From ec955eb6726b31e26d17c34474619b60f3563194 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 15 Jun 2024 14:24:14 +0200
Subject: Automatically depend on YMakefile (rebuild if necessary), tests

---
 test-ymake.cpp | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 83 insertions(+), 2 deletions(-)

(limited to 'test-ymake.cpp')

diff --git a/test-ymake.cpp b/test-ymake.cpp
index 9d6cd43..973e827 100644
--- a/test-ymake.cpp
+++ b/test-ymake.cpp
@@ -171,11 +171,16 @@ TEST_F(ymakeTest, clean_one_cpp)
 
 TEST_F(ymakeTest, YMakefile_missing)
 {
- int result = run_command("../ymake");
+ std::vector<std::string> output;
+ int result = run_command("../ymake", output);
  EXPECT_NE(result, 0);
+ ASSERT_EQ(output.size(), 1);
+ EXPECT_EQ(output[0], "ymake: YMakefile not found");
 
- result = run_command("../ymake clean");
+ result = run_command("../ymake clean", output);
  EXPECT_NE(result, 0);
+ ASSERT_EQ(output.size(), 1);
+ EXPECT_EQ(output[0], "ymake: YMakefile not found");
 }
 
 TEST_F(ymakeTest, build_three_cpp)
@@ -229,6 +234,41 @@ TEST_F(ymakeTest, build_three_cpp)
  EXPECT_TRUE(!fs::exists("hello"));
 }
 
+TEST_F(ymakeTest, rebuild)
+{
+ create_file("hello.cpp", R"(int main(int argc, char* argv[])
+{
+ return 0;
+})");
+ create_file("second.cpp", R"(
+#include "second.h"
+)");
+ create_file("second.h", R"(
+#pragma once
+)");
+
+ create_file("YMakefile", R"(
+<ymake>
+ <build>
+  <name>hello</name>
+  <source>hello.cpp</source>
+  <source>second.cpp</source>
+ </build>
+</ymake>
+)");
+
+ std::vector<std::string> output;
+ int result = run_command("../ymake", output);
+ EXPECT_EQ(result, 0);
+
+ EXPECT_EQ(output.size(), 3); // compile 2, link 1
+
+ run_command("touch hello.cpp");
+ result = run_command("../ymake", output);
+ EXPECT_EQ(result, 0);
+ EXPECT_EQ(output.size(), 2); // compile 1, link 1
+}
+
 TEST_F(ymakeTest, build_cpp_c_cc)
 {
  create_file("hello.cpp", R"(int main(int argc, char* argv[])
@@ -1181,6 +1221,47 @@ __attribute__((visibility("default"))) int hello();
  EXPECT_TRUE(!fs::exists("runmain"));
 }
 
+TEST_F(ymakeTest, dependencies_on_YMakefile)
+{
+ create_file("hello.cpp", R"(int main(int argc, char* argv[])
+{
+ return 0;
+})");
+
+ create_file("YMakefile", R"(
+<ymake>
+ <build>
+  <name>hello</name>
+  <source>hello.cpp</source>
+ </build>
+</ymake>
+)");
+
+ std::vector<std::string> output;
+ int result = run_command("../ymake", output);
+ EXPECT_EQ(result, 0);
+
+ EXPECT_EQ(output.size(), 2); // compile, link
+
+ result = run_command("./hello", output);
+ EXPECT_EQ(result, 0);
+ EXPECT_EQ(output.size(), 0); // run
+
+ result = run_command("../ymake", output);
+ EXPECT_EQ(result, 0);
+ EXPECT_EQ(output.size(), 1); // "Everything up to date"
+ EXPECT_EQ(output[0], "Everything up to date.");
+
+ result = run_command("touch YMakefile");
+ EXPECT_EQ(result, 0);
+
+ result = run_command("../ymake", output);
+ EXPECT_EQ(result, 0);
+
+ EXPECT_EQ(output.size(), 2); // compile, link
+}
+
+
 TEST_F(yscanTest, no_cpp_file)
 {
  std::string output;
-- 
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