From 7fea28f1c1b1fde209258e97824b8b16ef0ace19 Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <matthewkennedy@outlook.com>
Date: Sat, 16 Jul 2022 22:28:23 -0700
Subject: [PATCH] test arrays

---
 util/test/test_arrays.cpp | 44 +++++++++++++++++++++++++++++++++++++++
 util/util.mk              |  1 +
 2 files changed, 45 insertions(+)
 create mode 100644 util/test/test_arrays.cpp

diff --git a/util/test/test_arrays.cpp b/util/test/test_arrays.cpp
new file mode 100644
index 0000000..59ff81e
--- /dev/null
+++ b/util/test/test_arrays.cpp
@@ -0,0 +1,44 @@
+#include <rusefi/arrays.h>
+
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+
+using testing::ElementsAre;
+
+TEST(Util_Arrays, CopyArray) {
+	int arr[2];
+
+	// Copy from an initializer list
+	copyArray(arr, { 10, 20 });
+	ASSERT_THAT(arr, ElementsAre(10, 20));
+
+	// Copy from another array
+	int arr2[] = { 30, 40 };
+	copyArray(arr, arr2);
+	ASSERT_THAT(arr, ElementsAre(30, 40));
+
+	// Copy to a scaled channel
+	scaled_channel<int, 10, 1> arr3[2];
+	copyArray(arr3, { 100, 200 });
+	ASSERT_THAT(arr3, ElementsAre(100, 200));
+}
+
+TEST(Util_Arrays, CopyArrayPartial) {
+	int arr[4];
+	copyArray(arr, { 1, 2, 3, 4 });
+	ASSERT_THAT(arr, ElementsAre(1, 2, 3, 4));
+
+	// Copy a smaller array over the beginning of arr
+	copyArrayPartial(arr, { 100, 200 });
+	ASSERT_THAT(arr, ElementsAre(100, 200, 3, 4));
+}
+
+TEST(Util_Arrays, Size) {
+	int arr1[2];
+	uint8_t arr2[17];
+	scaled_channel<uint16_t, 3, 1> arr3[21];
+
+	ASSERT_EQ(2,  efi::size(arr1));
+	ASSERT_EQ(17, efi::size(arr2));
+	ASSERT_EQ(21, efi::size(arr3));
+}
diff --git a/util/util.mk b/util/util.mk
index 963a2e1..9bdfff5 100644
--- a/util/util.mk
+++ b/util/util.mk
@@ -6,5 +6,6 @@ RUSEFI_LIB_CPP += \
 	$(RUSEFI_LIB)/util/src/math.cpp \
 
 RUSEFI_LIB_CPP_TEST += \
+	$(RUSEFI_LIB)/util/test/test_arrays.cpp \
 	$(RUSEFI_LIB)/util/test/test_math.cpp \