/*
 * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cl_test

import (
	"testing"

	"github.com/goplus/llgo/cl"
	"github.com/goplus/llgo/cl/cltest"
	"github.com/goplus/llgo/internal/build"
)

func testCompile(t *testing.T, src, expected string) {
	t.Helper()
	cltest.TestCompileEx(t, src, "foo.go", expected, false)
}

func TestFromTestgo(t *testing.T) {
	cltest.FromDir(t, "", "./_testgo")
}

func TestFromTestpy(t *testing.T) {
	cltest.FromDir(t, "", "./_testpy")
}

func TestFromTestlibgo(t *testing.T) {
	cltest.FromDir(t, "", "./_testlibgo")
}

func TestFromTestlibc(t *testing.T) {
	cltest.FromDir(t, "", "./_testlibc")
}

func TestFromTestrt(t *testing.T) {
	cl.SetDebug(cl.DbgFlagAll)
	cltest.FromDir(t, "", "./_testrt")
	cl.SetDebug(0)
}

func TestFromTestdata(t *testing.T) {
	cltest.FromDir(t, "", "./_testdata")
}

func TestGoPkgMath(t *testing.T) {
	conf := build.NewDefaultConf(build.ModeInstall)
	_, err := build.Do([]string{"math"}, conf)
	if err != nil {
		t.Fatal(err)
	}
}

func TestVar(t *testing.T) {
	testCompile(t, `package foo

var a int
`, `; ModuleID = 'foo'
source_filename = "foo"

@foo.a = global i64 0, align 8
@"foo.init$guard" = global i1 false, align 1

define void @foo.init() {
_llgo_0:
  %0 = load i1, ptr @"foo.init$guard", align 1
  br i1 %0, label %_llgo_2, label %_llgo_1

_llgo_1:                                          ; preds = %_llgo_0
  store i1 true, ptr @"foo.init$guard", align 1
  br label %_llgo_2

_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
  ret void
}
`)
}

func TestBasicFunc(t *testing.T) {
	testCompile(t, `package foo

func fn(a int, b float64) int {
	return 1
}
`, `; ModuleID = 'foo'
source_filename = "foo"

@"foo.init$guard" = global i1 false, align 1

define i64 @foo.fn(i64 %0, double %1) {
_llgo_0:
  ret i64 1
}

define void @foo.init() {
_llgo_0:
  %0 = load i1, ptr @"foo.init$guard", align 1
  br i1 %0, label %_llgo_2, label %_llgo_1

_llgo_1:                                          ; preds = %_llgo_0
  store i1 true, ptr @"foo.init$guard", align 1
  br label %_llgo_2

_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
  ret void
}
`)
}