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Diffstat (limited to 'libgo/go/exp/eval/expr_test.go')
| -rw-r--r-- | libgo/go/exp/eval/expr_test.go | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/libgo/go/exp/eval/expr_test.go b/libgo/go/exp/eval/expr_test.go deleted file mode 100644 index 0dbce431520..00000000000 --- a/libgo/go/exp/eval/expr_test.go +++ /dev/null @@ -1,355 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package eval - -import ( - "big" - "testing" -) - -var undefined = "undefined" -var typeAsExpr = "type .* used as expression" -var badCharLit = "character literal" -var unknownEscape = "unknown escape sequence" -var opTypes = "illegal (operand|argument) type|cannot index into" -var badAddrOf = "cannot take the address" -var constantTruncated = "constant [^ ]* truncated" -var constantUnderflows = "constant [^ ]* underflows" -var constantOverflows = "constant [^ ]* overflows" -var implLimit = "implementation limit" -var mustBeUnsigned = "must be unsigned" -var divByZero = "divide by zero" - -var hugeInteger = new(big.Int).Lsh(idealOne, 64) - -var exprTests = []test{ - Val("i", 1), - CErr("zzz", undefined), - // TODO(austin) Test variable in constant context - //CErr("t", typeAsExpr), - - Val("'a'", big.NewInt('a')), - Val("'\\uffff'", big.NewInt('\uffff')), - Val("'\\n'", big.NewInt('\n')), - CErr("''+x", badCharLit), - // Produces two parse errors - //CErr("'''", ""), - CErr("'\n'", badCharLit), - CErr("'\\z'", unknownEscape), - CErr("'ab'", badCharLit), - - Val("1.0", big.NewRat(1, 1)), - Val("1.", big.NewRat(1, 1)), - Val(".1", big.NewRat(1, 10)), - Val("1e2", big.NewRat(100, 1)), - - Val("\"abc\"", "abc"), - Val("\"\"", ""), - Val("\"\\n\\\"\"", "\n\""), - CErr("\"\\z\"", unknownEscape), - CErr("\"abc", "string not terminated"), - - Val("(i)", 1), - - Val("ai[0]", 1), - Val("(&ai)[0]", 1), - Val("ai[1]", 2), - Val("ai[i]", 2), - Val("ai[u]", 2), - CErr("ai[f]", opTypes), - CErr("ai[0][0]", opTypes), - CErr("ai[2]", "index 2 exceeds"), - CErr("ai[1+1]", "index 2 exceeds"), - CErr("ai[-1]", "negative index"), - RErr("ai[i+i]", "index 2 exceeds"), - RErr("ai[-i]", "negative index"), - CErr("i[0]", opTypes), - CErr("f[0]", opTypes), - - Val("aai[0][0]", 1), - Val("aai[1][1]", 4), - CErr("aai[2][0]", "index 2 exceeds"), - CErr("aai[0][2]", "index 2 exceeds"), - - Val("sli[0]", 1), - Val("sli[1]", 2), - CErr("sli[-1]", "negative index"), - RErr("sli[-i]", "negative index"), - RErr("sli[2]", "index 2 exceeds"), - - Val("s[0]", uint8('a')), - Val("s[1]", uint8('b')), - CErr("s[-1]", "negative index"), - RErr("s[-i]", "negative index"), - RErr("s[3]", "index 3 exceeds"), - - Val("ai[0:2]", vslice{varray{1, 2}, 2, 2}), - Val("ai[0:1]", vslice{varray{1, 2}, 1, 2}), - Val("ai[0:]", vslice{varray{1, 2}, 2, 2}), - Val("ai[i:]", vslice{varray{2}, 1, 1}), - - Val("sli[0:2]", vslice{varray{1, 2, 3}, 2, 3}), - Val("sli[0:i]", vslice{varray{1, 2, 3}, 1, 3}), - Val("sli[1:]", vslice{varray{2, 3}, 1, 2}), - - CErr("1(2)", "cannot call"), - CErr("fn(1,2)", "too many"), - CErr("fn()", "not enough"), - CErr("fn(true)", opTypes), - CErr("fn(true)", "function call"), - // Single argument functions don't say which argument. - //CErr("fn(true)", "argument 1"), - Val("fn(1)", 2), - Val("fn(1.0)", 2), - CErr("fn(1.5)", constantTruncated), - Val("fn(i)", 2), - CErr("fn(u)", opTypes), - - CErr("void()+2", opTypes), - CErr("oneTwo()+2", opTypes), - - Val("cap(ai)", 2), - Val("cap(&ai)", 2), - Val("cap(aai)", 2), - Val("cap(sli)", 3), - CErr("cap(0)", opTypes), - CErr("cap(i)", opTypes), - CErr("cap(s)", opTypes), - - Val("len(s)", 3), - Val("len(ai)", 2), - Val("len(&ai)", 2), - Val("len(ai[0:])", 2), - Val("len(ai[1:])", 1), - Val("len(ai[2:])", 0), - Val("len(aai)", 2), - Val("len(sli)", 2), - Val("len(sli[0:])", 2), - Val("len(sli[1:])", 1), - Val("len(sli[2:])", 0), - // TODO(austin) Test len of map - CErr("len(0)", opTypes), - CErr("len(i)", opTypes), - - CErr("*i", opTypes), - Val("*&i", 1), - Val("*&(i)", 1), - CErr("&1", badAddrOf), - CErr("&c", badAddrOf), - Val("*(&ai[0])", 1), - - Val("+1", big.NewInt(+1)), - Val("+1.0", big.NewRat(1, 1)), - Val("01.5", big.NewRat(15, 10)), - CErr("+\"x\"", opTypes), - - Val("-42", big.NewInt(-42)), - Val("-i", -1), - Val("-f", -1.0), - // 6g bug? - //Val("-(f-1)", -0.0), - CErr("-\"x\"", opTypes), - - // TODO(austin) Test unary ! - - Val("^2", big.NewInt(^2)), - Val("^(-2)", big.NewInt(^(-2))), - CErr("^2.0", opTypes), - CErr("^2.5", opTypes), - Val("^i", ^1), - Val("^u", ^uint(1)), - CErr("^f", opTypes), - - Val("1+i", 2), - Val("1+u", uint(2)), - Val("3.0+i", 4), - Val("1+1", big.NewInt(2)), - Val("f+f", 2.0), - Val("1+f", 2.0), - Val("1.0+1", big.NewRat(2, 1)), - Val("\"abc\" + \"def\"", "abcdef"), - CErr("i+u", opTypes), - CErr("-1+u", constantUnderflows), - // TODO(austin) Test named types - - Val("2-1", big.NewInt(1)), - Val("2.0-1", big.NewRat(1, 1)), - Val("f-2", -1.0), - Val("-0.0", big.NewRat(0, 1)), - Val("2*2", big.NewInt(4)), - Val("2*i", 2), - Val("3/2", big.NewInt(1)), - Val("3/i", 3), - CErr("1/0", divByZero), - CErr("1.0/0", divByZero), - RErr("i/0", divByZero), - Val("3%2", big.NewInt(1)), - Val("i%2", 1), - CErr("3%0", divByZero), - CErr("3.0%0", opTypes), - RErr("i%0", divByZero), - - // Examples from "Arithmetic operators" - Val("5/3", big.NewInt(1)), - Val("(i+4)/(i+2)", 1), - Val("5%3", big.NewInt(2)), - Val("(i+4)%(i+2)", 2), - Val("-5/3", big.NewInt(-1)), - Val("(i-6)/(i+2)", -1), - Val("-5%3", big.NewInt(-2)), - Val("(i-6)%(i+2)", -2), - Val("5/-3", big.NewInt(-1)), - Val("(i+4)/(i-4)", -1), - Val("5%-3", big.NewInt(2)), - Val("(i+4)%(i-4)", 2), - Val("-5/-3", big.NewInt(1)), - Val("(i-6)/(i-4)", 1), - Val("-5%-3", big.NewInt(-2)), - Val("(i-6)%(i-4)", -2), - - // Examples from "Arithmetic operators" - Val("11/4", big.NewInt(2)), - Val("(i+10)/4", 2), - Val("11%4", big.NewInt(3)), - Val("(i+10)%4", 3), - Val("11>>2", big.NewInt(2)), - Val("(i+10)>>2", 2), - Val("11&3", big.NewInt(3)), - Val("(i+10)&3", 3), - Val("-11/4", big.NewInt(-2)), - Val("(i-12)/4", -2), - Val("-11%4", big.NewInt(-3)), - Val("(i-12)%4", -3), - Val("-11>>2", big.NewInt(-3)), - Val("(i-12)>>2", -3), - Val("-11&3", big.NewInt(1)), - Val("(i-12)&3", 1), - - // TODO(austin) Test bit ops - - // For shift, we try nearly every combination of positive - // ideal int, negative ideal int, big ideal int, ideal - // fractional float, ideal non-fractional float, int, uint, - // and float. - Val("2<<2", big.NewInt(2<<2)), - CErr("2<<(-1)", constantUnderflows), - CErr("2<<0x10000000000000000", constantOverflows), - CErr("2<<2.5", constantTruncated), - Val("2<<2.0", big.NewInt(2<<2.0)), - CErr("2<<i", mustBeUnsigned), - Val("2<<u", 2<<1), - CErr("2<<f", opTypes), - - Val("-2<<2", big.NewInt(-2<<2)), - CErr("-2<<(-1)", constantUnderflows), - CErr("-2<<0x10000000000000000", constantOverflows), - CErr("-2<<2.5", constantTruncated), - Val("-2<<2.0", big.NewInt(-2<<2.0)), - CErr("-2<<i", mustBeUnsigned), - Val("-2<<u", -2<<1), - CErr("-2<<f", opTypes), - - Val("0x10000000000000000<<2", new(big.Int).Lsh(hugeInteger, 2)), - CErr("0x10000000000000000<<(-1)", constantUnderflows), - CErr("0x10000000000000000<<0x10000000000000000", constantOverflows), - CErr("0x10000000000000000<<2.5", constantTruncated), - Val("0x10000000000000000<<2.0", new(big.Int).Lsh(hugeInteger, 2)), - CErr("0x10000000000000000<<i", mustBeUnsigned), - CErr("0x10000000000000000<<u", constantOverflows), - CErr("0x10000000000000000<<f", opTypes), - - CErr("2.5<<2", opTypes), - CErr("2.0<<2", opTypes), - - Val("i<<2", 1<<2), - CErr("i<<(-1)", constantUnderflows), - CErr("i<<0x10000000000000000", constantOverflows), - CErr("i<<2.5", constantTruncated), - Val("i<<2.0", 1<<2), - CErr("i<<i", mustBeUnsigned), - Val("i<<u", 1<<1), - CErr("i<<f", opTypes), - Val("i<<u", 1<<1), - - Val("u<<2", uint(1<<2)), - CErr("u<<(-1)", constantUnderflows), - CErr("u<<0x10000000000000000", constantOverflows), - CErr("u<<2.5", constantTruncated), - Val("u<<2.0", uint(1<<2)), - CErr("u<<i", mustBeUnsigned), - Val("u<<u", uint(1<<1)), - CErr("u<<f", opTypes), - Val("u<<u", uint(1<<1)), - - CErr("f<<2", opTypes), - - // <, <=, >, >= - Val("1<2", 1 < 2), - Val("1<=2", 1 <= 2), - Val("2<=2", 2 <= 2), - Val("1>2", 1 > 2), - Val("1>=2", 1 >= 2), - Val("2>=2", 2 >= 2), - - Val("i<2", 1 < 2), - Val("i<=2", 1 <= 2), - Val("i+1<=2", 2 <= 2), - Val("i>2", 1 > 2), - Val("i>=2", 1 >= 2), - Val("i+1>=2", 2 >= 2), - - Val("u<2", 1 < 2), - Val("f<2", 1 < 2), - - Val("s<\"b\"", true), - Val("s<\"a\"", false), - Val("s<=\"abc\"", true), - Val("s>\"aa\"", true), - Val("s>\"ac\"", false), - Val("s>=\"abc\"", true), - - CErr("i<u", opTypes), - CErr("i<f", opTypes), - CErr("i<s", opTypes), - CErr("&i<&i", opTypes), - CErr("ai<ai", opTypes), - - // ==, != - Val("1==1", true), - Val("1!=1", false), - Val("1==2", false), - Val("1!=2", true), - - Val("1.0==1", true), - Val("1.5==1", false), - - Val("i==1", true), - Val("i!=1", false), - Val("i==2", false), - Val("i!=2", true), - - Val("u==1", true), - Val("f==1", true), - - Val("s==\"abc\"", true), - Val("s!=\"abc\"", false), - Val("s==\"abcd\"", false), - Val("s!=\"abcd\"", true), - - Val("&i==&i", true), - Val("&i==&i2", false), - - Val("fn==fn", true), - Val("fn==func(int)int{return 0}", false), - - CErr("i==u", opTypes), - CErr("i==f", opTypes), - CErr("&i==&f", opTypes), - CErr("ai==ai", opTypes), - CErr("t==t", opTypes), - CErr("fn==oneTwo", opTypes), -} - -func TestExpr(t *testing.T) { runTests(t, "exprTests", exprTests) } |