test_base.c

#include "test_harness.h"
 
#include "base/base_macros.h"
#include "base/base_strings.h"
#include "base/base_types.h"

typedef struct TestNode {
    struct TestNode *next; 
    struct TestNode *prev; 
    int      val;  
} TestNode;
 
TEST_CASE(macros_math)
{
    EXPECT(MIN(5, 10) == 5);
    EXPECT(MAX(5, 10) == 10);
    EXPECT(CLAMP(15, 0, 10) == 10);
    EXPECT(ALIGN_UP_POW2(10, 8) == 16);
    EXPECT(IS_POW2_OR_ZERO(16) == 1);
    EXPECT(IS_POW2_OR_ZERO(15) == 0);
}
 
TEST_CASE(macros_linked_list)
{
    TestNode *head = NULL, *tail = NULL;
    TestNode  n1 = {.val = 1};
    TestNode  n2 = {.val = 2};
 
    DLL_PUSH_BACK(head, tail, &n1);
    EXPECT(head == &n1 && tail == &n1);
 
    DLL_PUSH_BACK(head, tail, &n2);
    EXPECT(head == &n1 && tail == &n2);
    EXPECT(n1.next == &n2);
    EXPECT(n2.prev == &n1);
 
    DLL_REMOVE(head, tail, &n1);
    EXPECT(head == &n2 && tail == &n2);
}
 
TEST_CASE(strings_operations)
{
    String8 hw = STR8("Hello World");
 
    EXPECT(hw.size == 11);
 
    String8 prefix = str8_prefix(hw, 5);
    EXPECT_STR8_EQ(prefix, STR8("Hello"));
 
    String8 skipped = str8_skip(hw, 6);
    EXPECT_STR8_EQ(skipped, STR8("World"));
 
    String8 sub = str8_substr(hw, 1, 5);
    EXPECT_STR8_EQ(sub, STR8("ello"));
 
    // Safety checking (out of bounds clamp)
    String8 safe = str8_prefix(hw, 100);
    EXPECT(safe.size == 11);
}