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-rw-r--r--Tests/LibEDID/CMakeLists.txt7
-rw-r--r--Tests/LibEDID/TestEDID.cpp408
2 files changed, 415 insertions, 0 deletions
diff --git a/Tests/LibEDID/CMakeLists.txt b/Tests/LibEDID/CMakeLists.txt
new file mode 100644
index 0000000000..3349120f98
--- /dev/null
+++ b/Tests/LibEDID/CMakeLists.txt
@@ -0,0 +1,7 @@
+set(TEST_SOURCES
+ TestEDID.cpp
+)
+
+foreach(source IN LISTS TEST_SOURCES)
+ serenity_test("${source}" LibEDID LIBS LibEDID)
+endforeach()
diff --git a/Tests/LibEDID/TestEDID.cpp b/Tests/LibEDID/TestEDID.cpp
new file mode 100644
index 0000000000..aebde9f68f
--- /dev/null
+++ b/Tests/LibEDID/TestEDID.cpp
@@ -0,0 +1,408 @@
+/*
+ * Copyright (c) 2022, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibEDID/DMT.h>
+#include <LibEDID/EDID.h>
+#include <LibTest/TestCase.h>
+
+static const u8 edid1_bin[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x49, 0x14, 0x34, 0x12,
+ 0x00, 0x00, 0x00, 0x00, 0x2a, 0x18, 0x01, 0x04, 0xa5, 0x1a, 0x13, 0x78,
+ 0x06, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, 0x0f, 0x50, 0x54, 0x21,
+ 0x08, 0x00, 0xe1, 0xc0, 0xd1, 0xc0, 0xd1, 0x00, 0xa9, 0x40, 0xb3, 0x00,
+ 0x95, 0x00, 0x81, 0x80, 0x81, 0x40, 0x25, 0x20, 0x00, 0x66, 0x41, 0x00,
+ 0x1a, 0x30, 0x00, 0x1e, 0x33, 0x40, 0x04, 0xc3, 0x10, 0x00, 0x00, 0x18,
+ 0x00, 0x00, 0x00, 0xfd, 0x00, 0x32, 0x7d, 0x1e, 0xa0, 0x78, 0x01, 0x0a,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x51,
+ 0x45, 0x4d, 0x55, 0x20, 0x4d, 0x6f, 0x6e, 0x69, 0x74, 0x6f, 0x72, 0x0a,
+ 0x00, 0x00, 0x00, 0xf7, 0x00, 0x0a, 0x00, 0x40, 0x82, 0x00, 0x28, 0x20,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xc4, 0x02, 0x03, 0x0a, 0x00,
+ 0x45, 0x7d, 0x65, 0x60, 0x59, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xf2
+};
+
+TEST_CASE(edid1)
+{
+ auto edid_load_result = EDID::Parser::from_bytes({ edid1_bin, sizeof(edid1_bin) });
+ EXPECT(!edid_load_result.is_error());
+ auto edid = edid_load_result.release_value();
+ EXPECT(edid.legacy_manufacturer_id() == "RHT");
+ EXPECT(!edid.aspect_ratio().has_value());
+ auto screen_size = edid.screen_size();
+ EXPECT(screen_size.has_value());
+ EXPECT(screen_size.value().horizontal_cm() == 26);
+ EXPECT(screen_size.value().vertical_cm() == 19);
+ auto gamma = edid.gamma();
+ EXPECT(gamma.has_value());
+ EXPECT(gamma.value() >= 2.19f && gamma.value() <= 2.21f);
+ EXPECT(edid.display_product_name() == "QEMU Monitor");
+
+ {
+ static constexpr struct {
+ unsigned width;
+ unsigned height;
+ unsigned refresh_rate;
+ EDID::Parser::EstablishedTiming::Source source;
+ u8 dmt_id { 0 };
+ } expected_established_timings[] = {
+ { 640, 480, 60, EDID::Parser::EstablishedTiming::Source::IBM, 0x4 },
+ { 800, 600, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x9 },
+ { 1024, 768, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x10 },
+ { 1280, 768, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x17 },
+ { 1360, 768, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x27 },
+ { 1400, 1050, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x2a },
+ { 1792, 1344, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x3e },
+ { 1856, 1392, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x41 },
+ { 1920, 1440, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x49 }
+ };
+ static constexpr size_t expected_established_timings_count = sizeof(expected_established_timings) / sizeof(expected_established_timings[0]);
+ size_t established_timings_found = 0;
+ auto result = edid.for_each_established_timing([&](auto& established_timings) {
+ EXPECT(established_timings_found < expected_established_timings_count);
+ auto& expected_timings = expected_established_timings[established_timings_found];
+ EXPECT(established_timings.width() == expected_timings.width);
+ EXPECT(established_timings.height() == expected_timings.height);
+ EXPECT(established_timings.refresh_rate() == expected_timings.refresh_rate);
+ EXPECT(established_timings.source() == expected_timings.source);
+ EXPECT(established_timings.dmt_id() == expected_timings.dmt_id);
+ established_timings_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(established_timings_found == expected_established_timings_count);
+ }
+
+ {
+ static constexpr struct {
+ unsigned width;
+ unsigned height;
+ unsigned refresh_rate;
+ u8 dmt_id { 0 };
+ } expected_standard_established_timings[] = {
+ { 2048, 1152, 60, 0x54 },
+ { 1920, 1080, 60, 0x52 },
+ { 1920, 1200, 60, 0x45 },
+ { 1600, 1200, 60, 0x33 },
+ { 1680, 1050, 60, 0x3a },
+ { 1440, 900, 60, 0x2f },
+ { 1280, 1024, 60, 0x23 },
+ { 1280, 960, 60, 0x20 }
+ };
+ static constexpr size_t expected_standard_timings_count = sizeof(expected_standard_established_timings) / sizeof(expected_standard_established_timings[0]);
+ size_t standard_timings_found = 0;
+ auto result = edid.for_each_standard_timing([&](auto& standard_timings) {
+ EXPECT(standard_timings_found < expected_standard_timings_count);
+ auto& expected_timings = expected_standard_established_timings[standard_timings_found];
+ EXPECT(standard_timings.dmt_id() == expected_timings.dmt_id);
+ EXPECT(standard_timings.width() == expected_timings.width);
+ EXPECT(standard_timings.height() == expected_timings.height);
+ EXPECT(standard_timings.refresh_rate() == expected_timings.refresh_rate);
+ standard_timings_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(standard_timings_found == expected_standard_timings_count);
+ }
+
+ {
+ static constexpr struct {
+ unsigned block_id;
+ unsigned width;
+ unsigned height;
+ unsigned refresh_rate;
+ } expected_detailed_timings[] = {
+ { 0, 1024, 768, 75 }
+ };
+ static constexpr size_t expected_detailed_timings_count = sizeof(expected_detailed_timings) / sizeof(expected_detailed_timings[0]);
+ size_t detailed_timings_found = 0;
+ auto result = edid.for_each_detailed_timing([&](auto& detailed_timing, unsigned block_id) {
+ EXPECT(detailed_timings_found < expected_detailed_timings_count);
+ auto& expected_timings = expected_detailed_timings[detailed_timings_found];
+ EXPECT(block_id == expected_timings.block_id);
+ EXPECT(detailed_timing.horizontal_addressable_pixels() == expected_timings.width);
+ EXPECT(detailed_timing.vertical_addressable_lines() == expected_timings.height);
+ EXPECT(detailed_timing.refresh_rate().lround() == expected_timings.refresh_rate);
+ detailed_timings_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(detailed_timings_found == expected_detailed_timings_count);
+ }
+
+ {
+ static constexpr u8 expected_vic_ids[] = { 125, 101, 96, 89, 31 };
+ static constexpr size_t expected_vic_ids_count = sizeof(expected_vic_ids) / sizeof(expected_vic_ids[0]);
+ size_t vic_ids_found = 0;
+ auto result = edid.for_each_short_video_descriptor([&](unsigned block_id, bool is_native, EDID::VIC::Details const& vic) {
+ EXPECT(vic_ids_found < expected_vic_ids_count);
+ EXPECT(block_id == 1);
+ EXPECT(!is_native); // none are marked as native
+ EXPECT(vic.vic_id == expected_vic_ids[vic_ids_found]);
+ vic_ids_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(vic_ids_found == expected_vic_ids_count);
+ }
+
+ {
+ // This edid has one CEA861 extension block only
+ size_t extension_blocks_found = 0;
+ auto result = edid.for_each_extension_block([&](unsigned block_id, u8 tag, u8 revision, ReadonlyBytes) {
+ EXPECT(block_id == 1);
+ EXPECT(tag == 0x2);
+ EXPECT(revision == 3);
+ extension_blocks_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(extension_blocks_found == 1);
+ }
+}
+
+static const u8 edid2_bin[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x04, 0x72, 0x1d, 0x08,
+ 0xd2, 0x02, 0x96, 0x49, 0x20, 0x1e, 0x01, 0x04, 0xb5, 0x3c, 0x22, 0x78,
+ 0x3b, 0xff, 0x15, 0xa6, 0x53, 0x4a, 0x98, 0x26, 0x0f, 0x50, 0x54, 0xbf,
+ 0xef, 0x80, 0xd1, 0xc0, 0xb3, 0x00, 0x95, 0x00, 0x81, 0x80, 0x81, 0x40,
+ 0x81, 0xc0, 0x01, 0x01, 0x01, 0x01, 0x86, 0x6f, 0x00, 0x3c, 0xa0, 0xa0,
+ 0x0f, 0x50, 0x08, 0x20, 0x35, 0x00, 0x55, 0x50, 0x21, 0x00, 0x00, 0x1e,
+ 0x56, 0x5e, 0x00, 0xa0, 0xa0, 0xa0, 0x29, 0x50, 0x30, 0x20, 0x35, 0x00,
+ 0x55, 0x50, 0x21, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x30,
+ 0x4b, 0x78, 0x78, 0x1e, 0x01, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x43, 0x42, 0x32, 0x37, 0x32, 0x55, 0x0a,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x01, 0xc5, 0x02, 0x03, 0x33, 0x71,
+ 0x4c, 0x12, 0x13, 0x04, 0x1f, 0x90, 0x14, 0x05, 0x01, 0x11, 0x02, 0x03,
+ 0x4a, 0x23, 0x09, 0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0xe2, 0x00, 0xc0,
+ 0x67, 0x03, 0x0c, 0x00, 0x10, 0x00, 0x38, 0x3c, 0xe3, 0x05, 0xe3, 0x01,
+ 0xe3, 0x0f, 0x00, 0x00, 0xe6, 0x06, 0x07, 0x01, 0x60, 0x60, 0x45, 0x01,
+ 0x1d, 0x00, 0x72, 0x51, 0xd0, 0x1e, 0x20, 0x6e, 0x28, 0x55, 0x00, 0x55,
+ 0x50, 0x21, 0x00, 0x00, 0x1e, 0x01, 0x1d, 0x00, 0xbc, 0x52, 0xd0, 0x1e,
+ 0x20, 0xb8, 0x28, 0x55, 0x40, 0x55, 0x50, 0x21, 0x00, 0x00, 0x1e, 0x56,
+ 0x5e, 0x00, 0xa0, 0xa0, 0xa0, 0x29, 0x50, 0x30, 0x20, 0x35, 0x00, 0x55,
+ 0x50, 0x21, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0xe1
+};
+
+TEST_CASE(edid2)
+{
+ auto edid_load_result = EDID::Parser::from_bytes({ edid2_bin, sizeof(edid2_bin) });
+ EXPECT(!edid_load_result.is_error());
+ auto edid = edid_load_result.release_value();
+ EXPECT(edid.legacy_manufacturer_id() == "ACR");
+ EXPECT(edid.serial_number() == 1234567890);
+ auto digital_interface = edid.digital_display();
+ EXPECT(digital_interface.has_value());
+ EXPECT(digital_interface.value().color_bit_depth() == EDID::Parser::DigitalDisplay::ColorBitDepth::BPP_10);
+ EXPECT(digital_interface.value().supported_interface() == EDID::Parser::DigitalDisplay::SupportedInterface::DisplayPort);
+ EXPECT(!digital_interface.value().features().supports_standby());
+ EXPECT(!digital_interface.value().features().supports_suspend());
+ EXPECT(digital_interface.value().features().supports_off());
+ EXPECT(digital_interface.value().features().preferred_timing_mode_includes_pixel_format_and_refresh_rate());
+ EXPECT(!digital_interface.value().features().srgb_is_default_color_space());
+ EXPECT(digital_interface.value().features().frequency() == EDID::Parser::DigitalDisplayFeatures::Frequency::Continuous);
+ EXPECT(digital_interface.value().features().supported_color_encodings() == EDID::Parser::DigitalDisplayFeatures::SupportedColorEncodings::RGB444_YCrCb444_YCrCb422);
+ EXPECT(!edid.aspect_ratio().has_value());
+ auto screen_size = edid.screen_size();
+ EXPECT(screen_size.has_value());
+ EXPECT(screen_size.value().horizontal_cm() == 60);
+ EXPECT(screen_size.value().vertical_cm() == 34);
+ auto gamma = edid.gamma();
+ EXPECT(gamma.has_value());
+ EXPECT(gamma.value() >= 2.19f && gamma.value() <= 2.21f);
+ EXPECT(edid.display_product_name() == "CB272U");
+
+ {
+ static constexpr struct {
+ unsigned width;
+ unsigned height;
+ unsigned refresh_rate;
+ EDID::Parser::EstablishedTiming::Source source;
+ u8 dmt_id { 0 };
+ } expected_established_timings[] = {
+ { 720, 400, 70, EDID::Parser::EstablishedTiming::Source::IBM },
+ { 640, 480, 60, EDID::Parser::EstablishedTiming::Source::IBM, 0x4 },
+ { 640, 480, 67, EDID::Parser::EstablishedTiming::Source::Apple },
+ { 640, 480, 73, EDID::Parser::EstablishedTiming::Source::VESA, 0x5 },
+ { 640, 480, 75, EDID::Parser::EstablishedTiming::Source::VESA, 0x6 },
+ { 800, 600, 56, EDID::Parser::EstablishedTiming::Source::VESA, 0x8 },
+ { 800, 600, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x9 },
+ { 800, 600, 72, EDID::Parser::EstablishedTiming::Source::VESA, 0xa },
+ { 800, 600, 75, EDID::Parser::EstablishedTiming::Source::VESA, 0xb },
+ { 832, 624, 75, EDID::Parser::EstablishedTiming::Source::Apple },
+ { 1024, 768, 60, EDID::Parser::EstablishedTiming::Source::VESA, 0x10 },
+ { 1024, 768, 70, EDID::Parser::EstablishedTiming::Source::VESA, 0x11 },
+ { 1024, 768, 75, EDID::Parser::EstablishedTiming::Source::VESA, 0x12 },
+ { 1280, 1024, 75, EDID::Parser::EstablishedTiming::Source::VESA, 0x24 },
+ { 1152, 870, 75, EDID::Parser::EstablishedTiming::Source::Apple }
+ };
+ static constexpr size_t expected_established_timings_count = sizeof(expected_established_timings) / sizeof(expected_established_timings[0]);
+ size_t established_timings_found = 0;
+ auto result = edid.for_each_established_timing([&](auto& established_timings) {
+ EXPECT(established_timings_found < expected_established_timings_count);
+ auto& expected_timings = expected_established_timings[established_timings_found];
+ EXPECT(established_timings.width() == expected_timings.width);
+ EXPECT(established_timings.height() == expected_timings.height);
+ EXPECT(established_timings.refresh_rate() == expected_timings.refresh_rate);
+ EXPECT(established_timings.source() == expected_timings.source);
+ EXPECT(established_timings.dmt_id() == expected_timings.dmt_id);
+ established_timings_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(established_timings_found == expected_established_timings_count);
+ }
+
+ {
+ static constexpr struct {
+ unsigned width;
+ unsigned height;
+ unsigned refresh_rate;
+ u8 dmt_id { 0 };
+ } expected_standard_established_timings[] = {
+ { 1920, 1080, 60, 0x52 },
+ { 1680, 1050, 60, 0x3a },
+ { 1440, 900, 60, 0x2f },
+ { 1280, 1024, 60, 0x23 },
+ { 1280, 960, 60, 0x20 },
+ { 1280, 720, 60, 0x55 },
+ };
+ static constexpr size_t expected_standard_timings_count = sizeof(expected_standard_established_timings) / sizeof(expected_standard_established_timings[0]);
+ size_t standard_timings_found = 0;
+ auto result = edid.for_each_standard_timing([&](auto& standard_timings) {
+ EXPECT(standard_timings_found < expected_standard_timings_count);
+ auto& expected_timings = expected_standard_established_timings[standard_timings_found];
+ EXPECT(standard_timings.dmt_id() == expected_timings.dmt_id);
+ EXPECT(standard_timings.width() == expected_timings.width);
+ EXPECT(standard_timings.height() == expected_timings.height);
+ EXPECT(standard_timings.refresh_rate() == expected_timings.refresh_rate);
+ standard_timings_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(standard_timings_found == expected_standard_timings_count);
+ }
+
+ {
+ static constexpr struct {
+ unsigned block_id;
+ unsigned width;
+ unsigned height;
+ unsigned refresh_rate;
+ } expected_detailed_timings[] = {
+ { 0, 2560, 1440, 75 },
+ { 0, 2560, 1440, 60 },
+ { 1, 1280, 720, 60 },
+ { 1, 1280, 720, 50 },
+ { 1, 2560, 1440, 60 }
+ };
+ static constexpr size_t expected_detailed_timings_count = sizeof(expected_detailed_timings) / sizeof(expected_detailed_timings[0]);
+ size_t detailed_timings_found = 0;
+ auto result = edid.for_each_detailed_timing([&](auto& detailed_timing, unsigned block_id) {
+ EXPECT(detailed_timings_found < expected_detailed_timings_count);
+ auto& expected_timings = expected_detailed_timings[detailed_timings_found];
+ EXPECT(block_id == expected_timings.block_id);
+ EXPECT(detailed_timing.horizontal_addressable_pixels() == expected_timings.width);
+ EXPECT(detailed_timing.vertical_addressable_lines() == expected_timings.height);
+ EXPECT(detailed_timing.refresh_rate().lround() == expected_timings.refresh_rate);
+ detailed_timings_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(detailed_timings_found == expected_detailed_timings_count);
+ }
+
+ {
+ static constexpr u8 expected_vic_ids[] = { 18, 19, 4, 31, 16, 20, 5, 1, 17, 2, 3, 74 };
+ static constexpr size_t expected_vic_ids_count = sizeof(expected_vic_ids) / sizeof(expected_vic_ids[0]);
+ size_t vic_ids_found = 0;
+ auto result = edid.for_each_short_video_descriptor([&](unsigned block_id, bool is_native, EDID::VIC::Details const& vic) {
+ EXPECT(vic_ids_found < expected_vic_ids_count);
+ EXPECT(block_id == 1);
+ EXPECT(is_native == (vic_ids_found == 4)); // the 5th value is marked native
+ EXPECT(vic.vic_id == expected_vic_ids[vic_ids_found]);
+ vic_ids_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(vic_ids_found == expected_vic_ids_count);
+ }
+
+ {
+ // This edid has one CEA861 extension block only
+ size_t extension_blocks_found = 0;
+ auto result = edid.for_each_extension_block([&](unsigned block_id, u8 tag, u8 revision, ReadonlyBytes) {
+ EXPECT(block_id == 1);
+ EXPECT(tag == 0x2);
+ EXPECT(revision == 3);
+ extension_blocks_found++;
+ return IterationDecision::Continue;
+ });
+ EXPECT(!result.is_error());
+ EXPECT(result.value() == IterationDecision::Continue);
+ EXPECT(extension_blocks_found == 1);
+ }
+}
+
+TEST_CASE(dmt_find_std_id)
+{
+ auto* dmt = EDID::DMT::find_timing_by_std_id(0xd1, 0xf);
+ EXPECT(dmt);
+ EXPECT(dmt->dmt_id == 0x46);
+ EXPECT(dmt->horizontal_pixels == 1920 && dmt->vertical_lines == 1200);
+}
+
+TEST_CASE(dmt_frequency)
+{
+ auto* dmt = EDID::DMT::find_timing_by_dmt_id(0x4);
+ EXPECT(dmt);
+ static constexpr FixedPoint<16, u32> expected_vertical_frequency(59.940);
+ EXPECT(dmt->vertical_frequency_hz() == expected_vertical_frequency);
+ static constexpr FixedPoint<16, u32> expected_horizontal_frequency(31.469);
+ EXPECT(dmt->horizontal_frequency_khz() == expected_horizontal_frequency);
+}
+
+TEST_CASE(vic)
+{
+ EXPECT(!EDID::VIC::find_details_by_vic_id(0)); // invalid
+ EXPECT(!EDID::VIC::find_details_by_vic_id(160)); // forbidden range
+ EXPECT(!EDID::VIC::find_details_by_vic_id(250)); // reserved
+ auto* vic_def_32 = EDID::VIC::find_details_by_vic_id(32);
+ EXPECT(vic_def_32);
+ EXPECT(vic_def_32->vic_id == 32);
+ auto* vic_def_200 = EDID::VIC::find_details_by_vic_id(200);
+ EXPECT(vic_def_200);
+ EXPECT(vic_def_200->vic_id == 200);
+
+ for (unsigned vic_id = 0; vic_id <= 0xff; vic_id++) {
+ auto* vic_def = EDID::VIC::find_details_by_vic_id((u8)vic_id);
+ if (vic_def) {
+ EXPECT((vic_id >= 1 && vic_id <= 127) || (vic_id >= 193 && vic_id <= 219));
+ EXPECT(vic_def->vic_id == vic_id);
+ } else {
+ EXPECT(vic_id == 0 || (vic_id >= 128 && vic_id <= 192) || (vic_id >= 220));
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 06:34:18 +0000