builder.command_runner_.release();
}
+
+/// Check that a restat rule generating a header cancels compilations correctly.
+TEST_F(BuildWithDepsLogTest, RestatDepfileDependency) {
+ string err;
+ // Note: in1 was created by the superclass SetUp().
+ const char* manifest =
+ "rule true\n"
+ " command = true\n" // Would be "write if out-of-date" in reality.
+ " restat = 1\n"
+ "build header.h: true header.in\n"
+ "build out: cat in1\n"
+ " deps = gcc\n"
+ " depfile = in1.d\n";
+ {
+ State state;
+ ASSERT_NO_FATAL_FAILURE(AddCatRule(&state));
+ ASSERT_NO_FATAL_FAILURE(AssertParse(&state, manifest));
+
+ // Run the build once, everything should be ok.
+ DepsLog deps_log;
+ ASSERT_TRUE(deps_log.OpenForWrite("ninja_deps", &err));
+ ASSERT_EQ("", err);
+
+ Builder builder(&state, config_, NULL, &deps_log, &fs_);
+ builder.command_runner_.reset(&command_runner_);
+ EXPECT_TRUE(builder.AddTarget("out", &err));
+ ASSERT_EQ("", err);
+ fs_.Create("in1.d", "out: header.h");
+ EXPECT_TRUE(builder.Build(&err));
+ EXPECT_EQ("", err);
+
+ deps_log.Close();
+ builder.command_runner_.release();
+ }
+
+ {
+ State state;
+ ASSERT_NO_FATAL_FAILURE(AddCatRule(&state));
+ ASSERT_NO_FATAL_FAILURE(AssertParse(&state, manifest));
+
+ // Touch the input of the restat rule.
+ fs_.Tick();
+ fs_.Create("header.in", "");
+
+ // Run the build again.
+ DepsLog deps_log;
+ ASSERT_TRUE(deps_log.Load("ninja_deps", &state, &err));
+ ASSERT_TRUE(deps_log.OpenForWrite("ninja_deps", &err));
+
+ Builder builder(&state, config_, NULL, &deps_log, &fs_);
+ builder.command_runner_.reset(&command_runner_);
+ command_runner_.commands_ran_.clear();
+ EXPECT_TRUE(builder.AddTarget("out", &err));
+ ASSERT_EQ("", err);
+ EXPECT_TRUE(builder.Build(&err));
+ EXPECT_EQ("", err);
+
+ // Rule "true" should have run again, but the build of "out" should have
+ // been cancelled due to restat propagating through the depfile header.
+ EXPECT_EQ(1u, command_runner_.commands_ran_.size());
+
+ builder.command_runner_.release();
+ }
+}