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Add some colour tests.

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This commit is contained in:
Brenden Matthews 2023-02-24 19:31:38 -05:00 committed by Brenden Matthews
parent a39015b7bd
commit de3bd0c2eb
3 changed files with 96 additions and 4 deletions
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6
src/colours.h
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@ -26,9 +26,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _COLOURS_H
#define _COLOURS_H
#pragma once
#include <config.h>
#include <cassert>
#include <climits>
#include <memory>
@ -96,5 +96,3 @@ extern Colour error_colour;
Colour parse_color(const std::string &colour);
// XXX: when everyone uses C++ strings, remove this C version
Colour parse_color(const char *);
#endif /* _COLOURS_H */

1
tests/CMakeLists.txt
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@ -18,6 +18,7 @@ set(test_srcs ${test_srcs} test-core.cc)
set(test_srcs ${test_srcs} test-diskio.cc)
set(test_srcs ${test_srcs} test-fs.cc)
set(test_srcs ${test_srcs} test-gradient.cc)
set(test_srcs ${test_srcs} test-colours.cc)
add_executable(test-conky test-common.cc ${test_srcs})
target_link_libraries(test-conky conky_core)

93
tests/test-colours.cc Normal file
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@ -0,0 +1,93 @@
#include "catch2/catch.hpp"
#include <colours.h>
#include <config.h>
TEST_CASE("parse_color correctly parses colours", "[colours][parse_color]") {
SECTION("parsing hex red") {
auto colour = parse_color("#ff0000");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 255);
REQUIRE(colour.green == 0);
REQUIRE(colour.blue == 0);
}
SECTION("parsing hex green") {
auto colour = parse_color("#00ff00");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 0);
REQUIRE(colour.green == 255);
REQUIRE(colour.blue == 0);
}
SECTION("parsing hex blue") {
auto colour = parse_color("#0000ff");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 0);
REQUIRE(colour.green == 0);
REQUIRE(colour.blue == 255);
}
SECTION("parsing hex red") {
auto colour = parse_color("#ff0000");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 255);
REQUIRE(colour.green == 0);
REQUIRE(colour.blue == 0);
}
SECTION("parsing hex green") {
auto colour = parse_color("#00ff00");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 0);
REQUIRE(colour.green == 255);
REQUIRE(colour.blue == 0);
}
SECTION("parsing hex blue") {
auto colour = parse_color("#0000ff");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 0);
REQUIRE(colour.green == 0);
REQUIRE(colour.blue == 255);
}
SECTION("argb values produce the expected result") {
auto colour = Colour::from_argb32(0x11223344);
REQUIRE(colour.alpha == 0x11);
REQUIRE(colour.red == 0x22);
REQUIRE(colour.green == 0x33);
REQUIRE(colour.blue == 0x44);
}
SECTION("it parses the colour red") {
auto colour = parse_color("red");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 255);
REQUIRE(colour.green == 0);
REQUIRE(colour.blue == 0);
}
SECTION("it parses the colour green") {
auto colour = parse_color("green");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 0);
REQUIRE(colour.green == 255);
REQUIRE(colour.blue == 0);
}
SECTION("it parses the colour blue") {
auto colour = parse_color("blue");
REQUIRE(colour.alpha == 255);
REQUIRE(colour.red == 0);
REQUIRE(colour.green == 0);
REQUIRE(colour.blue == 255);
}
SECTION("two identical colours should be equal") {
auto c = GENERATE(take(100, random((uint32_t)0, (uint32_t)0xffffffff)));
auto colour1 = Colour::from_argb32(c);
auto colour2 = Colour::from_argb32(c);
REQUIRE(colour1 == colour2);
}
}