Add some basic string functions: index, rindes, find, substr, split, concat, connect.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/test/run-pass/lib-str.rs b/src/test/run-pass/lib-str.rs
index 585f9b8d..f3552aad 100644
--- a/src/test/run-pass/lib-str.rs
+++ b/src/test/run-pass/lib-str.rs
@@ -11,6 +11,90 @@ fn test_bytes_len() {
   check (_str.byte_len("\U0001d11e") == 4u);
 }
 
+fn test_index_and_rindex() {
+  check(_str.index("hello", 'e' as u8) == 1);
+  check(_str.index("hello", 'o' as u8) == 4);
+  check(_str.index("hello", 'z' as u8) == -1);
+  check(_str.rindex("hello", 'l' as u8) == 3);
+  check(_str.rindex("hello", 'h' as u8) == 0);
+  check(_str.rindex("hello", 'z' as u8) == -1);
+}
+
+fn test_split() {
+  fn t(&str s, char c, int i, &str k) {
+    log "splitting: " + s;
+    log i;
+    auto v = _str.split(s, c as u8);
+    log "split to: ";
+    for (str z in v) {
+      log z;
+    }
+    log "comparing: " + v.(i) + " vs. " + k;
+    check(_str.eq(v.(i), k));
+  }
+  t("abc.hello.there", '.', 0, "abc");
+  t("abc.hello.there", '.', 1, "hello");
+  t("abc.hello.there", '.', 2, "there");
+  t(".hello.there", '.', 0, "");
+  t(".hello.there", '.', 1, "hello");
+  t("...hello.there.", '.', 3, "hello");
+  t("...hello.there.", '.', 5, "");
+}
+
+fn test_find() {
+  fn t(&str haystack, &str needle, int i) {
+    let int j = _str.find(haystack,needle);
+    log "searched for " + needle;
+    log j;
+    check (i == j);
+  }
+  t("this is a simple", "is a", 5);
+  t("this is a simple", "is z", -1);
+  t("this is a simple", "", 0);
+  t("this is a simple", "simple", 10);
+  t("this", "simple", -1);
+}
+
+fn test_substr() {
+  fn t(&str a, &str b, int start) {
+    check(_str.eq(_str.substr(a, start as uint,
+                              _str.byte_len(b)), b));
+  }
+
+  t("hello", "llo", 2);
+  t("hello", "el", 1);
+  t("substr should not be a challenge", "not", 14);
+}
+
+fn test_concat() {
+  fn t(&vec[str] v, &str s) {
+    check(_str.eq(_str.concat(v), s));
+  }
+
+  t(vec("you", "know", "I'm", "no", "good"), "youknowI'mnogood");
+  let vec[str] v = vec();
+  t(v, "");
+  t(vec("hi"), "hi");
+}
+
+fn test_connect() {
+  fn t(&vec[str] v, &str sep, &str s) {
+    check(_str.eq(_str.connect(v, sep), s));
+  }
+
+  t(vec("you", "know", "I'm", "no", "good"), " ", "you know I'm no good");
+  let vec[str] v = vec();
+  t(v, " ", "");
+  t(vec("hi"), " ", "hi");
+}
+
+
 fn main() {
   test_bytes_len();
+  test_index_and_rindex();
+  test_split();
+  test_find();
+  test_substr();
+  test_concat();
+  test_connect();
 }