Add unit test for stdlib.c

Author: DreamPearl

src/usr/local/src/test-stdlib.cpp

@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <testing.h>
+
+void test_min() {
+    ASSERT_TRUE(std::min(3, 6) == 3);
+    ASSERT_TRUE(std::min(6, 4) == 4);
+    ASSERT_TRUE(std::min(300, 6) == 6);
+}
+
+void test_max() {
+    ASSERT_TRUE(std::max(3, 6) == 6);
+    ASSERT_TRUE(std::max(8, 4) == 8);
+    ASSERT_TRUE(std::max(3, 600) == 600);
+}
+
+void test_abs() {
+    ASSERT_TRUE(std::abs(0) == 0);
+    ASSERT_TRUE(std::abs(3) == 3);
+    ASSERT_TRUE(std::abs(-3) == 3);
+}
+
+void test_atoi() { ASSERT_TRUE(std::atoi("36") == 36); }
+
+void test_itoa() {
+    char buffer[20];
+    std::itoa(54325, buffer, 2);
+    ASSERT_TRUE(std::strcmp(buffer, "1101010000110101") == 0);
+    std::itoa(54325, buffer, 10);
+    ASSERT_TRUE(std::strcmp(buffer, "54325") == 0);
+    std::itoa(54325, buffer, 16);
+    ASSERT_TRUE(std::strcmp(buffer, "D435") == 0);
+}
+
+void test_ftoa() {
+    char buffer[20];
+    std::ftoa(1.555, buffer, 1);
+    ASSERT_TRUE(std::strcmp(buffer, "0.1e+1") == 0);
+    std::ftoa(1.555, buffer, 2);
+    ASSERT_TRUE(std::strcmp(buffer, "0.15e+1") == 0);
+    std::ftoa(-1.555, buffer, 2);
+    ASSERT_TRUE(std::strcmp(buffer, "-0.15e+1") == 0);
+    std::ftoa(0.01555, buffer, 2);
+    ASSERT_TRUE(std::strcmp(buffer, "0.15e-1") == 0);
+    std::ftoa(0.1555, buffer, 2);
+    ASSERT_TRUE(std::strcmp(buffer, "0.15") == 0);
+}
+
+int main(int argc, char *argv[]) {
+    TEST_INIT();
+
+    RUN_TEST(test_min);
+    RUN_TEST(test_max);
+    RUN_TEST(test_abs);
+    RUN_TEST(test_atoi);
+    RUN_TEST(test_itoa);
+    RUN_TEST(test_ftoa);
+
+    TEST_SUMMARY();
+    return 0;
+}

tests/app/libraries/usr_lib_test.sh

@@ -12,3 +12,4 @@ function add_library_unit_test {
 }
 
 add_library_unit_test "test-string"
+add_library_unit_test "test-stdlib"