello, hello, hello",
+ "Correct element(s) on the stack"
+ );
}); \ No newline at end of file