170 lines
2.3 KiB
Bash
170 lines
2.3 KiB
Bash
# Helpers shared by the test scripts for diff algorithms (patience,
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# histogram, etc).
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test_diff_frobnitz() {
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cat >file1 <<\EOF
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#include <stdio.h>
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// Frobs foo heartily
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int frobnitz(int foo)
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{
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int i;
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for(i = 0; i < 10; i++)
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{
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printf("Your answer is: ");
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printf("%d\n", foo);
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}
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}
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int fact(int n)
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{
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if(n > 1)
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{
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return fact(n-1) * n;
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}
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return 1;
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}
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int main(int argc, char **argv)
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{
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frobnitz(fact(10));
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}
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EOF
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cat >file2 <<\EOF
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#include <stdio.h>
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int fib(int n)
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{
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if(n > 2)
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{
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return fib(n-1) + fib(n-2);
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}
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return 1;
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}
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// Frobs foo heartily
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int frobnitz(int foo)
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{
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int i;
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for(i = 0; i < 10; i++)
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{
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printf("%d\n", foo);
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}
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}
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int main(int argc, char **argv)
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{
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frobnitz(fib(10));
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}
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EOF
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file1=$(git rev-parse --short $(git hash-object file1))
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file2=$(git rev-parse --short $(git hash-object file2))
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cat >expect <<EOF
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diff --git a/file1 b/file2
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index $file1..$file2 100644
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--- a/file1
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+++ b/file2
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@@ -1,26 +1,25 @@
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#include <stdio.h>
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+int fib(int n)
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+{
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+ if(n > 2)
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+ {
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+ return fib(n-1) + fib(n-2);
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+ }
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+ return 1;
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+}
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+
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// Frobs foo heartily
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int frobnitz(int foo)
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{
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int i;
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for(i = 0; i < 10; i++)
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{
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- printf("Your answer is: ");
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printf("%d\n", foo);
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}
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}
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-int fact(int n)
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-{
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- if(n > 1)
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- {
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- return fact(n-1) * n;
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- }
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- return 1;
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-}
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-
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int main(int argc, char **argv)
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{
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- frobnitz(fact(10));
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+ frobnitz(fib(10));
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}
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EOF
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STRATEGY=$1
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test_expect_success "$STRATEGY diff" '
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test_must_fail git diff --no-index "--$STRATEGY" file1 file2 > output &&
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test_cmp expect output
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'
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test_expect_success "$STRATEGY diff output is valid" '
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mv file2 expect &&
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git apply < output &&
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test_cmp expect file2
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'
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}
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test_diff_unique() {
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cat >uniq1 <<\EOF
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1
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2
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3
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4
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5
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6
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EOF
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cat >uniq2 <<\EOF
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a
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b
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c
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d
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e
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f
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EOF
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uniq1=$(git rev-parse --short $(git hash-object uniq1))
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uniq2=$(git rev-parse --short $(git hash-object uniq2))
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cat >expect <<EOF
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diff --git a/uniq1 b/uniq2
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index $uniq1..$uniq2 100644
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--- a/uniq1
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+++ b/uniq2
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@@ -1,6 +1,6 @@
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-1
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-2
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-3
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-4
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-5
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-6
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+a
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+b
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+c
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+d
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+e
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+f
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EOF
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STRATEGY=$1
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test_expect_success 'completely different files' '
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test_must_fail git diff --no-index "--$STRATEGY" uniq1 uniq2 > output &&
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test_cmp expect output
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'
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}
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