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path: root/common/compiler/solidity_test.go
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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package compiler

import (
    "os/exec"
    "testing"
)

const (
    testSource = `
contract test {
   /// @notice Will multiply ` + "`a`" + ` by 7.
   function multiply(uint a) returns(uint d) {
       return a * 7;
   }
}
`
)

func skipWithoutSolc(t *testing.T) {
    if _, err := exec.LookPath("solc"); err != nil {
        t.Skip(err)
    }
}

func TestCompiler(t *testing.T) {
    skipWithoutSolc(t)

    contracts, err := CompileSolidityString("", testSource)
    if err != nil {
        t.Fatalf("error compiling source. result %v: %v", contracts, err)
    }
    if len(contracts) != 1 {
        t.Errorf("one contract expected, got %d", len(contracts))
    }
    c, ok := contracts["test"]
    if !ok {
        c, ok = contracts["<stdin>:test"]
        if !ok {
            t.Fatal("info for contract 'test' not present in result")
        }
    }
    if c.Code == "" {
        t.Error("empty code")
    }
    if c.Info.Source != testSource {
        t.Error("wrong source")
    }
    if c.Info.CompilerVersion == "" {
        t.Error("empty version")
    }
}

func TestCompileError(t *testing.T) {
    skipWithoutSolc(t)

    contracts, err := CompileSolidityString("", testSource[4:])
    if err == nil {
        t.Errorf("error expected compiling source. got none. result %v", contracts)
    }
    t.Logf("error: %v", err)
}