.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / honnef.co / go / tools@v0.1.1 / go / ir / irutil / load_test.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/honnef.co/go/tools@v0.1.1/go/ir/irutil/load_test.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/honnef.co/go/tools@v0.1.1/go/ir/irutil/load_test.go
new file mode 100644 (file)
index 0000000..970411c
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/honnef.co/go/tools@v0.1.1/go/ir/irutil/load_test.go
@@ -0,0 +1,125 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package irutil_test
+
+import (
+       "bytes"
+       "go/ast"
+       "go/importer"
+       "go/parser"
+       "go/token"
+       "go/types"
+       "os"
+       "strings"
+       "testing"
+
+       "honnef.co/go/tools/go/ir/irutil"
+
+       "golang.org/x/tools/go/packages"
+)
+
+const hello = `package main
+
+import "fmt"
+
+func main() {
+       fmt.Println("Hello, world")
+}
+`
+
+func TestBuildPackage(t *testing.T) {
+       // There is a more substantial test of BuildPackage and the
+       // IR program it builds in ../ir/builder_test.go.
+
+       fset := token.NewFileSet()
+       f, err := parser.ParseFile(fset, "hello.go", hello, 0)
+       if err != nil {
+               t.Fatal(err)
+       }
+
+       pkg := types.NewPackage("hello", "")
+       irpkg, _, err := irutil.BuildPackage(&types.Config{Importer: importer.Default()}, fset, pkg, []*ast.File{f}, 0)
+       if err != nil {
+               t.Fatal(err)
+       }
+       if pkg.Name() != "main" {
+               t.Errorf("pkg.Name() = %s, want main", pkg.Name())
+       }
+       if irpkg.Func("main") == nil {
+               irpkg.WriteTo(os.Stderr)
+               t.Errorf("irpkg has no main function")
+       }
+}
+
+func TestPackages(t *testing.T) {
+       cfg := &packages.Config{Mode: packages.LoadSyntax}
+       initial, err := packages.Load(cfg, "bytes")
+       if err != nil {
+               t.Fatal(err)
+       }
+       if packages.PrintErrors(initial) > 0 {
+               t.Fatal("there were errors")
+       }
+
+       prog, pkgs := irutil.Packages(initial, 0, nil)
+       bytesNewBuffer := pkgs[0].Func("NewBuffer")
+       bytesNewBuffer.Pkg.Build()
+
+       // We'll dump the IR of bytes.NewBuffer because it is small and stable.
+       out := new(bytes.Buffer)
+       bytesNewBuffer.WriteTo(out)
+
+       // For determinism, sanitize the location.
+       location := prog.Fset.Position(bytesNewBuffer.Pos()).String()
+       got := strings.Replace(out.String(), location, "$GOROOT/src/bytes/buffer.go:1", -1)
+
+       want := `
+# Name: bytes.NewBuffer
+# Package: bytes
+# Location: $GOROOT/src/bytes/buffer.go:1
+func NewBuffer(buf []byte) *Buffer:
+b0: # entry
+       t1 = Parameter <[]byte> {buf}
+       t2 = HeapAlloc <*Buffer>
+       t3 = FieldAddr <*[]byte> [0] (buf) t2
+       Store {[]byte} t3 t1
+       Jump → b1
+
+b1: ← b0 # exit
+       Return t2
+
+`[1:]
+       if got != want {
+               t.Errorf("bytes.NewBuffer IR = <<%s>>, want <<%s>>", got, want)
+       }
+}
+
+func TestBuildPackage_MissingImport(t *testing.T) {
+       fset := token.NewFileSet()
+       f, err := parser.ParseFile(fset, "bad.go", `package bad; import "missing"`, 0)
+       if err != nil {
+               t.Fatal(err)
+       }
+
+       pkg := types.NewPackage("bad", "")
+       irpkg, _, err := irutil.BuildPackage(new(types.Config), fset, pkg, []*ast.File{f}, 0)
+       if err == nil || irpkg != nil {
+               t.Fatal("BuildPackage succeeded unexpectedly")
+       }
+}
+
+func TestIssue28106(t *testing.T) {
+       // In go1.10, go/packages loads all packages from source, not
+       // export data, but does not type check function bodies of
+       // imported packages. This test ensures that we do not attempt
+       // to run the IR builder on functions without type information.
+       cfg := &packages.Config{Mode: packages.LoadSyntax}
+       pkgs, err := packages.Load(cfg, "runtime")
+       if err != nil {
+               t.Fatal(err)
+       }
+       prog, _ := irutil.Packages(pkgs, 0, nil)
+       prog.Build() // no crash
+}