buildssa_test.go

Documentation: golang.org/x/tools/go/analysis/passes/buildssa

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package buildssa_test
     6  
     7  import (
     8  	"fmt"
     9  	"os"
    10  	"testing"
    11  
    12  	"golang.org/x/tools/go/analysis/analysistest"
    13  	"golang.org/x/tools/go/analysis/passes/buildssa"
    14  )
    15  
    16  func Test(t *testing.T) {
    17  	testdata := analysistest.TestData()
    18  	result := analysistest.Run(t, testdata, buildssa.Analyzer, "a")[0].Result
    19  
    20  	ssainfo := result.(*buildssa.SSA)
    21  	got := fmt.Sprint(ssainfo.SrcFuncs)
    22  	want := `[a.Fib (a.T).fib a._ a._]`
    23  	if got != want {
    24  		t.Errorf("SSA.SrcFuncs = %s, want %s", got, want)
    25  		for _, f := range ssainfo.SrcFuncs {
    26  			f.WriteTo(os.Stderr)
    27  		}
    28  	}
    29  }
    30  
    31  func TestGenericDecls(t *testing.T) {
    32  	testdata := analysistest.TestData()
    33  	result := analysistest.Run(t, testdata, buildssa.Analyzer, "b")[0].Result
    34  
    35  	ssainfo := result.(*buildssa.SSA)
    36  	got := fmt.Sprint(ssainfo.SrcFuncs)
    37  	want := `[(*b.Pointer[T]).Load b.Load b.LoadPointer]`
    38  	if got != want {
    39  		t.Errorf("SSA.SrcFuncs = %s, want %s", got, want)
    40  		for _, f := range ssainfo.SrcFuncs {
    41  			f.WriteTo(os.Stderr)
    42  		}
    43  	}
    44  }
    45  
    46  func TestImporting(t *testing.T) {
    47  	testdata := analysistest.TestData()
    48  	result := analysistest.Run(t, testdata, buildssa.Analyzer, "c")[0].Result
    49  
    50  	ssainfo := result.(*buildssa.SSA)
    51  	got := fmt.Sprint(ssainfo.SrcFuncs)
    52  	want := `[c.A c.B]`
    53  	if got != want {
    54  		t.Errorf("SSA.SrcFuncs = %s, want %s", got, want)
    55  		for _, f := range ssainfo.SrcFuncs {
    56  			f.WriteTo(os.Stderr)
    57  		}
    58  	}
    59  }
    60
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