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// Formatting library for C++ - color tests
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#include "fmt/color.h"
#include <iterator> // std::back_inserter
#include "gtest-extra.h" // EXPECT_WRITE, EXPECT_THROW_MSG
TEST(color_test, text_style) {
EXPECT_FALSE(fmt::text_style().has_foreground());
EXPECT_FALSE(fmt::text_style().has_background());
EXPECT_FALSE(fmt::text_style().has_emphasis());
EXPECT_TRUE(fg(fmt::rgb(0)).has_foreground());
EXPECT_FALSE(fg(fmt::rgb(0)).has_background());
EXPECT_FALSE(fg(fmt::rgb(0)).has_emphasis());
EXPECT_TRUE(bg(fmt::rgb(0)).has_background());
EXPECT_FALSE(bg(fmt::rgb(0)).has_foreground());
EXPECT_FALSE(bg(fmt::rgb(0)).has_emphasis());
EXPECT_TRUE(
(fg(fmt::rgb(0xFFFFFF)) | bg(fmt::rgb(0xFFFFFF))).has_foreground());
EXPECT_TRUE(
(fg(fmt::rgb(0xFFFFFF)) | bg(fmt::rgb(0xFFFFFF))).has_background());
EXPECT_FALSE(
(fg(fmt::rgb(0xFFFFFF)) | bg(fmt::rgb(0xFFFFFF))).has_emphasis());
EXPECT_EQ(fg(fmt::rgb(0x000000)) | fg(fmt::rgb(0x000000)),
fg(fmt::rgb(0x000000)));
EXPECT_EQ(fg(fmt::rgb(0x00000F)) | fg(fmt::rgb(0x00000F)),
fg(fmt::rgb(0x00000F)));
EXPECT_EQ(fg(fmt::rgb(0xC0F000)) | fg(fmt::rgb(0x000FEE)),
fg(fmt::rgb(0xC0FFEE)));
EXPECT_THROW_MSG(
fg(fmt::terminal_color::black) | fg(fmt::terminal_color::black),
fmt::format_error, "can't OR a terminal color");
EXPECT_THROW_MSG(
fg(fmt::terminal_color::black) | fg(fmt::terminal_color::white),
fmt::format_error, "can't OR a terminal color");
EXPECT_THROW_MSG(
bg(fmt::terminal_color::black) | bg(fmt::terminal_color::black),
fmt::format_error, "can't OR a terminal color");
EXPECT_THROW_MSG(
bg(fmt::terminal_color::black) | bg(fmt::terminal_color::white),
fmt::format_error, "can't OR a terminal color");
EXPECT_THROW_MSG(fg(fmt::terminal_color::black) | fg(fmt::color::black),
fmt::format_error, "can't OR a terminal color");
EXPECT_THROW_MSG(bg(fmt::terminal_color::black) | bg(fmt::color::black),
fmt::format_error, "can't OR a terminal color");
EXPECT_NO_THROW(fg(fmt::terminal_color::white) |
bg(fmt::terminal_color::white));
EXPECT_NO_THROW(fg(fmt::terminal_color::white) | bg(fmt::rgb(0xFFFFFF)));
EXPECT_NO_THROW(fg(fmt::terminal_color::white) | fmt::text_style());
EXPECT_NO_THROW(bg(fmt::terminal_color::white) | fmt::text_style());
}
TEST(color_test, format) {
EXPECT_EQ(fmt::format(fmt::text_style(), "no style"), "no style");
EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
"\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 0, 0)) | fg(fmt::rgb(0, 20, 30)),
"rgb(255,20,30)"),
"\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
EXPECT_EQ(
fmt::format(fg(fmt::rgb(0, 0, 0)) | fg(fmt::rgb(0, 0, 0)), "rgb(0,0,0)"),
"\x1b[38;2;000;000;000mrgb(0,0,0)\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue"),
"\x1b[38;2;000;000;255mblue\x1b[0m");
EXPECT_EQ(
fmt::format(fg(fmt::color::blue) | bg(fmt::color::red), "two color"),
"\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold"), "\x1b[1mbold\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::faint, "faint"), "\x1b[2mfaint\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::italic, "italic"),
"\x1b[3mitalic\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::underline, "underline"),
"\x1b[4munderline\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::blink, "blink"), "\x1b[5mblink\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::reverse, "reverse"),
"\x1b[7mreverse\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::conceal, "conceal"),
"\x1b[8mconceal\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::strikethrough, "strikethrough"),
"\x1b[9mstrikethrough\x1b[0m");
EXPECT_EQ(
fmt::format(fg(fmt::color::blue) | fmt::emphasis::bold, "blue/bold"),
"\x1b[1m\x1b[38;2;000;000;255mblue/bold\x1b[0m");
EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold error"),
"\x1b[1mbold error\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue log"),
"\x1b[38;2;000;000;255mblue log\x1b[0m");
EXPECT_EQ(fmt::format(fmt::text_style(), "hi"), "hi");
EXPECT_EQ(fmt::format(fg(fmt::terminal_color::red), "tred"),
"\x1b[31mtred\x1b[0m");
EXPECT_EQ(fmt::format(bg(fmt::terminal_color::cyan), "tcyan"),
"\x1b[46mtcyan\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::terminal_color::bright_green), "tbgreen"),
"\x1b[92mtbgreen\x1b[0m");
EXPECT_EQ(fmt::format(bg(fmt::terminal_color::bright_magenta), "tbmagenta"),
"\x1b[105mtbmagenta\x1b[0m");
EXPECT_EQ(fmt::format(fg(fmt::terminal_color::red), "{}", "foo"),
"\x1b[31mfoo\x1b[0m");
EXPECT_EQ(fmt::format("{}{}", fmt::styled("red", fg(fmt::color::red)),
fmt::styled("bold", fmt::emphasis::bold)),
"\x1b[38;2;255;000;000mred\x1b[0m\x1b[1mbold\x1b[0m");
EXPECT_EQ(fmt::format("{}", fmt::styled("bar", fg(fmt::color::blue) |
fmt::emphasis::underline)),
"\x1b[4m\x1b[38;2;000;000;255mbar\x1b[0m");
EXPECT_EQ(
fmt::format(
"{}", fmt::styled(
"all", fmt::emphasis::bold | fmt::emphasis::faint |
fmt::emphasis::italic |
fmt::emphasis::underline | fmt::emphasis::blink |
fmt::emphasis::reverse | fmt::emphasis::conceal |
fmt::emphasis::strikethrough)),
"\x1b[1;2;3;4;5;7;8;9mall\x1b[0m");
}
TEST(color_test, format_to) {
auto out = std::string();
fmt::format_to(std::back_inserter(out), fg(fmt::rgb(255, 20, 30)),
"rgb(255,20,30){}{}{}", 1, 2, 3);
EXPECT_EQ(fmt::to_string(out),
"\x1b[38;2;255;020;030mrgb(255,20,30)123\x1b[0m");
}
TEST(color_test, print) {
EXPECT_WRITE(stdout, fmt::print(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
"\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
}
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