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Add coverage for colors (extended) (#385)

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This commit is contained in:
Arthur Sonzogni
2022-04-26 18:00:05 +02:00
committed by ArthurSonzogni
parent 04b36df567
commit 06ed8567b8
6 changed files with 113 additions and 11 deletions
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10
src/ftxui/dom/border_test.cpp
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@@ -89,6 +89,16 @@ TEST(BorderTest, WithPixel) {
"ooooo");
}
TEST(BorderTest, Window) {
auto element = window(text("title"), text("content"));
Screen screen(10, 3);
Render(screen, element);
EXPECT_EQ(screen.ToString(),
"╭title───╮\r\n"
"│content │\r\n"
"╰────────╯");
}
} // namespace ftxui
// Copyright 2022 Arthur Sonzogni. All rights reserved.

56
src/ftxui/dom/canvas_test.cpp Normal file
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@@ -0,0 +1,56 @@
#include <gtest/gtest-message.h> // for Message
#include <gtest/gtest-test-part.h> // for SuiteApiResolver, TestFactoryImpl, TestPartResult
#include "gtest/gtest_pred_impl.h" // for Test, EXPECT_EQ, TEST
#include <string> // for allocator
#include "ftxui/dom/elements.hpp" // for text, flexbox
#include "ftxui/screen/screen.hpp" // for Screen
namespace ftxui {
namespace {
int Hash(const std::string s) {
int hash = 0;
for (auto c : s) {
hash += c;
}
return hash;
}
}
TEST(BorderTest, GoldPoint) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
auto element = canvas([](Canvas& c) { //
c.DrawPoint(3, 3, 1, Color::Red);
c.DrawPointToggle(2, 8);
c.DrawPointLine(3, 7, 10, 19, Color::Blue);
c.DrawPointCircle(10, 5, 3, Color::Yellow);
c.DrawPointCircleFilled(20, 5, 3, Color::Green);
c.DrawPointEllipse(10, 10, 5, 2, Color::Blue);
c.DrawPointEllipseFilled(10, 20, 5, 2, Color::DarkGreen);
});
Screen screen(30, 10);
Render(screen, element);
EXPECT_EQ(Hash(screen.ToString()), 17651);
}
TEST(BorderTest, GoldBlock) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
auto element = canvas([](Canvas& c) { //
c.DrawBlock(3, 3, 1, Color::Red);
c.DrawBlockToggle(2, 8);
c.DrawBlockLine(3, 7, 10, 19, Color::Blue);
c.DrawBlockCircle(10, 5, 3, Color::Yellow);
c.DrawBlockCircleFilled(20, 5, 3, Color::Green);
c.DrawBlockEllipse(10, 10, 5, 2, Color::Blue);
c.DrawBlockEllipseFilled(10, 20, 5, 2, Color::DarkGreen);
});
Screen screen(30, 10);
Render(screen, element);
EXPECT_EQ(Hash(screen.ToString()), 14383);
}
} // namespace ftxui
// Copyright 2022 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.

11
src/ftxui/screen/color.cpp
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@@ -170,7 +170,8 @@ Color Color::HSV(uint8_t h, uint8_t s, uint8_t v) {
// static
Color Color::Interpolate(float t, const Color& a, const Color& b) {
if (a.type_ == ColorType::Palette1) {
if (a.type_ == ColorType::Palette1 || //
b.type_ == ColorType::Palette1) {
if (t < 0.5F) { // NOLINT
return a;
} else {
@@ -178,14 +179,6 @@ Color Color::Interpolate(float t, const Color& a, const Color& b) {
}
}
if (b.type_ == ColorType::Palette1) {
if (t > 0.5F) { // NOLINT
return a;
} else {
return b;
}
}
auto get_color = [](const Color& color, //
uint8_t* red, uint8_t* green, uint8_t* blue) {
switch (color.type_) {

42
src/ftxui/screen/color_test.cpp
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@@ -40,6 +40,48 @@ TEST(ColorTest, FallbackTo16) {
EXPECT_EQ(Color::RGB(1,2,3).Print(false), "30");
}
TEST(ColorTest, Litterals) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
using namespace ftxui::literals;
EXPECT_EQ(Color(0xABCDEF_rgb).Print(false), "38;2;171;205;239");
}
TEST(ColorTest, Interpolate) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
EXPECT_EQ(Color::Interpolate(0.3f, Color(), Color()).Print(false), "39");
EXPECT_EQ(Color::Interpolate(0.3f, Color::Red, Color()).Print(false), "31");
EXPECT_EQ(Color::Interpolate(0.7f, Color::Red, Color()).Print(false), "39");
EXPECT_EQ(Color::Interpolate(0.3f, Color(), Color::Red).Print(false), "39");
EXPECT_EQ(Color::Interpolate(0.7f, Color(), Color::Red).Print(false), "31");
EXPECT_EQ(Color::Interpolate(0.3f, //
Color::RGB(1, 2, 3), //
Color::RGB(244, 244, 123)) //
.Print(false),
"38;2;73;74;39");
EXPECT_EQ(Color::Interpolate(0.7f, //
Color::RGB(1, 2, 3), //
Color::RGB(244, 244, 123)) //
.Print(false),
"38;2;171;171;87");
EXPECT_EQ(Color::Interpolate(0.7f, //
Color(Color::Red), //
Color::RGB(244, 244, 123)) //
.Print(false),
"38;2;209;170;86");
EXPECT_EQ(Color::Interpolate(0.7f, //
Color::RGB(244, 244, 123), //
Color(Color::Plum1)) //
.Print(false),
"38;2;251;195;215");
}
TEST(ColorTest, HSV) {
Terminal::SetColorSupport(Terminal::Color::TrueColor);
EXPECT_EQ(Color::HSV(0, 255, 255).Print(false), "38;2;255;0;0");
}
} // namespace ftxui
// Copyright 2022 Arthur Sonzogni. All rights reserved.