ctrlflow_test.go

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

     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 ctrlflow_test
     6  
     7  import (
     8  	"go/ast"
     9  	"testing"
    10  
    11  	"golang.org/x/tools/go/analysis/analysistest"
    12  	"golang.org/x/tools/go/analysis/passes/ctrlflow"
    13  )
    14  
    15  func Test(t *testing.T) {
    16  	testdata := analysistest.TestData()
    17  	results := analysistest.Run(t, testdata, ctrlflow.Analyzer, "a", "typeparams")
    18  
    19  	// Perform a minimal smoke test on
    20  	// the result (CFG) computed by ctrlflow.
    21  	for _, result := range results {
    22  		cfgs := result.Result.(*ctrlflow.CFGs)
    23  
    24  		for _, decl := range result.Pass.Files[0].Decls {
    25  			if decl, ok := decl.(*ast.FuncDecl); ok && decl.Body != nil {
    26  				if cfgs.FuncDecl(decl) == nil {
    27  					t.Errorf("%s: no CFG for func %s",
    28  						result.Pass.Fset.Position(decl.Pos()), decl.Name.Name)
    29  				}
    30  			}
    31  		}
    32  	}
    33  }
    34

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