Add argparse 0.2.2 as a dependency

This patch adds the crate rust-argparse [0] in version 0.2.2 as a
dependency, as discussed in issue #4.

[0]  https://github.com/tailhook/rust-argparse

Import subrepo argparse/:argparse at 0de60a5e6d9ee1a3570d6089afd3ccd6ed7480c5

1 files changed, 107 insertions, 0 deletions

diff --git a/argparse/src/test_int.rs b/argparse/src/test_int.rs
new file mode 100644
index 0000000..1826eaf
--- /dev/null
+++ b/argparse/src/test_int.rs
@@ -0,0 +1,107 @@
+use parser::ArgumentParser;
+use super::{IncrBy,DecrBy};
+use super::Store;
+use test_parser::{check_ok};
+
+fn incr_int(args: &[&str]) -> usize {
+    let mut val = 0;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-i", "--incr"], IncrBy(1usize),
+            "Increment value");
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+#[test]
+fn test_incr_int() {
+    assert_eq!(incr_int(&["./argparse_test"]), 0);
+    assert_eq!(incr_int(&["./argparse_test", "--incr"]), 1);
+    assert_eq!(incr_int(&["./argparse_test", "-iiiii"]), 5);
+}
+
+fn decr_int(args: &[&str]) -> isize {
+    let mut val = 5;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-d", "--decr"], DecrBy(1isize),
+            "Decrement value");
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+#[test]
+fn test_decr_int() {
+    assert_eq!(decr_int(&["./argparse_test"]), 5);
+    assert_eq!(decr_int(&["./argparse_test", "--decr"]), 4);
+    assert_eq!(decr_int(&["./argparse_test", "-dddddd"]), -1);
+}
+
+#[test]
+fn test_incr_decr() {
+    let mut val = 0;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-d", "--decr"], DecrBy(1isize),
+            "Decrement value")
+          .add_option(&["-i", "--incr"], IncrBy(1isize),
+            "Increment value");
+        check_ok(&ap, &["./argparse_test",
+            "-iiddd", "--incr", "-iii"]);
+    }
+    assert_eq!(val, 3);
+}
+
+fn set_int(args: &[&str]) -> isize {
+    let mut val = 0;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-s", "--set"], Store,
+            "Set integer value");
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+#[test]
+fn test_set_int() {
+    assert_eq!(set_int(&["./argparse_test", "-s", "10"]), 10);
+    assert_eq!(set_int(&["./argparse_test", "--set", "99"]), 99);
+    assert_eq!(set_int(&["./argparse_test", "-s", "7", "-s77"]), 77);
+    assert_eq!(set_int(&["./argparse_test", "-s333", "--set=123"]), 123);
+}
+
+#[test]
+#[should_panic(expected="Bad value 1.5")]
+fn test_set_int_bad() {
+    set_int(&["./argparse_test", "-s1.5"]);
+}
+
+fn set_i16(args: &[&str]) -> i16 {
+    let mut val = 0;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-s", "--set"], Store,
+            "Set integer value");
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+#[test]
+fn test_i16() {
+    assert_eq!(set_i16(&["./argparse_test", "-s", "124"]), 124);
+}
+
+#[test]
+#[should_panic(expected="Bad value 1000000")]
+fn test_i16_big() {
+    set_i16(&["./argparse_test", "-s", "1000000"]);
+}