github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/soong/cmd/symbol_inject/macho_test.go (about)

     1  // Copyright 2018 Google Inc. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"debug/macho"
    19  	"strconv"
    20  	"testing"
    21  )
    22  
    23  func TestMachoSymbolTable(t *testing.T) {
    24  	testCases := []struct {
    25  		file         *macho.File
    26  		symbol       string
    27  		offset, size uint64
    28  	}{
    29  		{
    30  			file:   machoSymbolTable1,
    31  			symbol: "soong_build_number",
    32  			offset: 0x1020,
    33  			size:   128,
    34  		},
    35  		{
    36  			file:   machoSymbolTable2,
    37  			symbol: "symbol1",
    38  			offset: 0x1020,
    39  			size:   128,
    40  		},
    41  		{
    42  			file:   machoSymbolTable2,
    43  			symbol: "symbol2",
    44  			offset: 0x10a0,
    45  			size:   128,
    46  		},
    47  	}
    48  
    49  	for i, testCase := range testCases {
    50  		t.Run(strconv.Itoa(i), func(t *testing.T) {
    51  			file, err := extractMachoSymbols(testCase.file)
    52  			if err != nil {
    53  				t.Error(err.Error())
    54  			}
    55  			offset, size, err := findSymbol(file, testCase.symbol)
    56  			if err != nil {
    57  				t.Error(err.Error())
    58  			}
    59  			if offset != testCase.offset || size != testCase.size {
    60  				t.Errorf("expected %x:%x, got %x:%x", testCase.offset, testCase.size, offset, size)
    61  			}
    62  		})
    63  	}
    64  }