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Diffstat (limited to 'cmd/cover/testdata/main.go')
-rw-r--r-- | cmd/cover/testdata/main.go | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/cmd/cover/testdata/main.go b/cmd/cover/testdata/main.go deleted file mode 100644 index 6ed39c4f2..000000000 --- a/cmd/cover/testdata/main.go +++ /dev/null @@ -1,112 +0,0 @@ -// Copyright 2013 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. - -// Test runner for coverage test. This file is not coverage-annotated; test.go is. -// It knows the coverage counter is called "coverTest". - -package main - -import ( - "fmt" - "os" -) - -func main() { - testAll() - verify() -} - -type block struct { - count uint32 - line uint32 -} - -var counters = make(map[block]bool) - -// check records the location and expected value for a counter. -func check(line, count uint32) { - b := block{ - count, - line, - } - counters[b] = true -} - -// checkVal is a version of check that returns its extra argument, -// so it can be used in conditionals. -func checkVal(line, count uint32, val int) int { - b := block{ - count, - line, - } - counters[b] = true - return val -} - -var PASS = true - -// verify checks the expected counts against the actual. It runs after the test has completed. -func verify() { - for b := range counters { - got, index := count(b.line) - if b.count == anything && got != 0 { - got = anything - } - if got != b.count { - fmt.Fprintf(os.Stderr, "test_go:%d expected count %d got %d [counter %d]\n", b.line, b.count, got, index) - PASS = false - } - } - verifyPanic() - if !PASS { - fmt.Fprintf(os.Stderr, "FAIL\n") - os.Exit(2) - } -} - -// verifyPanic is a special check for the known counter that should be -// after the panic call in testPanic. -func verifyPanic() { - if coverTest.Count[panicIndex-1] != 1 { - // Sanity check for test before panic. - fmt.Fprintf(os.Stderr, "bad before panic") - PASS = false - } - if coverTest.Count[panicIndex] != 0 { - fmt.Fprintf(os.Stderr, "bad at panic: %d should be 0\n", coverTest.Count[panicIndex]) - PASS = false - } - if coverTest.Count[panicIndex+1] != 1 { - fmt.Fprintf(os.Stderr, "bad after panic") - PASS = false - } -} - -// count returns the count and index for the counter at the specified line. -func count(line uint32) (uint32, int) { - // Linear search is fine. Choose perfect fit over approximate. - // We can have a closing brace for a range on the same line as a condition for an "else if" - // and we don't want that brace to steal the count for the condition on the "if". - // Therefore we test for a perfect (lo==line && hi==line) match, but if we can't - // find that we take the first imperfect match. - index := -1 - indexLo := uint32(1e9) - for i := range coverTest.Count { - lo, hi := coverTest.Pos[3*i], coverTest.Pos[3*i+1] - if lo == line && line == hi { - return coverTest.Count[i], i - } - // Choose the earliest match (the counters are in unpredictable order). - if lo <= line && line <= hi && indexLo > lo { - index = i - indexLo = lo - } - } - if index == -1 { - fmt.Fprintln(os.Stderr, "cover_test: no counter for line", line) - PASS = false - return 0, 0 - } - return coverTest.Count[index], index -} |