github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/soong/cmd/symbol_inject/elf_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  	"strconv"
    19  	"testing"
    20  )
    21  
    22  func TestElfSymbolTable(t *testing.T) {
    23  	testCases := []struct {
    24  		file         *mockElfFile
    25  		symbol       string
    26  		offset, size uint64
    27  	}{
    28  		{
    29  			file:   elfSymbolTable1,
    30  			symbol: "soong_build_number",
    31  			offset: 0x1030,
    32  			size:   128,
    33  		},
    34  		{
    35  			file:   elfSymbolTable2,
    36  			symbol: "symbol1",
    37  			offset: 0x1030,
    38  			size:   128,
    39  		},
    40  		{
    41  			file:   elfSymbolTable2,
    42  			symbol: "symbol2",
    43  			offset: 0x10b0,
    44  			size:   128,
    45  		},
    46  	}
    47  
    48  	for i, testCase := range testCases {
    49  		t.Run(strconv.Itoa(i), func(t *testing.T) {
    50  			file, err := extractElfSymbols(testCase.file)
    51  			if err != nil {
    52  				t.Error(err.Error())
    53  			}
    54  			offset, size, err := findSymbol(file, testCase.symbol)
    55  			if err != nil {
    56  				t.Error(err.Error())
    57  			}
    58  			if offset != testCase.offset || size != testCase.size {
    59  				t.Errorf("expected %x:%x, got %x:%x", testCase.offset, testCase.size, offset, size)
    60  			}
    61  		})
    62  	}
    63  }