Add tests for ADS1x13 devices

1 files changed, 55 insertions, 0 deletions

diff --git a/tests/ads1x13.rs b/tests/ads1x13.rs
new file mode 100644
index 0000000..6a2b558
--- /dev/null
+++ b/tests/ads1x13.rs
@@ -0,0 +1,55 @@
+#[macro_use(block)]
+extern crate nb;
+extern crate embedded_hal;
+extern crate embedded_hal_mock as hal;
+use hal::i2c::Transaction as I2cTrans;
+extern crate ads1x1x;
+use ads1x1x::channel;
+
+mod common;
+use common::{ new_ads1013, destroy_ads1013, new_ads1113, destroy_ads1113,
+              DEVICE_ADDRESS as DEV_ADDR, Register, BitFlags, Config };
+
+macro_rules! impl_tests {
+    ($IC:ident, $create:ident, $destroy:ident, $expected:expr) => {
+        mod $IC {
+            use embedded_hal::adc::OneShot;
+            use super::*;
+            #[test]
+            fn can_create() {
+                let dev = $create(&[]);
+                $destroy(dev);
+            }
+
+            mod would_block {
+                use super::*;
+
+                #[test]
+                fn read_if_measurement_in_progress() {
+                    let config = Config::default().with_low(BitFlags::OS);
+                    let transactions = [ I2cTrans::write_read(DEV_ADDR, vec![Register::CONFIG], vec![config.msb(), config.lsb()] ) ];
+                    let mut dev = $create(&transactions);
+                    assert_would_block!(dev.read(&mut channel::A0));
+                    $destroy(dev);
+                }
+            }
+
+            #[test]
+            fn can_measure() {
+                let default_config = Config::default();
+                let config_with_os = Config::default().with_high(BitFlags::OS);
+                let transactions = [ I2cTrans::write_read(DEV_ADDR, vec![Register::CONFIG], vec![default_config.msb(), default_config.lsb()]),
+                                    I2cTrans::write(DEV_ADDR, vec![Register::CONFIG, config_with_os.msb(), config_with_os.lsb()]),
+                                    I2cTrans::write_read(DEV_ADDR, vec![Register::CONFIG], vec![config_with_os.msb(), config_with_os.lsb()]),
+                                    I2cTrans::write_read(DEV_ADDR, vec![Register::CONVERSION], vec![0x80, 0x00] ) ];
+                let mut dev = $create(&transactions);
+                let measurement = block!(dev.read(&mut channel::A0{})).unwrap();
+                assert_eq!($expected, measurement);
+                $destroy(dev);
+            }
+        }
+    }
+}
+
+impl_tests!(ads1013, new_ads1013, destroy_ads1013,  -2048);
+impl_tests!(ads1113, new_ads1113, destroy_ads1113, -32768);