Merge pull request #239 from udoprog/spans

Support spans when deserializing serde structures

1 files changed, 66 insertions, 0 deletions

diff --git a/test-suite/tests/spanned.rs b/test-suite/tests/spanned.rs
new file mode 100644
index 0000000..1b110f0
--- /dev/null
+++ b/test-suite/tests/spanned.rs
@@ -0,0 +1,66 @@
+extern crate serde;
+extern crate toml;
+#[macro_use]
+extern crate serde_derive;
+
+use toml::Spanned;
+use toml::value::Datetime;
+use std::collections::HashMap;
+
+/// A set of good datetimes.
+pub fn good_datetimes() -> Vec<&'static str> {
+    let mut v = Vec::new();
+    v.push("1997-09-09T09:09:09Z");
+    v.push("1997-09-09T09:09:09+09:09");
+    v.push("1997-09-09T09:09:09-09:09");
+    v.push("1997-09-09T09:09:09");
+    v.push("1997-09-09");
+    v.push("09:09:09");
+    v.push("1997-09-09T09:09:09.09Z");
+    v.push("1997-09-09T09:09:09.09+09:09");
+    v.push("1997-09-09T09:09:09.09-09:09");
+    v.push("1997-09-09T09:09:09.09");
+    v.push("09:09:09.09");
+    v
+}
+
+#[test]
+fn test_spanned_field() {
+    #[derive(Deserialize)]
+    struct Foo<T> {
+        foo: Spanned<T>,
+    }
+
+    fn good<'de, T>(s: &'de str, expected: &str) where T: serde::Deserialize<'de> {
+        let foo: Foo<T> = toml::from_str(s).unwrap();
+
+        assert_eq!(6, foo.foo.start());
+        assert_eq!(s.len(), foo.foo.end());
+        assert_eq!(expected, &s[foo.foo.start()..foo.foo.end()]);
+    }
+
+    good::<String>("foo = \"foo\"", "\"foo\"");
+    good::<u32>("foo = 42", "42");
+    // leading plus
+    good::<u32>("foo = +42", "+42");
+    // table
+    good::<HashMap<String, u32>>(
+        "foo = {\"foo\" = 42, \"bar\" = 42}",
+        "{\"foo\" = 42, \"bar\" = 42}"
+    );
+    // array
+    good::<Vec<u32>>(
+        "foo = [0, 1, 2, 3, 4]",
+        "[0, 1, 2, 3, 4]"
+    );
+    // datetime
+    good::<String>(
+        "foo = \"1997-09-09T09:09:09Z\"",
+        "\"1997-09-09T09:09:09Z\""
+    );
+
+    for expected in good_datetimes() {
+        let s = format!("foo = {}", expected);
+        good::<Datetime>(&s, expected);
+    }
+}