89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
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// Step 78 TDD Test: Line numbers and gutter
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//
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// Tests:
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// 1. Line count matches content
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// 2. Gutter width grows with line count
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#include <cassert>
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#include <iostream>
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#include "imgui.h"
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#include "CodeEditorWidget.h"
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static void beginFrame() {
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ImGuiIO& io = ImGui::GetIO();
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io.DisplaySize = ImVec2(800, 600);
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io.DeltaTime = 1.0f / 60.0f;
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ImGui::NewFrame();
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}
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static void endFrame() {
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ImGui::Render();
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}
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static std::string makeLines(int count) {
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std::string s;
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for (int i = 0; i < count; ++i) {
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s += "line";
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s += std::to_string(i);
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s += "\n";
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}
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return s;
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}
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int main() {
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int passed = 0;
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int failed = 0;
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGui::StyleColorsDark();
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ImGuiIO& io = ImGui::GetIO();
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io.Fonts->AddFontDefault();
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io.Fonts->Build();
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// --- Test 1: Line count ---
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{
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beginFrame();
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ImGui::SetNextWindowFocus();
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ImGui::Begin("TestWindow");
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CodeEditorWidget widget;
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std::string text = makeLines(5);
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std::vector<HighlightSpan> spans;
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CodeEditorOptions opts;
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CodeEditorResult res = widget.render("##editor", text, spans, opts, ImVec2(300, 200), ImGui::GetFont());
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ImGui::End();
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endFrame();
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assert(res.lineCount == 5 && "Line count should match content");
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std::cout << "Test 1 PASS: Line count correct" << std::endl;
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++passed;
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}
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// --- Test 2: Gutter width grows with line count ---
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{
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beginFrame();
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ImGui::SetNextWindowFocus();
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ImGui::Begin("TestWindow2");
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CodeEditorWidget widget;
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std::string shortText = makeLines(9);
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std::string longText = makeLines(120);
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std::vector<HighlightSpan> spans;
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CodeEditorOptions opts;
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CodeEditorResult res1 = widget.render("##editor2", shortText, spans, opts, ImVec2(300, 200), ImGui::GetFont());
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CodeEditorResult res2 = widget.render("##editor3", longText, spans, opts, ImVec2(300, 200), ImGui::GetFont());
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ImGui::End();
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endFrame();
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assert(res1.gutterWidth > 0.0f && res2.gutterWidth > 0.0f);
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assert(res2.gutterWidth > res1.gutterWidth && "Gutter should grow for more digits");
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std::cout << "Test 2 PASS: Gutter width grows" << std::endl;
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++passed;
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}
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ImGui::DestroyContext();
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std::cout << "\n=== Step 78 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
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return failed > 0 ? 1 : 0;
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}
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