3 // Copyright 2009 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
7 // Test simple boolean and numeric constants.
29 fhuge float64 = 1 << 100
30 fhuge_1 float64 = chuge - 1
31 f1 float64 = chuge >> 100
36 func assert(t bool, s string) {
45 assert(chuge > chuge_1, "chuge")
46 assert(chuge_1+1 == chuge, "chuge 1")
47 assert(chuge+cm1+1 == chuge, "cm1")
48 assert(c3div2 == 1, "3/2")
49 assert(c1e3 == 1000, "c1e3 int")
50 assert(c1e3 == 1e3, "c1e3 float")
52 // verify that all (in range) are assignable as ints
55 assert(i == c0, "i == c0")
57 assert(i == cm1, "i == cm1")
59 assert(i == c1, "i == c1")
61 assert(i == c3div2, "i == c3div2")
63 assert(i == c1e3, "i == c1e3")
65 // verify that all are assignable as floats
68 assert(f == c0, "f == c0")
70 assert(f == cm1, "f == cm1")
72 assert(f == chuge, "f == chuge")
74 assert(f == chuge_1, "f == chuge_1")
76 assert(f == c1, "f == c1")
78 assert(f == c3div2, "f == c3div2")
80 assert(f == c1e3, "f == c1e3")
84 assert(f0 == c0, "f0")
85 assert(f1 == c1, "f1")
86 // TODO(gri): exp/ssa/interp constant folding is incorrect.
87 if os.Getenv("GOSSAINTERP") == "" {
88 assert(fhuge == fhuge_1, "fhuge") // float64 can't distinguish fhuge, fhuge_1.
90 assert(fhuge_1+1 == fhuge, "fhuge 1")
91 assert(fhuge+fm1+1 == fhuge, "fm1")
92 assert(f3div2 == 1.5, "3./2.")
93 assert(f1e3 == 1000, "f1e3 int")
94 assert(f1e3 == 1.e3, "f1e3 float")
96 // verify that all (in range) are assignable as ints
99 assert(i == f0, "i == f0")
101 assert(i == fm1, "i == fm1")
103 // verify that all are assignable as floats
106 assert(f == f0, "f == f0")
108 assert(f == fm1, "f == fm1")
110 assert(f == fhuge, "f == fhuge")
112 assert(f == fhuge_1, "f == fhuge_1")
114 assert(f == f1, "f == f1")
116 assert(f == f3div2, "f == f3div2")
118 assert(f == f1e3, "f == f1e3")
125 assert(ctrue == true, "ctrue == true")
126 assert(cfalse == false, "cfalse == false")