101 lines
4.0 KiB
C++
101 lines
4.0 KiB
C++
#include "document/document.h"
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#include "test_harness.h"
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#include <string_view>
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using pp::document::CanvasDocument;
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using pp::document::DocumentConfig;
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using pp::document::max_canvas_dimension;
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using pp::document::max_layer_count;
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using pp::foundation::StatusCode;
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namespace {
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void creates_document_with_default_layers(pp::tests::Harness& h)
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{
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const auto document = CanvasDocument::create(
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DocumentConfig { .width = 128, .height = 64, .layer_count = 2 });
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PP_EXPECT(h, document.ok());
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PP_EXPECT(h, document.value().width() == 128U);
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PP_EXPECT(h, document.value().height() == 64U);
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PP_EXPECT(h, document.value().layers().size() == 2U);
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PP_EXPECT(h, document.value().layers()[0].name == std::string_view("Layer 1"));
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PP_EXPECT(h, document.value().layers()[1].name == std::string_view("Layer 2"));
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PP_EXPECT(h, document.value().active_layer_index() == 0U);
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}
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void rejects_invalid_document_configs(pp::tests::Harness& h)
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{
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const auto zero_width = CanvasDocument::create(
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DocumentConfig { .width = 0, .height = 64, .layer_count = 1 });
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const auto huge_width = CanvasDocument::create(
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DocumentConfig { .width = max_canvas_dimension + 1U, .height = 64, .layer_count = 1 });
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const auto no_layers = CanvasDocument::create(
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DocumentConfig { .width = 64, .height = 64, .layer_count = 0 });
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const auto too_many_layers = CanvasDocument::create(
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DocumentConfig { .width = 64, .height = 64, .layer_count = max_layer_count + 1U });
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PP_EXPECT(h, !zero_width.ok());
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PP_EXPECT(h, zero_width.status().code == StatusCode::invalid_argument);
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PP_EXPECT(h, !huge_width.ok());
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PP_EXPECT(h, huge_width.status().code == StatusCode::out_of_range);
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PP_EXPECT(h, !no_layers.ok());
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PP_EXPECT(h, no_layers.status().code == StatusCode::invalid_argument);
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PP_EXPECT(h, !too_many_layers.ok());
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PP_EXPECT(h, too_many_layers.status().code == StatusCode::out_of_range);
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}
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void manages_layer_add_remove_and_active_index(pp::tests::Harness& h)
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{
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auto document_result = CanvasDocument::create(
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DocumentConfig { .width = 64, .height = 64, .layer_count = 1 });
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PP_EXPECT(h, document_result.ok());
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auto document = document_result.value();
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const auto added = document.add_layer("Paint");
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PP_EXPECT(h, added.ok());
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PP_EXPECT(h, added.value() == 1U);
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PP_EXPECT(h, document.active_layer_index() == 1U);
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PP_EXPECT(h, document.layers()[1].name == std::string_view("Paint"));
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PP_EXPECT(h, document.remove_layer(0).ok());
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PP_EXPECT(h, document.layers().size() == 1U);
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PP_EXPECT(h, document.active_layer_index() == 0U);
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const auto remove_last = document.remove_layer(0);
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PP_EXPECT(h, !remove_last.ok());
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PP_EXPECT(h, remove_last.code == StatusCode::invalid_argument);
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}
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void moves_layers_and_preserves_active_layer_identity(pp::tests::Harness& h)
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{
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auto document_result = CanvasDocument::create(
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DocumentConfig { .width = 64, .height = 64, .layer_count = 3 });
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PP_EXPECT(h, document_result.ok());
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auto document = document_result.value();
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PP_EXPECT(h, document.set_active_layer(2).ok());
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PP_EXPECT(h, document.move_layer(2, 0).ok());
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PP_EXPECT(h, document.active_layer_index() == 0U);
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PP_EXPECT(h, document.layers()[0].name == std::string_view("Layer 3"));
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PP_EXPECT(h, document.layers()[1].name == std::string_view("Layer 1"));
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PP_EXPECT(h, document.layers()[2].name == std::string_view("Layer 2"));
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const auto bad_move = document.move_layer(4, 0);
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PP_EXPECT(h, !bad_move.ok());
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PP_EXPECT(h, bad_move.code == StatusCode::out_of_range);
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}
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}
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int main()
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{
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pp::tests::Harness harness;
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harness.run("creates_document_with_default_layers", creates_document_with_default_layers);
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harness.run("rejects_invalid_document_configs", rejects_invalid_document_configs);
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harness.run("manages_layer_add_remove_and_active_index", manages_layer_add_remove_and_active_index);
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harness.run("moves_layers_and_preserves_active_layer_identity", moves_layers_and_preserves_active_layer_identity);
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return harness.finish();
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}
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