fmt-11.0.2/test/color-test.cc

   1 // Formatting library for C++ - color tests
   2 //
   3 // Copyright (c) 2012 - present, Victor Zverovich
   4 // All rights reserved.
   5 //
   6 // For the license information refer to format.h.
   7
   8 #include "fmt/color.h"
   9
  10 #include <iterator>  // std::back_inserter
  11
  12 #include "gtest-extra.h"  // EXPECT_WRITE
  13
  14 TEST(color_test, format) {
  15   EXPECT_EQ(fmt::format(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
  16             "\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
  17   EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue"),
  18             "\x1b[38;2;000;000;255mblue\x1b[0m");
  19   EXPECT_EQ(
  20       fmt::format(fg(fmt::color::blue) | bg(fmt::color::red), "two color"),
  21       "\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m");
  22   EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold"), "\x1b[1mbold\x1b[0m");
  23   EXPECT_EQ(fmt::format(fmt::emphasis::faint, "faint"), "\x1b[2mfaint\x1b[0m");
  24   EXPECT_EQ(fmt::format(fmt::emphasis::italic, "italic"),
  25             "\x1b[3mitalic\x1b[0m");
  26   EXPECT_EQ(fmt::format(fmt::emphasis::underline, "underline"),
  27             "\x1b[4munderline\x1b[0m");
  28   EXPECT_EQ(fmt::format(fmt::emphasis::blink, "blink"), "\x1b[5mblink\x1b[0m");
  29   EXPECT_EQ(fmt::format(fmt::emphasis::reverse, "reverse"),
  30             "\x1b[7mreverse\x1b[0m");
  31   EXPECT_EQ(fmt::format(fmt::emphasis::conceal, "conceal"),
  32             "\x1b[8mconceal\x1b[0m");
  33   EXPECT_EQ(fmt::format(fmt::emphasis::strikethrough, "strikethrough"),
  34             "\x1b[9mstrikethrough\x1b[0m");
  35   EXPECT_EQ(
  36       fmt::format(fg(fmt::color::blue) | fmt::emphasis::bold, "blue/bold"),
  37       "\x1b[1m\x1b[38;2;000;000;255mblue/bold\x1b[0m");
  38   EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold error"),
  39             "\x1b[1mbold error\x1b[0m");
  40   EXPECT_EQ(fmt::format(fg(fmt::color::blue), "blue log"),
  41             "\x1b[38;2;000;000;255mblue log\x1b[0m");
  42   EXPECT_EQ(fmt::format(fmt::text_style(), "hi"), "hi");
  43   EXPECT_EQ(fmt::format(fg(fmt::terminal_color::red), "tred"),
  44             "\x1b[31mtred\x1b[0m");
  45   EXPECT_EQ(fmt::format(bg(fmt::terminal_color::cyan), "tcyan"),
  46             "\x1b[46mtcyan\x1b[0m");
  47   EXPECT_EQ(fmt::format(fg(fmt::terminal_color::bright_green), "tbgreen"),
  48             "\x1b[92mtbgreen\x1b[0m");
  49   EXPECT_EQ(fmt::format(bg(fmt::terminal_color::bright_magenta), "tbmagenta"),
  50             "\x1b[105mtbmagenta\x1b[0m");
  51   EXPECT_EQ(fmt::format(fg(fmt::terminal_color::red), "{}", "foo"),
  52             "\x1b[31mfoo\x1b[0m");
  53   EXPECT_EQ(fmt::format("{}{}", fmt::styled("red", fg(fmt::color::red)),
  54                         fmt::styled("bold", fmt::emphasis::bold)),
  55             "\x1b[38;2;255;000;000mred\x1b[0m\x1b[1mbold\x1b[0m");
  56   EXPECT_EQ(fmt::format("{}", fmt::styled("bar", fg(fmt::color::blue) |
  57                                                      fmt::emphasis::underline)),
  58             "\x1b[4m\x1b[38;2;000;000;255mbar\x1b[0m");
  59 }
  60
  61 TEST(color_test, format_to) {
  62   auto out = std::string();
  63   fmt::format_to(std::back_inserter(out), fg(fmt::rgb(255, 20, 30)),
  64                  "rgb(255,20,30){}{}{}", 1, 2, 3);
  65   EXPECT_EQ(fmt::to_string(out),
  66             "\x1b[38;2;255;020;030mrgb(255,20,30)123\x1b[0m");
  67 }
  68
  69 TEST(color_test, print) {
  70   EXPECT_WRITE(stdout, fmt::print(fg(fmt::rgb(255, 20, 30)), "rgb(255,20,30)"),
  71                "\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
  72 }