supported_test.go

Documentation: cmd/dist

     1  // Copyright 2023 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  	"internal/platform"
     9  	"testing"
    10  )
    11  
    12  // TestSupported tests that dist and the main tools agree on
    13  // which build modes are supported for a given target. We do things
    14  // this way because the dist tool needs to be buildable directly by
    15  // the bootstrap compiler, and as such can't import internal packages.
    16  func TestSupported(t *testing.T) {
    17  	defer func(a, o string) {
    18  		goarch = a
    19  		goos = o
    20  	}(goarch, goos)
    21  
    22  	var modes = []string{
    23  		// we assume that "exe" and "archive" always work
    24  		"pie",
    25  		"c-archive",
    26  		"c-shared",
    27  		"shared",
    28  		"plugin",
    29  	}
    30  
    31  	for _, a := range okgoarch {
    32  		goarch = a
    33  		for _, o := range okgoos {
    34  			if _, ok := cgoEnabled[o+"/"+a]; !ok {
    35  				continue
    36  			}
    37  			goos = o
    38  			for _, mode := range modes {
    39  				var dt tester
    40  				dist := dt.supportedBuildmode(mode)
    41  				std := platform.BuildModeSupported("gc", mode, o, a)
    42  				if dist != std {
    43  					t.Errorf("discrepancy for %s-%s %s: dist says %t, standard library says %t", o, a, mode, dist, std)
    44  				}
    45  			}
    46  		}
    47  	}
    48  }
    49
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