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Source file src/cmd/dist/buildtag_test.go

Documentation: cmd/dist

     1  // Copyright 2021 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 main
     6  
     7  import (
     8  	"fmt"
     9  	"reflect"
    10  	"testing"
    11  )
    12  
    13  var buildParserTests = []struct {
    14  	x       string
    15  	matched bool
    16  	err     error
    17  }{
    18  	{"gc", true, nil},
    19  	{"gccgo", false, nil},
    20  	{"!gc", false, nil},
    21  	{"gc && gccgo", false, nil},
    22  	{"gc || gccgo", true, nil},
    23  	{"gc || (gccgo && !gccgo)", true, nil},
    24  	{"gc && (gccgo || !gccgo)", true, nil},
    25  	{"!(gc && (gccgo || !gccgo))", false, nil},
    26  	{"gccgo || gc", true, nil},
    27  	{"!(!(!(gccgo || gc)))", false, nil},
    28  	{"compiler_bootstrap", false, nil},
    29  	{"cmd_go_bootstrap", true, nil},
    30  	{"syntax(error", false, fmt.Errorf("parsing //go:build line: unexpected (")},
    31  	{"(gc", false, fmt.Errorf("parsing //go:build line: missing )")},
    32  	{"gc gc", false, fmt.Errorf("parsing //go:build line: unexpected tag")},
    33  	{"(gc))", false, fmt.Errorf("parsing //go:build line: unexpected )")},
    34  }
    35  
    36  func TestBuildParser(t *testing.T) {
    37  	for _, tt := range buildParserTests {
    38  		matched, err := matchexpr(tt.x)
    39  		if matched != tt.matched || !reflect.DeepEqual(err, tt.err) {
    40  			t.Errorf("matchexpr(%q) = %v, %v; want %v, %v", tt.x, matched, err, tt.matched, tt.err)
    41  		}
    42  	}
    43  }
    44  

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