Update unit tests

caseyscarborough · Jan 24, 2023 · f8cbb07 · f8cbb07
1 parent edadda1
commit f8cbb07
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Showing 2 changed files with 20 additions and 6 deletions.
diff --git a/test/registers/loopy_test.cpp b/test/registers/loopy_test.cpp
@@ -1,15 +1,17 @@
 #include <gtest/gtest.h>
 #include "../../src/registers/loopy.h"
 
-TEST(LoopRegisterTests, test_set) {
+TEST(LoopyRegister, set) {
     LoopyRegister reg;
-    reg.set_value(0b1111111111);
-    EXPECT_EQ(reg.get_value(), 0b1111111111);
+    EXPECT_EQ(reg.get_value(), 0b0000000000000000);
+    reg.set(LoopyRegister::CoarseX, 0b11111);
+    reg.set(LoopyRegister::CoarseY, 0b11111);
+    EXPECT_EQ(reg.get_value(), 0b0000001111111111);
     reg.set(LoopyRegister::CoarseY, 0b10101);
-    EXPECT_EQ(reg.get_value(), 0b1010111111);
-    reg.set(LoopyRegister::Unused, 1);
+    EXPECT_EQ(reg.get_value(), 0b0000001010111111);
+    reg.set(LoopyRegister::Unused, 0b1);
     EXPECT_EQ(reg.get_value(), 0b1000001010111111);
-    reg.set(LoopyRegister::Unused, 0);
+    reg.set(LoopyRegister::Unused, 0b0);
     EXPECT_EQ(reg.get_value(), 0b0000001010111111);
     reg.set(LoopyRegister::FineY, 0b011);
     EXPECT_EQ(reg.get_value(), 0b0011001010111111);

diff --git a/test/utils_test.cpp b/test/utils_test.cpp
@@ -0,0 +1,12 @@
+#include <gtest/gtest.h>
+#include "../src/utils.h"
+
+TEST(utils, test_count_trailing_zeroes_when_zero) {
+    EXPECT_EQ(0, utils::count_trailing_zeroes(0));
+}
+
+TEST(utils, test_count_trailing_zeroes_when_nonzero) {
+    EXPECT_EQ(5, utils::count_trailing_zeroes(0b100100000));
+    EXPECT_EQ(0, utils::count_trailing_zeroes(0b111));
+    EXPECT_EQ(1, utils::count_trailing_zeroes(0b1010));
+}