[gtksourceview] rust.lang: Add more syntax highlighting tests

[Garrett Regier <gregier src gnome org>]

commit 35b8efe267ccb439d51ff06479f69bb228b2c021
Author: Garrett Regier <garrettregier gmail com>
Date:   Sat Aug 27 08:35:04 2016 -0700

    rust.lang: Add more syntax highlighting tests

 tests/syntax-highlighting/file.rs |   53 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 52 insertions(+), 1 deletions(-)
---
diff --git a/tests/syntax-highlighting/file.rs b/tests/syntax-highlighting/file.rs
index e6ed7c9..06742ea 100644
--- a/tests/syntax-highlighting/file.rs
+++ b/tests/syntax-highlighting/file.rs
@@ -1,5 +1,56 @@
 // Comment
 
+enum Animal {
+    Dog,
+    Cat
+}
+
+struct Point {
+    x: i32,
+    y: i32
+}
+
+union MyUnion {
+    f1: u32,
+    f2: f32,
+}
+
+macro_rules! hello_world_macro {
+    () => (
+        println!("Hello World!");
+    )
+}
+
 fn main() {
-    println!("Hello World!");
+    let _i8: i8 = 1i8;
+    let _i16: i16 = 1i16;
+    let _i32: i32 = 1i32;
+    let _i64: i64 = 1i64;
+    let _isize: isize = 1isize;
+
+    let _u8: u8 = 1u8;
+    let _u16: u16 = 1u16;
+    let _u32: u32 = 1u32;
+    let _u64: u64 = 1u64;
+    let _usize: usize = 1usize;
+
+    let _f32: f32 = 3.14f32;
+    let _f64: f64 = 3.14f64;
+
+    let valid_binary = 0b0_10;
+    let invalid_binary= 0b0_13;
+
+    let valid_octal = 0o3_45;
+    let invalid_octal = 0o3_49;
+
+    let valid_hexadecimal = 0x9_AF;
+    let invalid_hexadecimal = 0x9_AZ;
+
+    let valid_char: char = 'a';
+    let invalid_char = 'ab';
+
+    let valid_byte: u8 = b'a';
+    let invalid_byte = b'ab';
+
+    hello_world_macro!();
 }