x64: test hello world

vlib/v/checker/tests/inout/void_fn_as_value.out

@@ -1,7 +1,7 @@
-vlib/v/checker/tests/inout/void_fn_as_value.v:5:8: error: unknown fn: x
+vlib/v/checker/tests/inout/void_fn_as_value.v:5:8: error: unknown funciton: x
     3| fn main() {
     4|   mut a := 'aa'
     5|   a += x('a','b')
               ~~~~~~~~~~
     6|   mut b := 'abcdef'
-    7| }
+    7| }

vlib/v/gen/x64/tests/hello.vv

@@ -0,0 +1,3 @@
+fn main() {
+	println('hello from x64')
+}

vlib/v/gen/x64/tests/hello.vv.out

@@ -0,0 +1 @@
+hello from x64

vlib/v/gen/x64/tests/x64_test.v

@@ -0,0 +1,74 @@
+import os
+import benchmark
+import term
+
+// TODO some logic copy pasted from valgrind_test.v and compiler_test.v, move to a module
+fn test_x64() {
+	if false && os.user_os() != 'linux' {
+		eprintln('x64 tests can only be run on Linux for now.')
+		exit(0)
+	}
+	var bench := benchmark.new_benchmark()
+	vexe := os.getenv('VEXE')
+	vroot := os.dir(vexe)
+	dir := os.join_path(vroot, 'vlib/v/gen/x64/tests')
+	files := os.ls(dir) or {
+		panic(err)
+	}
+	//
+	wrkdir := os.join_path(os.temp_dir(), 'vtests', 'x64')
+	os.mkdir_all(wrkdir)
+	os.chdir(wrkdir)
+	tests := files.filter(it.ends_with('.vv'))
+	if tests.len == 0 {
+		println('no x64 tests found')
+		assert false
+	}
+	bench.set_total_expected_steps(tests.len)
+	for test in tests {
+		bench.step()
+		full_test_path := os.real_path(test)
+		println('x.v: $wrkdir/x.v')
+		os.system('cp ${dir}/${test} $wrkdir/x.v') // cant run .vv file
+		x := os.exec('$vexe -o exe -x64 $wrkdir/x.v') or {
+			bench.fail()
+			eprintln(bench.step_message_fail('x64 $test failed'))
+			continue
+		}
+		res := os.exec('./exe') or {
+			bench.fail()
+			continue
+		}
+		if res.exit_code != 0 {
+			bench.fail()
+			eprintln(bench.step_message_fail('$full_test_path failed to run'))
+			eprintln(res.output)
+			continue
+		}
+		var expected := os.read_file('$dir/${test}.out') or {
+			panic(err)
+		}
+		expected = expected.trim_space().trim('\n').replace('\r\n', '\n')
+		found := res.output.trim_space().trim('\n').replace('\r\n', '\n')
+		if expected != found {
+			println(term.red('FAIL'))
+			println('============')
+			println('expected:')
+			println(expected)
+			println('============')
+			println('found:')
+			println(found)
+			println('============\n')
+			bench.fail()
+			continue
+		}
+		bench.ok()
+		eprintln(bench.step_message_ok('testing file: $test'))
+	}
+	bench.stop()
+	eprintln(term.h_divider('-'))
+	eprintln(bench.total_message('x64'))
+	if bench.nfail > 0 {
+		exit(1)
+	}
+}