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go.tools/go/types: enable (previously broken) shift tests

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R=adonovan
CC=golang-dev
https://golang.org/cl/12109044
This commit is contained in:
Robert Griesemer 2013-07-30 11:10:28 -07:00
parent 7a1a18283b
commit e7c7afbb1a
1 changed files with 8 additions and 12 deletions
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20
go/types/testdata/shifts.src vendored
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@ -55,11 +55,7 @@ func shifts2() {
j int32 = 1<<s // 1 has type int32; j == 0
k = uint64(1<<s) // 1 has type uint64; k == 1<<33
m int = 1.0<<s // 1.0 has type int
// Disabled test below. gc and gccgo disagree: gc permits it per spec special case,
// gccgo does not (issue 4881). The spec special case seems not justified (issue 4883),
// and go/types agrees with gccgo.
// n = 1.0<<s != 0 // 1.0 has type int; n == false if ints are 32bits in size
n = 1.0 /* ERROR "must be integer" */ <<s != 0
n = 1.0<<s != i // 1.0 has type int; n == false if ints are 32bits in size
o = 1<<s == 2<<s // 1 and 2 have type int; o == true if ints are 32bits in size
p = 1<<s == 1<<33 // illegal if ints are 32bits in size: 1 has type int, but 1<<33 overflows int
u = 1.0 /* ERROR "must be integer" */ <<s // illegal: 1.0 has type float64, cannot shift
@ -233,15 +229,15 @@ func shifts8() {
_ = complex(1.0 /* ERROR "shifted operand 1.0 \(type float64\) must be integer" */ <<s, 1)
_ = complex(1.0, 1 /* ERROR "shifted operand 1 \(type float64\) must be integer" */ <<s)
// TODO(gri): enable tests using conversions (the spec is unclear)
// _ = int(1.<<s)
// _ = int(1.1<<s)
// _ = float32(1<<s)
// _ = float32(1.<<s)
// _ = float32(1.1<<s)
_ = int(1.<<s)
_ = int(1.1 /* ERROR "shifted operand .* must be integer" */ <<s)
_ = float32(1 /* ERROR "shifted operand .* must be integer" */ <<s)
_ = float32(1. /* ERROR "shifted operand .* must be integer" */ <<s)
_ = float32(1.1 /* ERROR "shifted operand .* must be integer" */ <<s)
// TODO(gri) the error messages for these two are incorrect - disabled for now
// _ = complex64(1<<s)
// _ = complex64(1.<<s)
// _ = complex64(1.1<<s)
_ = complex64(1.1 /* ERROR "shifted operand .* must be integer" */ <<s)
}
func shifts9() {