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, 50 insertions, 0 deletions

diff --git a/argparse/src/test_float.rs b/argparse/src/test_float.rs
new file mode 100644
index 0000000..9ef0f56
--- /dev/null
+++ b/argparse/src/test_float.rs
@@ -0,0 +1,50 @@
+use parser::ArgumentParser;
+use super::{IncrBy,DecrBy};
+use super::Store;
+use test_parser::{check_ok};
+
+fn incr_decr(args: &[&str]) -> f32 {
+    let mut val = 0f32;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-d", "--decr"], DecrBy(0.25f32),
+            "Decrement value")
+          .add_option(&["-i", "--incr"], IncrBy(0.5f32),
+            "Increment value");
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+#[test]
+fn test_incr_decr() {
+    assert_eq!(incr_decr(&["./argparse_test",
+        "--incr", "-iii"]), 2.0);
+    assert_eq!(incr_decr(&["./argparse_test",
+        "-iiddd", "--incr", "-iii"]), 2.25);
+}
+
+#[test]
+fn test_float() {
+    let mut val = 0.1;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+          .add_option(&["-s", "--set"], Store,
+            "Set float value");
+        check_ok(&ap, &["./argparse_test", "-s", "15.125"]);
+    }
+    assert_eq!(val, 15.125);
+}
+
+#[test]
+#[should_panic]
+fn test_fail() {
+    let mut val = 0.1;
+    let mut ap = ArgumentParser::new();
+    ap.refer(&mut val)
+      .add_option(&["-s", "--set"], Store,
+        "Set float value");
+    check_ok(&ap, &["./argparse_test", "-s", "test"]);
+}