neoneo-go/pkg/vm/tests/binary_expr_test.go
Roman Khimov 18d971440b vm: expand binary expr tests with cases from #294
Make a full set of numeric/string comparisons with `==` and `!=` being
evaluated to true and false.
2019-08-20 20:43:43 +03:00

193 lines
2.3 KiB
Go

package vm_test
import (
"math/big"
"testing"
)
var binaryExprTestCases = []testCase{
{
"simple add",
`
package testcase
func Main() int {
x := 2 + 2
return x
}
`,
big.NewInt(4),
},
{
"simple sub",
`
package testcase
func Main() int {
x := 2 - 2
return x
}
`,
big.NewInt(0),
},
{
"simple div",
`
package testcase
func Main() int {
x := 2 / 2
return x
}
`,
big.NewInt(1),
},
{
"simple mul",
`
package testcase
func Main() int {
x := 4 * 2
return x
}
`,
big.NewInt(8),
},
{
"simple binary expr in return",
`
package testcase
func Main() int {
x := 2
return 2 + x
}
`,
big.NewInt(4),
},
{
"complex binary expr",
`
package testcase
func Main() int {
x := 4
y := 8
z := x + 2 + 2 - 8
return y * z
}
`,
big.NewInt(0),
},
{
"compare not equal strings with eql",
`
package testcase
func Main() int {
str := "a string"
if str == "another string" {
return 1
}
return 0
}
`,
big.NewInt(0),
},
{
"compare equal strings with eql",
`
package testcase
func Main() int {
str := "a string"
if str == "a string" {
return 1
}
return 0
}
`,
big.NewInt(1),
},
{
"compare not equal strings with neq",
`
package testcase
func Main() int {
str := "a string"
if str != "another string" {
return 1
}
return 0
}
`,
big.NewInt(1),
},
{
"compare equal strings with neq",
`
package testcase
func Main() int {
str := "a string"
if str != "a string" {
return 1
}
return 0
}
`,
big.NewInt(0),
},
{
"compare equal ints with eql",
`
package testcase
func Main() int {
x := 10
if x == 10 {
return 1
}
return 0
}
`,
big.NewInt(1),
},
{
"compare equal ints with neq",
`
package testcase
func Main() int {
x := 10
if x != 10 {
return 1
}
return 0
}
`,
big.NewInt(0),
},
{
"compare not equal ints with eql",
`
package testcase
func Main() int {
x := 11
if x == 10 {
return 1
}
return 0
}
`,
big.NewInt(0),
},
{
"compare not equal ints with neq",
`
package testcase
func Main() int {
x := 11
if x != 10 {
return 1
}
return 0
}
`,
big.NewInt(1),
},
}
func TestBinaryExprs(t *testing.T) {
run_testcases(t, binaryExprTestCases)
}