common: Add beginnings of tests for the fmt module.

[gps-watch.git] / test / fmt_test.rs

diff --git a/test/fmt_test.rs b/test/fmt_test.rs
new file mode 100644 (file)
index 0000000..3b6c1e7
--- /dev/null
+++ b/test/fmt_test.rs
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2020 Tilman Sauerbeck (tilman at code-monkey de)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+use common::fmt;
+
+#[test]
+fn fmt_u32_pad0() {
+    let mut min_and_s = [b':'; 5];
+
+    fmt::fmt_u32_pad(&mut min_and_s[0..2], 0, 2, b' ');
+    fmt::fmt_u32_pad(&mut min_and_s[3..5], 0, 2, b'0');
+
+    assert_eq!(b" 0:00", &min_and_s);
+}
+
+#[test]
+fn fmt_u32_pad1() {
+    let mut min_and_s = [b':'; 6];
+
+    fmt::fmt_u32_pad(&mut min_and_s[0..3], 0, 3, b' ');
+    fmt::fmt_u32_pad(&mut min_and_s[4..6], 0, 2, b'0');
+
+    assert_eq!(b"  0:00", &min_and_s);
+
+}