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#include "vendor/unity/src/unity.h"
#include "../src/c/fastforge_logic.h"
#include "test_helpers.h"
#include <string.h>
void test_entry_duration_seconds_handles_invalid_ranges(void) {
FastEntry entry = {0};
TEST_ASSERT_EQUAL_INT64(0, entry_duration_seconds(NULL));
entry.start_time = 0;
entry.end_time = 100;
TEST_ASSERT_EQUAL_INT64(0, entry_duration_seconds(&entry));
entry.start_time = 200;
entry.end_time = 200;
TEST_ASSERT_EQUAL_INT64(0, entry_duration_seconds(&entry));
entry.start_time = 200;
entry.end_time = 150;
TEST_ASSERT_EQUAL_INT64(0, entry_duration_seconds(&entry));
entry.start_time = 200;
entry.end_time = 280;
TEST_ASSERT_EQUAL_INT64(80, entry_duration_seconds(&entry));
}
void test_stage_thresholds_and_labels(void) {
TEST_ASSERT_EQUAL_UINT8(0, stage_level_for_elapsed(0));
TEST_ASSERT_EQUAL_UINT8(0, stage_level_for_elapsed((12 * 3600) - 1));
TEST_ASSERT_EQUAL_UINT8(1, stage_level_for_elapsed(12 * 3600));
TEST_ASSERT_EQUAL_UINT8(2, stage_level_for_elapsed(18 * 3600));
TEST_ASSERT_EQUAL_UINT8(3, stage_level_for_elapsed(24 * 3600));
TEST_ASSERT_EQUAL_STRING("GLYCOGEN", stage_text_for_elapsed(11 * 3600));
TEST_ASSERT_EQUAL_STRING("FAT BURN", stage_text_for_elapsed(12 * 3600));
TEST_ASSERT_EQUAL_STRING("EARLY KETOSIS", stage_text_for_elapsed(18 * 3600));
TEST_ASSERT_EQUAL_STRING("DEEP KETOSIS", stage_text_for_elapsed(24 * 3600));
}
void test_formatters_clamp_negative_and_format_values(void) {
char buffer[32];
format_hhmmss(-1, buffer, sizeof(buffer));
TEST_ASSERT_EQUAL_STRING("00:00:00", buffer);
format_hhmmss(3661, buffer, sizeof(buffer));
TEST_ASSERT_EQUAL_STRING("01:01:01", buffer);
format_duration_hours_minutes(-120, buffer, sizeof(buffer));
TEST_ASSERT_EQUAL_STRING("0h 00m", buffer);
format_duration_hours_minutes(7260, buffer, sizeof(buffer));
TEST_ASSERT_EQUAL_STRING("2h 01m", buffer);
}
void test_running_fast_at_target_logic(void) {
FastEntry entry = {0};
TEST_ASSERT_FALSE(running_fast_is_at_target(NULL, 0));
entry.start_time = 0;
entry.target_minutes = 16 * 60;
TEST_ASSERT_FALSE(running_fast_is_at_target(&entry, 100));
entry.start_time = 100;
entry.end_time = 200;
TEST_ASSERT_FALSE(running_fast_is_at_target(&entry, 200));
entry.end_time = 0;
entry.target_minutes = 0;
TEST_ASSERT_FALSE(running_fast_is_at_target(&entry, 1000));
entry.target_minutes = 10;
TEST_ASSERT_FALSE(running_fast_is_at_target(&entry, 699));
TEST_ASSERT_TRUE(running_fast_is_at_target(&entry, 700));
}
void test_local_day_start_returns_midnight_utc(void) {
const time_t ts = make_utc_time(2026, 4, 5, 17, 20, 10);
const time_t expected_day_start = make_utc_time(2026, 4, 5, 0, 0, 0);
TEST_ASSERT_EQUAL_INT64(0, local_day_start(0));
TEST_ASSERT_EQUAL_INT64(0, local_day_start(-1));
TEST_ASSERT_EQUAL_INT64(expected_day_start, local_day_start(ts));
}
void test_streak_empty_input_resets_all_fields(void) {
StreakData streak;
const time_t now = make_utc_time(2026, 4, 10, 9, 0, 0);
streak.current_streak = 77;
streak.longest_streak = 88;
streak.last_completed_fast_end = 99;
fastforge_streak_recompute(NULL, 0, now, &streak);
TEST_ASSERT_EQUAL_UINT16(0, streak.current_streak);
TEST_ASSERT_EQUAL_UINT16(0, streak.longest_streak);
TEST_ASSERT_EQUAL_INT64(0, streak.last_completed_fast_end);
}
void test_streak_single_recent_completion_sets_current_and_longest(void) {
FastEntry entries[1];
StreakData streak;
const time_t now = make_utc_time(2026, 4, 10, 12, 0, 0);
memset(entries, 0, sizeof(entries));
entries[0].start_time = make_utc_time(2026, 4, 9, 8, 0, 0);
entries[0].end_time = make_utc_time(2026, 4, 9, 20, 0, 0);
fastforge_streak_recompute(entries, 1, now, &streak);
TEST_ASSERT_EQUAL_UINT16(1, streak.current_streak);
TEST_ASSERT_EQUAL_UINT16(1, streak.longest_streak);
TEST_ASSERT_EQUAL_INT64(entries[0].end_time, streak.last_completed_fast_end);
}
void test_streak_longest_can_exceed_current_when_sequence_breaks(void) {
FastEntry entries[4];
StreakData streak;
const time_t now = make_utc_time(2026, 4, 4, 23, 0, 0);
memset(entries, 0, sizeof(entries));
entries[0].start_time = make_utc_time(2026, 4, 1, 8, 0, 0);
entries[0].end_time = make_utc_time(2026, 4, 1, 20, 0, 0);
entries[1].start_time = make_utc_time(2026, 4, 2, 8, 0, 0);
entries[1].end_time = make_utc_time(2026, 4, 2, 20, 0, 0);
entries[2].start_time = make_utc_time(2026, 4, 4, 8, 0, 0);
entries[2].end_time = make_utc_time(2026, 4, 4, 20, 0, 0);
entries[3].start_time = make_utc_time(2026, 4, 4, 6, 0, 0);
entries[3].end_time = make_utc_time(2026, 4, 4, 7, 0, 0);
fastforge_streak_recompute(entries, 4, now, &streak);
TEST_ASSERT_EQUAL_UINT16(1, streak.current_streak);
TEST_ASSERT_EQUAL_UINT16(2, streak.longest_streak);
TEST_ASSERT_EQUAL_INT64(entries[2].end_time, streak.last_completed_fast_end);
}
void test_streak_drops_to_zero_after_missing_more_than_one_day(void) {
FastEntry entries[2];
StreakData streak;
const time_t now = make_utc_time(2026, 4, 10, 12, 0, 0);
memset(entries, 0, sizeof(entries));
entries[0].start_time = make_utc_time(2026, 4, 6, 8, 0, 0);
entries[0].end_time = make_utc_time(2026, 4, 6, 20, 0, 0);
entries[1].start_time = make_utc_time(2026, 4, 7, 8, 0, 0);
entries[1].end_time = make_utc_time(2026, 4, 7, 20, 0, 0);
fastforge_streak_recompute(entries, 2, now, &streak);
TEST_ASSERT_EQUAL_UINT16(0, streak.current_streak);
TEST_ASSERT_EQUAL_UINT16(2, streak.longest_streak);
TEST_ASSERT_EQUAL_INT64(entries[1].end_time, streak.last_completed_fast_end);
}
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