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feat: Added timezone infrastructure.

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Spencer Brower
2026-07-24 10:45:00 -04:00
parent 0d1e9ba352
commit 4d847d95d3
3 changed files with 202 additions and 1 deletions
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mustache/format_test.odin
+101
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@@ -209,3 +209,104 @@ test_format_date_combined_go_reference_layout :: proc(t: ^testing.T) {
result := format_date(dt, "Mon Jan 2 15:04:05 MST 2006")
testing.expect_value(t, result, "Sun Oct 15 13:18:50 UTC 2023")
}
// ---------------------------------------------------------------------------
// format_offset
// ---------------------------------------------------------------------------
@(test)
test_format_offset_zero :: proc(t: ^testing.T) {
testing.expect_value(t, format_offset(0), "UTC")
}
@(test)
test_format_offset_negative :: proc(t: ^testing.T) {
testing.expect_value(t, format_offset(-14400), "UTC-04:00")
}
@(test)
test_format_offset_positive :: proc(t: ^testing.T) {
testing.expect_value(t, format_offset(19800), "UTC+05:30")
}
// ---------------------------------------------------------------------------
// get_cached_tz / convert_to_tz (require system zoneinfo)
// ---------------------------------------------------------------------------
@(test)
test_get_cached_tz_utc_returns_nil :: proc(t: ^testing.T) {
tz, ok := get_cached_tz("UTC")
testing.expect_value(t, ok, true)
testing.expect_value(t, tz == nil, true)
}
@(test)
test_get_cached_tz_empty_returns_nil :: proc(t: ^testing.T) {
tz, ok := get_cached_tz("")
testing.expect_value(t, ok, true)
testing.expect_value(t, tz == nil, true)
}
@(test)
test_get_cached_tz_loads_named_region :: proc(t: ^testing.T) {
tz, ok := get_cached_tz("America/New_York")
defer destroy_tz_cache()
if !ok do return
testing.expect(t, tz != nil, "should load TZ_Region for America/New_York")
}
@(test)
test_convert_to_tz_no_offset_assumes_target :: proc(t: ^testing.T) {
tz, tz_ok := get_cached_tz("America/New_York")
defer destroy_tz_cache()
if !tz_ok do return
c := Date_Components{
year = 2026, month = 3, day = 15,
hour = 8, minute = 49, second = 54,
}
result, ok := convert_to_tz(c, tz)
testing.expect_value(t, ok, true)
testing.expect_value(t, result.hour, 8)
testing.expect_value(t, result.minute, 49)
testing.expect(t, len(result.tz_abbr) > 0, "should resolve abbreviation")
}
@(test)
test_convert_to_tz_with_offset_converts :: proc(t: ^testing.T) {
tz, tz_ok := get_cached_tz("America/New_York")
defer destroy_tz_cache()
if !tz_ok do return
// 2026-03-15T12:49:54Z (UTC) → 08:49:54 EDT (UTC-4)
c := Date_Components{
year = 2026, month = 3, day = 15,
hour = 12, minute = 49, second = 54,
offset_seconds = 0,
has_offset = true,
}
result, ok := convert_to_tz(c, tz)
testing.expect_value(t, ok, true)
testing.expect_value(t, result.hour, 8)
testing.expect_value(t, result.minute, 49)
testing.expect_value(t, result.tz_abbr, "EDT")
}
@(test)
test_convert_to_tz_with_negative_offset_converts :: proc(t: ^testing.T) {
tz, tz_ok := get_cached_tz("America/New_York")
defer destroy_tz_cache()
if !tz_ok do return
// 2026-03-15T08:49:54-04:00 → UTC 12:49:54 → EDT 08:49:54
c := Date_Components{
year = 2026, month = 3, day = 15,
hour = 8, minute = 49, second = 54,
offset_seconds = -14400,
has_offset = true,
}
result, ok := convert_to_tz(c, tz)
testing.expect_value(t, ok, true)
testing.expect_value(t, result.hour, 8)
testing.expect_value(t, result.tz_abbr, "EDT")
}