github.com/epfl-dcsl/gotee@v0.0.0-20200909122901-014b35f5e5e9/src/cmd/compile/internal/gc/lex_test.go (about)

     1  // Copyright 2016 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 gc
     6  
     7  import (
     8  	"cmd/internal/src"
     9  	"testing"
    10  )
    11  
    12  func eq(a, b []string) bool {
    13  	if len(a) != len(b) {
    14  		return false
    15  	}
    16  	for i := 0; i < len(a); i++ {
    17  		if a[i] != b[i] {
    18  			return false
    19  		}
    20  	}
    21  	return true
    22  }
    23  
    24  func TestPragmaFields(t *testing.T) {
    25  
    26  	var tests = []struct {
    27  		in   string
    28  		want []string
    29  	}{
    30  		{"", []string{}},
    31  		{" \t ", []string{}},
    32  		{`""""`, []string{`""`, `""`}},
    33  		{"  a'b'c  ", []string{"a'b'c"}},
    34  		{"1 2 3 4", []string{"1", "2", "3", "4"}},
    35  		{"\n☺\t☹\n", []string{"☺", "☹"}},
    36  		{`"1 2 "  3  " 4 5"`, []string{`"1 2 "`, `3`, `" 4 5"`}},
    37  		{`"1""2 3""4"`, []string{`"1"`, `"2 3"`, `"4"`}},
    38  		{`12"34"`, []string{`12`, `"34"`}},
    39  		{`12"34 `, []string{`12`}},
    40  	}
    41  
    42  	for _, tt := range tests {
    43  		got := pragmaFields(tt.in)
    44  		if !eq(got, tt.want) {
    45  			t.Errorf("pragmaFields(%q) = %v; want %v", tt.in, got, tt.want)
    46  			continue
    47  		}
    48  	}
    49  }
    50  
    51  func TestPragcgo(t *testing.T) {
    52  
    53  	var tests = []struct {
    54  		in   string
    55  		want string
    56  	}{
    57  		{`go:cgo_export_dynamic local`, "cgo_export_dynamic local\n"},
    58  		{`go:cgo_export_dynamic local remote`, "cgo_export_dynamic local remote\n"},
    59  		{`go:cgo_export_dynamic local' remote'`, "cgo_export_dynamic 'local''' 'remote'''\n"},
    60  		{`go:cgo_export_static local`, "cgo_export_static local\n"},
    61  		{`go:cgo_export_static local remote`, "cgo_export_static local remote\n"},
    62  		{`go:cgo_export_static local' remote'`, "cgo_export_static 'local''' 'remote'''\n"},
    63  		{`go:cgo_import_dynamic local`, "cgo_import_dynamic local\n"},
    64  		{`go:cgo_import_dynamic local remote`, "cgo_import_dynamic local remote\n"},
    65  		{`go:cgo_import_dynamic local remote "library"`, "cgo_import_dynamic local remote library\n"},
    66  		{`go:cgo_import_dynamic local' remote' "lib rary"`, "cgo_import_dynamic 'local''' 'remote''' 'lib rary'\n"},
    67  		{`go:cgo_import_static local`, "cgo_import_static local\n"},
    68  		{`go:cgo_import_static local'`, "cgo_import_static 'local'''\n"},
    69  		{`go:cgo_dynamic_linker "/path/"`, "cgo_dynamic_linker /path/\n"},
    70  		{`go:cgo_dynamic_linker "/p ath/"`, "cgo_dynamic_linker '/p ath/'\n"},
    71  		{`go:cgo_ldflag "arg"`, "cgo_ldflag arg\n"},
    72  		{`go:cgo_ldflag "a rg"`, "cgo_ldflag 'a rg'\n"},
    73  	}
    74  
    75  	var p noder
    76  	for _, tt := range tests {
    77  		got := p.pragcgo(src.NoPos, tt.in)
    78  		if got != tt.want {
    79  			t.Errorf("pragcgo(%q) = %q; want %q", tt.in, got, tt.want)
    80  			continue
    81  		}
    82  	}
    83  }