github.com/go-asm/go@v1.21.1-0.20240213172139-40c5ead50c48/cmd/compile/inline/inlheur/tserial_test.go (about)

     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 inlheur
     6  
     7  import "testing"
     8  
     9  func fpeq(fp1, fp2 FuncProps) bool {
    10  	if fp1.Flags != fp2.Flags {
    11  		return false
    12  	}
    13  	if len(fp1.ParamFlags) != len(fp2.ParamFlags) {
    14  		return false
    15  	}
    16  	for i := range fp1.ParamFlags {
    17  		if fp1.ParamFlags[i] != fp2.ParamFlags[i] {
    18  			return false
    19  		}
    20  	}
    21  	if len(fp1.ResultFlags) != len(fp2.ResultFlags) {
    22  		return false
    23  	}
    24  	for i := range fp1.ResultFlags {
    25  		if fp1.ResultFlags[i] != fp2.ResultFlags[i] {
    26  			return false
    27  		}
    28  	}
    29  	return true
    30  }
    31  
    32  func TestSerDeser(t *testing.T) {
    33  	testcases := []FuncProps{
    34  		{},
    35  		{
    36  			Flags: 0xfffff,
    37  		},
    38  		{
    39  			Flags:       1,
    40  			ResultFlags: []ResultPropBits{ResultAlwaysSameConstant},
    41  		},
    42  		{
    43  			Flags:       1,
    44  			ParamFlags:  []ParamPropBits{0x99, 0xaa, 0xfffff},
    45  			ResultFlags: []ResultPropBits{0xfeedface},
    46  		},
    47  	}
    48  
    49  	for k, tc := range testcases {
    50  		s := tc.SerializeToString()
    51  		fp := DeserializeFromString(s)
    52  		got := fp.String()
    53  		want := tc.String()
    54  		if !fpeq(*fp, tc) {
    55  			t.Errorf("eq check failed for test %d: got:\n%s\nwant:\n%s\n", k, got, want)
    56  		}
    57  	}
    58  
    59  	var nilt *FuncProps
    60  	ns := nilt.SerializeToString()
    61  	nfp := DeserializeFromString(ns)
    62  	if len(ns) != 0 || nfp != nil {
    63  		t.Errorf("nil serialize/deserialize failed")
    64  	}
    65  }