Files
whetstone_DSL/editor/tests/step77_test.cpp
2026-02-09 09:04:12 -07:00

106 lines
2.9 KiB
C++

// Step 77 TDD Test: Custom code editor renderer
//
// Tests:
// 1. Can render with an ImGui context (no crash)
// 2. Text input inserts characters and reports change
// 3. Cursor position updates after input
#include <cassert>
#include <iostream>
#include "imgui.h"
#include "CodeEditorWidget.h"
static void beginFrame() {
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(800, 600);
io.DeltaTime = 1.0f / 60.0f;
ImGui::NewFrame();
}
static void endFrame() {
ImGui::Render();
}
int main() {
int passed = 0;
int failed = 0;
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGui::StyleColorsDark();
ImGuiIO& io = ImGui::GetIO();
io.Fonts->AddFontDefault();
io.Fonts->Build();
// --- Test 1: Render without crashing ---
{
beginFrame();
ImGui::SetNextWindowFocus();
ImGui::Begin("TestWindow");
CodeEditorWidget widget;
std::string text;
std::vector<HighlightSpan> spans;
CodeEditorOptions opts;
CodeEditorResult res = widget.render("##editor", text, spans, opts, ImVec2(300, 200), ImGui::GetFont());
(void)res;
ImGui::End();
endFrame();
std::cout << "Test 1 PASS: Render without crash" << std::endl;
++passed;
}
// --- Test 2: Text input inserts characters ---
{
beginFrame();
ImGui::SetNextWindowFocus();
ImGui::Begin("TestWindow2");
CodeEditorWidget widget;
std::string text;
std::vector<HighlightSpan> spans;
CodeEditorOptions opts;
ImGuiIO& io = ImGui::GetIO();
io.AddInputCharacter('a');
io.AddInputCharacter('b');
io.AddInputCharacter('\n');
CodeEditorResult res = widget.render("##editor2", text, spans, opts, ImVec2(300, 200), ImGui::GetFont());
ImGui::End();
endFrame();
assert(res.changed && "Should report changed after input");
assert(text == "ab\n" && "Text should match input");
std::cout << "Test 2 PASS: Text input inserts characters" << std::endl;
++passed;
}
// --- Test 3: Cursor position updates ---
{
beginFrame();
ImGui::SetNextWindowFocus();
ImGui::Begin("TestWindow3");
CodeEditorWidget widget;
std::string text;
std::vector<HighlightSpan> spans;
CodeEditorOptions opts;
ImGuiIO& io = ImGui::GetIO();
io.AddInputCharacter('x');
io.AddInputCharacter('y');
CodeEditorResult res = widget.render("##editor3", text, spans, opts, ImVec2(300, 200), ImGui::GetFont());
ImGui::End();
endFrame();
assert(res.cursorByte == 2 && "Cursor should be at end of inserted text");
std::cout << "Test 3 PASS: Cursor updates" << std::endl;
++passed;
}
ImGui::DestroyContext();
std::cout << "\n=== Step 77 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
return failed > 0 ? 1 : 0;
}